./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.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_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/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_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/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_84a74627-1984-45a8-ab53-e2aef584b2a4/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 df3ddc93bc6339292c9158119f1fdb949bb8842d .............................................................................................................................................................................................................................................................. 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 03:34:24,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:34:24,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:34:24,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:34:24,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:34:24,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:34:24,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:34:24,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:34:24,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:34:24,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:34:24,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:34:24,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:34:24,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:34:24,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:34:24,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:34:24,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:34:24,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:34:24,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:34:24,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:34:24,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:34:24,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:34:24,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:34:24,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:34:24,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:34:24,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:34:24,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:34:24,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:34:24,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:34:24,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:34:24,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:34:24,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:34:24,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:34:24,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:34:24,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:34:24,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:34:24,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:34:24,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:34:24,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:34:24,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:34:24,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:34:24,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:34:24,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 03:34:24,666 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:34:24,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:34:24,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 03:34:24,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 03:34:24,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:34:24,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:34:24,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:34:24,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:34:24,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:34:24,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:34:24,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 03:34:24,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:34:24,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 03:34:24,670 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 03:34:24,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 03:34:24,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:34:24,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 03:34:24,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:34:24,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:34:24,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:34:24,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:34:24,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:34:24,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:34:24,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 03:34:24,673 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:34:24,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:34:24,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 03:34:24,673 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_84a74627-1984-45a8-ab53-e2aef584b2a4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3ddc93bc6339292c9158119f1fdb949bb8842d [2021-10-13 03:34:24,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:34:24,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:34:24,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:34:24,935 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:34:24,936 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:34:24,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2021-10-13 03:34:25,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/data/89ef8e3d2/e265f96824784a8b974ad4538cb54c3f/FLAGd312f0a5a [2021-10-13 03:34:25,436 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:34:25,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2021-10-13 03:34:25,442 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/data/89ef8e3d2/e265f96824784a8b974ad4538cb54c3f/FLAGd312f0a5a [2021-10-13 03:34:25,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/data/89ef8e3d2/e265f96824784a8b974ad4538cb54c3f [2021-10-13 03:34:25,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:34:25,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:34:25,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:34:25,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:34:25,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:34:25,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:34:25" (1/1) ... [2021-10-13 03:34:25,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f606f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:25, skipping insertion in model container [2021-10-13 03:34:25,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:34:25" (1/1) ... [2021-10-13 03:34:25,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:34:25,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:34:25,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:34:25,983 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:34:26,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:34:26,027 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:34:26,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26 WrapperNode [2021-10-13 03:34:26,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:34:26,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:34:26,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:34:26,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:34:26,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:34:26,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:34:26,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:34:26,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:34:26,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:34:26,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:34:26,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:34:26,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:34:26,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:34:26,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:34:26,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:34:26,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:34:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:34:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:34:26,380 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:34:26,381 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 03:34:26,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:34:26 BoogieIcfgContainer [2021-10-13 03:34:26,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:34:26,385 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:34:26,386 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:34:26,396 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:34:26,397 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:34:26" (1/1) ... [2021-10-13 03:34:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:34:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-13 03:34:26,453 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-13 03:34:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:34:26,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:26,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:26,588 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 03:34:26,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:26,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-10-13 03:34:26,609 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-10-13 03:34:26,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:34:26,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:26,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:26,643 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 03:34:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2021-10-13 03:34:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2021-10-13 03:34:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:34:26,707 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:26,707 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:34:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:26,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2021-10-13 03:34:26,877 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-13 03:34:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:34:26,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:26,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:26,918 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 03:34:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-10-13 03:34:26,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-10-13 03:34:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:34:26,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:26,977 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:27,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:34:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-10-13 03:34:27,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-10-13 03:34:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:34:27,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:34:27,233 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:34:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:34:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:34:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:34:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-13 03:34:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-13 03:34:27,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 03:34:27,336 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2021-10-13 03:34:27,343 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-13 03:34:27,375 INFO L565 CodeCheckObserver]: Invariant with dag size 8 [2021-10-13 03:34:27,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:34:27 ImpRootNode [2021-10-13 03:34:27,385 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:34:27,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:34:27,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:34:27,387 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:34:27,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:34:26" (3/4) ... [2021-10-13 03:34:27,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 03:34:27,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 03:34:27,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 03:34:27,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 03:34:27,456 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:34:27,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:34:27,458 INFO L168 Benchmark]: Toolchain (without parser) took 1623.78 ms. Allocated memory is still 90.2 MB. Free memory was 54.7 MB in the beginning and 58.2 MB in the end (delta: -3.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:27,458 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:27,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.07 ms. Allocated memory is still 90.2 MB. Free memory was 54.5 MB in the beginning and 68.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:27,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.35 ms. Allocated memory is still 90.2 MB. Free memory was 68.8 MB in the beginning and 67.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:27,462 INFO L168 Benchmark]: Boogie Preprocessor took 16.46 ms. Allocated memory is still 90.2 MB. Free memory was 67.6 MB in the beginning and 66.7 MB in the end (delta: 899.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:27,462 INFO L168 Benchmark]: RCFGBuilder took 300.46 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 58.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:27,463 INFO L168 Benchmark]: CodeCheck took 1000.37 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 60.7 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:34:27,463 INFO L168 Benchmark]: Witness Printer took 70.45 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 58.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:34:27,467 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: 908.6ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 224 SDtfs, 322 SDslu, 0 SDs, 0 SdLazy, 1200 SolverSat, 310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 459.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 245 SyntacticMatches, 7 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 371.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 7.1ms SsaConstructionTime, 39.7ms SatisfiabilityAnalysisTime, 221.5ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 79 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 4/5 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: 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x <= 2147483647 && 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 90.2 MB. Free memory is still 71.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 193.07 ms. Allocated memory is still 90.2 MB. Free memory was 54.5 MB in the beginning and 68.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.35 ms. Allocated memory is still 90.2 MB. Free memory was 68.8 MB in the beginning and 67.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.46 ms. Allocated memory is still 90.2 MB. Free memory was 67.6 MB in the beginning and 66.7 MB in the end (delta: 899.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 300.46 ms. Allocated memory is still 90.2 MB. Free memory was 66.4 MB in the beginning and 58.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 1000.37 ms. Allocated memory is still 90.2 MB. Free memory was 58.0 MB in the beginning and 60.7 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 70.45 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 58.2 MB in the end (delta: 2.5 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 03:34:27,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84a74627-1984-45a8-ab53-e2aef584b2a4/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...