./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e --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 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:51:18,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:51:18,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:51:18,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:51:18,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:51:18,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:51:18,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:51:18,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:51:18,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:51:18,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:51:18,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:51:18,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:51:18,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:51:18,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:51:18,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:51:18,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:51:18,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:51:18,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:51:18,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:51:18,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:51:18,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:51:18,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:51:18,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:51:18,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:51:18,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:51:18,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:51:18,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:51:18,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:51:18,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:51:18,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:51:18,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:51:18,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:51:18,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:51:18,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:51:18,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:51:18,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:51:18,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:51:18,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:51:18,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:51:18,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:51:18,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:51:18,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:51:18,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:51:18,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:51:18,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:51:18,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:51:18,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:51:18,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:51:18,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:51:18,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:51:18,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:51:18,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:51:18,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:51:18,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:51:18,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:51:18,449 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:51:18,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:51:18,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:51:18,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:51:18,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:51:18,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:51:18,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:51:18,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:51:18,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:51:18,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:51:18,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:51:18,452 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:51:18,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:51:18,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:51:18,452 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_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 626f3da6fd18561761a79d5d72b6e4952ec90284e3abc32807b89f761ebfb898 [2021-11-13 22:51:18,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:51:18,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:51:18,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:51:18,779 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:51:18,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:51:18,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2021-11-13 22:51:18,841 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/data/5236e70b6/5a4e8e37285a4ac5a4e36c9838c88a8e/FLAGe1a8d8e96 [2021-11-13 22:51:19,370 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:51:19,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2021-11-13 22:51:19,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/data/5236e70b6/5a4e8e37285a4ac5a4e36c9838c88a8e/FLAGe1a8d8e96 [2021-11-13 22:51:19,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/data/5236e70b6/5a4e8e37285a4ac5a4e36c9838c88a8e [2021-11-13 22:51:19,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:51:19,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:51:19,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:51:19,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:51:19,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:51:19,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:19" (1/1) ... [2021-11-13 22:51:19,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d692ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:19, skipping insertion in model container [2021-11-13 22:51:19,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:19" (1/1) ... [2021-11-13 22:51:19,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:51:19,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:51:19,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:51:19,956 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:51:19,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:51:20,003 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:51:20,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20 WrapperNode [2021-11-13 22:51:20,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:51:20,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:51:20,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:51:20,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:51:20,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:51:20,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:51:20,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:51:20,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:51:20,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:51:20,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:51:20,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:51:20,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:51:20,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:51:20,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:51:20,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:51:20,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:51:20,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:51:20,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:51:20,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:51:20,368 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 22:51:20,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:20 BoogieIcfgContainer [2021-11-13 22:51:20,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:51:20,372 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:51:20,373 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:51:20,383 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:51:20,383 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:20" (1/1) ... [2021-11-13 22:51:20,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:51:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-13 22:51:20,482 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-13 22:51:20,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:51:20,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:20,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:20,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-13 22:51:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-13 22:51:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:51:20,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:20,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-13 22:51:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-13 22:51:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:51:20,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:20,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-13 22:51:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-13 22:51:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 22:51:21,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2021-11-13 22:51:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2021-11-13 22:51:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:51:21,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-13 22:51:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-13 22:51:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:51:21,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2021-11-13 22:51:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2021-11-13 22:51:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:51:21,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 22:51:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2021-11-13 22:51:21,859 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2021-11-13 22:51:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 22:51:21,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:51:21,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:51:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:51:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:51:21,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:51:21,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-11-13 22:51:21,942 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-13 22:51:21,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 22:51:21,942 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2021-11-13 22:51:21,955 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-11-13 22:51:21,984 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-13 22:51:21,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:51:21 ImpRootNode [2021-11-13 22:51:21,996 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 22:51:21,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 22:51:21,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 22:51:21,997 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 22:51:21,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:20" (3/4) ... [2021-11-13 22:51:22,000 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 22:51:22,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 22:51:22,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 22:51:22,013 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 22:51:22,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 22:51:22,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 22:51:22,057 INFO L158 Benchmark]: Toolchain (without parser) took 2316.20ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 89.4MB in the beginning and 86.7MB in the end (delta: 2.7MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2021-11-13 22:51:22,057 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:51:22,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.48ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 90.4MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:51:22,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.65ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:51:22,059 INFO L158 Benchmark]: Boogie Preprocessor took 25.18ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:51:22,059 INFO L158 Benchmark]: RCFGBuilder took 309.00ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 79.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 22:51:22,060 INFO L158 Benchmark]: CodeCheck took 1623.89ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 79.3MB in the beginning and 88.8MB in the end (delta: -9.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-13 22:51:22,061 INFO L158 Benchmark]: Witness Printer took 59.25ms. Allocated memory is still 138.4MB. Free memory was 88.8MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:51:22,064 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: 1.5s, OverallIterations: 9, 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, 162 SdHoareTripleChecker+Valid, 882.87ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 537.09ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 404 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 46 mSDtfsCounter, 404 mSolverCounterSat, 23.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 435 SyntacticMatches, 21 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 566 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.48ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 90.4MB in the end (delta: -1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.65ms. Allocated memory is still 115.3MB. Free memory was 90.4MB in the beginning and 89.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.18ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 807.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.00ms. Allocated memory is still 115.3MB. Free memory was 88.3MB in the beginning and 79.3MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1623.89ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 79.3MB in the beginning and 88.8MB in the end (delta: -9.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 59.25ms. Allocated memory is still 138.4MB. Free memory was 88.8MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 22:51:22,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a376d2f9-8ee7-45b5-8dcf-a54ea0fb0360/bin/ukojak-2xVlg8857e/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