./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 413fc6a41e04b7b618ff9ab274418b4a8dcf040d ..................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:17:58,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:17:58,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:17:58,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:17:58,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:17:58,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:17:58,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:17:58,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:17:58,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:17:58,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:17:58,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:17:58,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:17:58,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:17:58,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:17:58,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:17:58,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:17:58,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:17:58,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:17:58,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:17:58,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:17:58,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:17:58,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:17:58,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:17:58,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:17:58,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:17:58,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:17:58,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:17:58,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:17:58,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:17:58,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:17:58,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:17:58,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:17:58,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:17:58,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:17:58,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:17:58,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:17:58,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:17:58,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:17:58,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:17:58,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:17:58,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:17:58,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:17:58,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:17:58,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:17:58,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:17:58,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:17:58,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:17:58,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:17:58,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:17:58,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:17:58,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:17:58,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:17:58,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:17:58,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:17:58,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:17:58,618 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:17:58,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:17:58,619 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:17:58,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:17:58,619 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:17:58,619 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:17:58,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:17:58,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:17:58,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:17:58,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:17:58,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:17:58,621 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:17:58,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:17:58,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:17:58,621 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_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 413fc6a41e04b7b618ff9ab274418b4a8dcf040d [2021-10-13 03:17:58,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:17:58,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:17:58,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:17:58,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:17:58,948 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:17:58,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2021-10-13 03:17:59,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/data/7d973a460/47510925d631436a97ce36c8ade57272/FLAG10c39f098 [2021-10-13 03:17:59,504 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:17:59,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8b.c [2021-10-13 03:17:59,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/data/7d973a460/47510925d631436a97ce36c8ade57272/FLAG10c39f098 [2021-10-13 03:17:59,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/data/7d973a460/47510925d631436a97ce36c8ade57272 [2021-10-13 03:17:59,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:17:59,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:17:59,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:17:59,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:17:59,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:17:59,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:17:59" (1/1) ... [2021-10-13 03:17:59,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d2223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:17:59, skipping insertion in model container [2021-10-13 03:17:59,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:17:59" (1/1) ... [2021-10-13 03:17:59,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:17:59,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:18:00,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,044 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:18:00,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,077 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:18:00,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00 WrapperNode [2021-10-13 03:18:00,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:00,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:18:00,079 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:18:00,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:18:00,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:18:00,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:18:00,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:18:00,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:18:00,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:18:00,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:18:00,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:18:00,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:18:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:18:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:18:00,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:18:00,368 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 03:18:00,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00 BoogieIcfgContainer [2021-10-13 03:18:00,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:18:00,374 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:18:00,375 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:18:00,407 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:18:00,408 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:18:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:00,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-10-13 03:18:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-10-13 03:18:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:18:00,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:00,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-10-13 03:18:00,934 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-10-13 03:18:00,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:18:00,935 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:00,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2021-10-13 03:18:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2021-10-13 03:18:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:18:01,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-10-13 03:18:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-10-13 03:18:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:01,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-10-13 03:18:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-10-13 03:18:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:18:01,904 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-10-13 03:18:02,425 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-10-13 03:18:02,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:18:02,426 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-10-13 03:18:02,433 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-13 03:18:02,464 INFO L565 CodeCheckObserver]: Invariant with dag size 9 [2021-10-13 03:18:02,473 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-13 03:18:02,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:18:02 ImpRootNode [2021-10-13 03:18:02,475 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:18:02,478 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:18:02,478 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:18:02,478 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:18:02,480 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:00" (3/4) ... [2021-10-13 03:18:02,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:18:02,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 03:18:02,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 03:18:02,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:18:02,557 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:18:02,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:18:02,563 INFO L168 Benchmark]: Toolchain (without parser) took 2686.86 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 71.4 MB in the beginning and 79.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,564 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 109.1 MB. Free memory is still 87.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:02,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.14 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 85.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 84.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,566 INFO L168 Benchmark]: Boogie Preprocessor took 18.84 ms. Allocated memory is still 109.1 MB. Free memory was 84.1 MB in the beginning and 83.6 MB in the end (delta: 455.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:02,567 INFO L168 Benchmark]: RCFGBuilder took 221.97 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 75.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,568 INFO L168 Benchmark]: CodeCheck took 2101.02 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 75.0 MB in the beginning and 81.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,569 INFO L168 Benchmark]: Witness Printer took 83.57 ms. Allocated memory is still 140.5 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:02,576 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, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1995.4ms, OverallIterations: 6, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 236 SDslu, 0 SDs, 0 SdLazy, 1148 SolverSat, 272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 739.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 280 SyntacticMatches, 7 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 1177.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 21.8ms SsaConstructionTime, 57.1ms SatisfiabilityAnalysisTime, 320.7ms InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 2 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: M <= 2147483647 && 0 <= x + 2147483648 - 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 1.34 ms. Allocated memory is still 109.1 MB. Free memory is still 87.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 201.14 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 85.5 MB in the end (delta: -14.3 MB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 109.1 MB. Free memory was 85.5 MB in the beginning and 84.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.84 ms. Allocated memory is still 109.1 MB. Free memory was 84.1 MB in the beginning and 83.6 MB in the end (delta: 455.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 221.97 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 75.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * CodeCheck took 2101.02 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 75.0 MB in the beginning and 81.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Witness Printer took 83.57 ms. Allocated memory is still 140.5 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 03:18:02,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee3608d4-fa9b-4bae-91ae-c59f18721c6a/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...