./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ --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 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:43:11,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:43:11,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:43:11,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:43:11,475 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:43:11,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:43:11,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:43:11,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:43:11,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:43:11,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:43:11,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:43:11,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:43:11,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:43:11,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:43:11,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:43:11,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:43:11,500 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:43:11,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:43:11,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:43:11,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:43:11,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:43:11,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:43:11,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:43:11,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:43:11,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:43:11,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:43:11,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:43:11,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:43:11,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:43:11,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:43:11,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:43:11,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:43:11,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:43:11,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:43:11,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:43:11,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:43:11,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:43:11,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:43:11,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:43:11,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:43:11,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:43:11,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:43:11,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:43:11,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:43:11,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:43:11,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:43:11,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:43:11,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:43:11,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:43:11,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:43:11,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:43:11,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:43:11,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:43:11,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:43:11,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:43:11,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:43:11,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:43:11,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:43:11,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:43:11,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:43:11,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:43:11,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:43:11,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:43:11,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:43:11,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:43:11,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:43:11,606 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:43:11,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:43:11,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:43:11,607 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_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 024b54dcc71a4cff37fb88a3019598a20adbf40036f66c2a7f758cfecaaffadc [2021-11-23 00:43:11,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:43:11,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:43:11,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:43:11,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:43:11,902 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:43:11,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-11-23 00:43:12,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/data/9100982f4/a43ecd2861e041c09cfcd0bf1362e5c5/FLAGf14fde465 [2021-11-23 00:43:12,436 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:43:12,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2021-11-23 00:43:12,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/data/9100982f4/a43ecd2861e041c09cfcd0bf1362e5c5/FLAGf14fde465 [2021-11-23 00:43:12,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/data/9100982f4/a43ecd2861e041c09cfcd0bf1362e5c5 [2021-11-23 00:43:12,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:43:12,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:43:12,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:43:12,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:43:12,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:43:12,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e09fc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12, skipping insertion in model container [2021-11-23 00:43:12,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:43:12,490 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:43:12,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:43:12,657 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:43:12,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:43:12,677 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:43:12,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12 WrapperNode [2021-11-23 00:43:12,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:43:12,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:43:12,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:43:12,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:43:12,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,709 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2021-11-23 00:43:12,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:43:12,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:43:12,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:43:12,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:43:12,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:43:12,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:43:12,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:43:12,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:43:12,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:12" (1/1) ... [2021-11-23 00:43:12,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:43:12,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:43:12,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:43:12,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:43:12,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:43:12,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:43:12,896 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:43:12,898 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:43:13,053 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:43:13,065 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:43:13,069 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:43:13,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:13 BoogieIcfgContainer [2021-11-23 00:43:13,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:43:13,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:43:13,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:43:13,082 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:43:13,083 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:13" (1/1) ... [2021-11-23 00:43:13,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:43:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-23 00:43:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-23 00:43:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:43:13,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-23 00:43:13,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-23 00:43:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:43:13,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2021-11-23 00:43:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-23 00:43:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:43:13,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2021-11-23 00:43:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-23 00:43:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:43:13,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2021-11-23 00:43:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-23 00:43:13,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:43:13,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:13,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2021-11-23 00:43:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-11-23 00:43:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:43:14,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2021-11-23 00:43:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-11-23 00:43:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:43:14,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2021-11-23 00:43:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2021-11-23 00:43:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:43:15,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2021-11-23 00:43:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2021-11-23 00:43:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:43:15,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:15,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:15,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2021-11-23 00:43:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2021-11-23 00:43:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:43:16,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:16,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2021-11-23 00:43:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2021-11-23 00:43:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:43:17,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2021-11-23 00:43:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2021-11-23 00:43:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:43:17,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2021-11-23 00:43:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2021-11-23 00:43:17,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:43:17,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2021-11-23 00:43:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2021-11-23 00:43:18,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:43:18,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:18,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:18,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2021-11-23 00:43:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2021-11-23 00:43:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:43:19,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:19,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2021-11-23 00:43:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2021-11-23 00:43:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:19,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:19,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 72 states and 122 transitions. [2021-11-23 00:43:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2021-11-23 00:43:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:20,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2021-11-23 00:43:20,597 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2021-11-23 00:43:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:43:20,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 75 states and 128 transitions. [2021-11-23 00:43:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 128 transitions. [2021-11-23 00:43:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:43:21,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2021-11-23 00:43:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2021-11-23 00:43:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:43:21,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,798 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:43:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 82 states and 137 transitions. [2021-11-23 00:43:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2021-11-23 00:43:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:43:22,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2021-11-23 00:43:22,542 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2021-11-23 00:43:22,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:43:22,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 104 transitions. [2021-11-23 00:43:22,886 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2021-11-23 00:43:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:43:22,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:43:23,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 00:43:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 00:43:23,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:43:23,227 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2021-11-23 00:43:23,235 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2021-11-23 00:43:23,359 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2021-11-23 00:43:23,372 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:43:23,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:43:23 ImpRootNode [2021-11-23 00:43:23,373 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:43:23,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:43:23,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:43:23,374 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:43:23,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:13" (3/4) ... [2021-11-23 00:43:23,378 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:43:23,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:43:23,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:43:23,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:43:23,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:43:23,450 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:43:23,451 INFO L158 Benchmark]: Toolchain (without parser) took 10992.50ms. Allocated memory was 104.9MB in the beginning and 161.5MB in the end (delta: 56.6MB). Free memory was 71.7MB in the beginning and 106.1MB in the end (delta: -34.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,453 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:43:23,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.19ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 81.1MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.08ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:43:23,454 INFO L158 Benchmark]: Boogie Preprocessor took 32.58ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,456 INFO L158 Benchmark]: RCFGBuilder took 326.83ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 69.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,457 INFO L158 Benchmark]: CodeCheck took 10301.57ms. Allocated memory was 104.9MB in the beginning and 161.5MB in the end (delta: 56.6MB). Free memory was 69.5MB in the beginning and 109.1MB in the end (delta: -39.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,458 INFO L158 Benchmark]: Witness Printer took 76.87ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 106.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:43:23,460 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 24, 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, 2333 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2013 mSDsluCounter, 1132 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 725 mSDsCounter, 927 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5856 IncrementalHoareTripleChecker+Invalid, 6783 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 927 mSolverCounterUnsat, 407 mSDtfsCounter, 5856 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2473 GetRequests, 2157 SyntacticMatches, 94 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23040 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 247 NumberOfCodeBlocks, 247 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 814 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 21 PerfectInterpolantSequences, 28/33 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 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 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((x <= 2147483647 && x <= 2147483647 + y) && 0 <= x + 2147483648) && 0 <= y + 2147483648) && y <= 2147483647) && y <= 2147483647 + x - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.19ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 81.1MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.08ms. Allocated memory is still 104.9MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.58ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.83ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 69.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10301.57ms. Allocated memory was 104.9MB in the beginning and 161.5MB in the end (delta: 56.6MB). Free memory was 69.5MB in the beginning and 109.1MB in the end (delta: -39.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Witness Printer took 76.87ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 106.1MB 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! [2021-11-23 00:43:23,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bb93b5-61eb-4800-9fe8-1d98fa7712a0/bin/ukojak-LBtLqBUTdQ/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