./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.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_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/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_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/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_7f387b63-ade8-4aa1-a09e-45222c3b993a/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 a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:01:27,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:01:27,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:01:27,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:01:27,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:01:27,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:01:27,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:01:27,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:01:27,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:01:27,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:01:27,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:01:27,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:01:27,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:01:27,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:01:27,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:01:27,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:01:27,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:01:27,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:01:27,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:01:27,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:01:27,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:01:27,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:01:27,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:01:27,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:01:27,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:01:27,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:01:27,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:01:27,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:01:27,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:01:27,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:01:27,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:01:27,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:01:27,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:01:27,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:01:27,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:01:27,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:01:27,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:01:27,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:01:27,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:01:27,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:01:27,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:01:27,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 07:01:27,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:01:27,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:01:27,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:01:27,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:01:27,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:01:27,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:01:27,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:01:27,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:01:27,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:01:27,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:01:27,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:01:27,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:01:27,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:01:27,628 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:01:27,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:01:27,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:01:27,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:01:27,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:01:27,629 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:01:27,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:01:27,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:27,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:01:27,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:01:27,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:01:27,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:01:27,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:01:27,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:01:27,632 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_7f387b63-ade8-4aa1-a09e-45222c3b993a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a723a67708085ac2edc65dca820ea0ff5f017c1387423fea83ca87f76f9f53c3 [2021-11-25 07:01:27,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:01:27,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:01:27,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:01:27,945 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:01:27,946 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:01:27,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2021-11-25 07:01:28,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/data/5cd5bdf81/71c537d2b52e41e0907e952c34f9f19b/FLAG6a143756c [2021-11-25 07:01:28,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:01:28,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2021-11-25 07:01:28,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/data/5cd5bdf81/71c537d2b52e41e0907e952c34f9f19b/FLAG6a143756c [2021-11-25 07:01:28,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/data/5cd5bdf81/71c537d2b52e41e0907e952c34f9f19b [2021-11-25 07:01:28,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:01:28,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:01:28,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:28,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:01:28,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:01:28,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:28" (1/1) ... [2021-11-25 07:01:28,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6857c2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:28, skipping insertion in model container [2021-11-25 07:01:28,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:28" (1/1) ... [2021-11-25 07:01:28,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:01:28,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:01:29,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:29,104 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:01:29,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:29,134 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:01:29,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29 WrapperNode [2021-11-25 07:01:29,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:29,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:29,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:01:29,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:01:29,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,174 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-25 07:01:29,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:29,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:01:29,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:01:29,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:01:29,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:01:29,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:01:29,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:01:29,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:01:29,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:29,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:01:29,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:01:29,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:01:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:01:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:01:29,332 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:01:29,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:01:29,409 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:01:29,429 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:01:29,429 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:01:29,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:29 BoogieIcfgContainer [2021-11-25 07:01:29,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:01:29,433 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:01:29,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:01:29,445 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:01:29,445 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:29" (1/1) ... [2021-11-25 07:01:29,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:01:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-25 07:01:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-25 07:01:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:01:29,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:29,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,662 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 07:01:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-25 07:01:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-25 07:01:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:01:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:29,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:29,763 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 07:01:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-25 07:01:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-25 07:01:30,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:01:30,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,118 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 07:01:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-25 07:01:30,230 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-25 07:01:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:01:30,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,272 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 07:01:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-25 07:01:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-25 07:01:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:01:30,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:01:30,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2021-11-25 07:01:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2021-11-25 07:01:30,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:01:30,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:01:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:30,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-25 07:01:30,911 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-25 07:01:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:01:30,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:30,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:01:31,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-25 07:01:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 07:01:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:01:31,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:31,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:01:31,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-25 07:01:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-25 07:01:31,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:01:31,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:31,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:31,542 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 07:01:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-25 07:01:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-25 07:01:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 07:01:31,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:01:31,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:01:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:01:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:01:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:01:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-25 07:01:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-25 07:01:31,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 07:01:31,924 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2021-11-25 07:01:31,932 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-25 07:01:31,966 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2021-11-25 07:01:31,977 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-25 07:01:31,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:01:31 ImpRootNode [2021-11-25 07:01:31,978 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:01:31,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:01:31,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:01:31,979 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:01:31,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:29" (3/4) ... [2021-11-25 07:01:31,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 07:01:31,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-25 07:01:31,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 07:01:31,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 07:01:32,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:01:32,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:01:32,029 INFO L158 Benchmark]: Toolchain (without parser) took 3146.59ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 57.5MB in the beginning and 91.5MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:32,029 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:32,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.88ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 57.3MB in the beginning and 97.4MB in the end (delta: -40.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-25 07:01:32,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.34ms. Allocated memory is still 119.5MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:32,032 INFO L158 Benchmark]: Boogie Preprocessor took 22.06ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 95.3MB in the end (delta: 810.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:32,032 INFO L158 Benchmark]: RCFGBuilder took 231.64ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 86.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:01:32,033 INFO L158 Benchmark]: CodeCheck took 2544.91ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 94.4MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:32,033 INFO L158 Benchmark]: Witness Printer took 49.64ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 91.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:32,037 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: 2.5s, 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, 211 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 187 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 826 IncrementalHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 0 mSDtfsCounter, 826 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 624 GetRequests, 525 SyntacticMatches, 25 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2225 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 10/14 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: 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: ((1 <= i && i <= 2147483647) && j <= 2147483647) && N <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 92.3MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.88ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 57.3MB in the beginning and 97.4MB in the end (delta: -40.1MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.34ms. Allocated memory is still 119.5MB. Free memory was 97.4MB in the beginning and 96.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.06ms. Allocated memory is still 119.5MB. Free memory was 96.1MB in the beginning and 95.3MB in the end (delta: 810.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 231.64ms. Allocated memory is still 119.5MB. Free memory was 95.3MB in the beginning and 86.2MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2544.91ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 94.4MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.64ms. Allocated memory is still 119.5MB. Free memory was 94.4MB in the beginning and 91.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 07:01:32,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f387b63-ade8-4aa1-a09e-45222c3b993a/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE