./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL --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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:31:32,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:31:32,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:31:33,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:31:33,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:31:33,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:31:33,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:31:33,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:31:33,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:31:33,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:31:33,016 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:31:33,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:31:33,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:31:33,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:31:33,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:31:33,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:31:33,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:31:33,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:31:33,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:31:33,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:31:33,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:31:33,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:31:33,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:31:33,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:31:33,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:31:33,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:31:33,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:31:33,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:31:33,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:31:33,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:31:33,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:31:33,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:31:33,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:31:33,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:31:33,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:31:33,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:31:33,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:31:33,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:31:33,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:31:33,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:31:33,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:31:33,059 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:31:33,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:31:33,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:31:33,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:31:33,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:31:33,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:31:33,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:31:33,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:31:33,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:31:33,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:31:33,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:31:33,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:31:33,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:31:33,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:31:33,093 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:31:33,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:31:33,094 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:31:33,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:31:33,094 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:31:33,094 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:31:33,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:31:33,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:31:33,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:31:33,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:31:33,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:31:33,096 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:31:33,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:31:33,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:31:33,097 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_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2021-11-25 07:31:33,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:31:33,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:31:33,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:31:33,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:31:33,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:31:33,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2021-11-25 07:31:33,492 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/data/71682c45e/c3d04c323f9c450cb5b3bb3830c8f481/FLAGbb5bddb3f [2021-11-25 07:31:33,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:31:33,976 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2021-11-25 07:31:33,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/data/71682c45e/c3d04c323f9c450cb5b3bb3830c8f481/FLAGbb5bddb3f [2021-11-25 07:31:34,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/data/71682c45e/c3d04c323f9c450cb5b3bb3830c8f481 [2021-11-25 07:31:34,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:31:34,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:31:34,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:31:34,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:31:34,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:31:34,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48eef93f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34, skipping insertion in model container [2021-11-25 07:31:34,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:31:34,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:31:34,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:31:34,516 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:31:34,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:31:34,542 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:31:34,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34 WrapperNode [2021-11-25 07:31:34,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:31:34,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:31:34,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:31:34,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:31:34,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,596 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-25 07:31:34,598 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:31:34,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:31:34,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:31:34,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:31:34,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:31:34,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:31:34,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:31:34,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:31:34,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:31:34" (1/1) ... [2021-11-25 07:31:34,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:31:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:31:34,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:31:34,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:31:34,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:31:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:31:34,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:31:34,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:31:34,982 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:31:35,002 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:31:35,002 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:31:35,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:31:35 BoogieIcfgContainer [2021-11-25 07:31:35,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:31:35,007 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:31:35,007 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:31:35,018 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:31:35,019 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:31:35" (1/1) ... [2021-11-25 07:31:35,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:31:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-25 07:31:35,119 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-25 07:31:35,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:35,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:35,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-25 07:31:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-25 07:31:35,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:31:35,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:35,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2021-11-25 07:31:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2021-11-25 07:31:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:31:35,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:35,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-25 07:31:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-25 07:31:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:31:35,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:35,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-25 07:31:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-25 07:31:35,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:31:35,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:35,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2021-11-25 07:31:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2021-11-25 07:31:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:31:36,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:36,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2021-11-25 07:31:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2021-11-25 07:31:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:31:36,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:36,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:31:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2021-11-25 07:31:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2021-11-25 07:31:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:31:36,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:31:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2021-11-25 07:31:36,971 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2021-11-25 07:31:36,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:31:36,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:36,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:31:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2021-11-25 07:31:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2021-11-25 07:31:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:31:37,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:31:37,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:31:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:31:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:31:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:31:37,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-25 07:31:37,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-25 07:31:37,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:31:37,361 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2021-11-25 07:31:37,374 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-25 07:31:37,419 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2021-11-25 07:31:37,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:31:37 ImpRootNode [2021-11-25 07:31:37,432 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:31:37,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:31:37,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:31:37,433 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:31:37,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:31:35" (3/4) ... [2021-11-25 07:31:37,437 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:31:37,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 07:31:37,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 07:31:37,453 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 07:31:37,510 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:31:37,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:31:37,511 INFO L158 Benchmark]: Toolchain (without parser) took 3165.76ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 59.5MB in the beginning and 67.1MB in the end (delta: -7.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,512 INFO L158 Benchmark]: CDTParser took 2.24ms. Allocated memory is still 98.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:31:37,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.16ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 50.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,513 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.84ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 104.9MB in the end (delta: -54.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,513 INFO L158 Benchmark]: Boogie Preprocessor took 39.30ms. Allocated memory is still 125.8MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:31:37,520 INFO L158 Benchmark]: RCFGBuilder took 361.86ms. Allocated memory is still 125.8MB. Free memory was 103.8MB in the beginning and 94.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,520 INFO L158 Benchmark]: CodeCheck took 2425.28ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 69.1MB in the end (delta: 25.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,528 INFO L158 Benchmark]: Witness Printer took 77.69ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:31:37,530 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: 2.3s, OverallIterations: 11, 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, 201 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 826 IncrementalHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 40 mSDtfsCounter, 826 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 708 GetRequests, 614 SyntacticMatches, 36 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1319 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 12/25 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 - 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 18]: Loop Invariant Derived loop invariant: (i <= 2147483647 && j <= 2147483647) && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.24ms. Allocated memory is still 98.6MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.16ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 50.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.84ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 104.9MB in the end (delta: -54.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.30ms. Allocated memory is still 125.8MB. Free memory was 104.9MB in the beginning and 103.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 361.86ms. Allocated memory is still 125.8MB. Free memory was 103.8MB in the beginning and 94.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2425.28ms. Allocated memory is still 125.8MB. Free memory was 94.7MB in the beginning and 69.1MB in the end (delta: 25.6MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 77.69ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 67.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:31:37,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b00c7c-b9a9-44f9-a9e9-2a5dd89de809/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE