./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/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_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg --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 bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:56:46,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:56:46,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:56:46,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:56:46,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:56:46,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:56:46,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:56:46,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:56:46,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:56:46,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:56:46,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:56:46,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:56:46,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:56:46,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:56:46,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:56:46,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:56:46,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:56:47,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:56:47,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:56:47,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:56:47,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:56:47,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:56:47,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:56:47,020 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:56:47,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:56:47,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:56:47,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:56:47,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:56:47,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:56:47,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:56:47,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:56:47,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:56:47,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:56:47,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:56:47,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:56:47,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:56:47,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:56:47,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:56:47,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:56:47,051 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:56:47,052 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:56:47,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:56:47,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:56:47,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:56:47,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:56:47,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:56:47,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:56:47,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:56:47,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:56:47,092 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:56:47,092 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:56:47,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:56:47,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:56:47,093 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:56:47,093 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:56:47,094 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:56:47,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:56:47,094 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:56:47,094 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:56:47,095 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:56:47,095 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:56:47,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:56:47,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:56:47,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:56:47,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:56:47,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:56:47,096 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:56:47,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:56:47,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:56:47,097 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_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb3f76d55016616b178303c0eddf93fcbee588d4887c9917c414ed1a56e984ba [2022-11-21 22:56:47,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:56:47,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:56:47,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:56:47,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:56:47,519 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:56:47,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2022-11-21 22:56:50,579 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:56:50,812 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:56:50,813 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a.c [2022-11-21 22:56:50,819 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/data/96e6f676f/b1d505b7ba814b67a468047260b686aa/FLAG5722f06be [2022-11-21 22:56:50,834 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/data/96e6f676f/b1d505b7ba814b67a468047260b686aa [2022-11-21 22:56:50,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:56:50,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:56:50,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:56:50,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:56:50,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:56:50,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:56:50" (1/1) ... [2022-11-21 22:56:50,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f19d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:50, skipping insertion in model container [2022-11-21 22:56:50,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:56:50" (1/1) ... [2022-11-21 22:56:50,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:56:50,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:56:50,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:56:51,002 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:56:51,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:56:51,022 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:56:51,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51 WrapperNode [2022-11-21 22:56:51,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:56:51,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:56:51,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:56:51,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:56:51,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,055 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-21 22:56:51,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:56:51,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:56:51,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:56:51,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:56:51,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:56:51,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:56:51,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:56:51,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:56:51,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:56:51,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:56:51,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:56:51,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:56:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:56:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:56:51,249 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:56:51,251 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:56:51,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:56:51,393 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:56:51,394 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:56:51,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:56:51 BoogieIcfgContainer [2022-11-21 22:56:51,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:56:51,398 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:56:51,398 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:56:51,408 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:56:51,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:56:51" (1/1) ... [2022-11-21 22:56:51,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:56:51,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:51,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-21 22:56:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-21 22:56:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:56:51,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:51,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2022-11-21 22:56:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-11-21 22:56:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:56:51,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:51,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:51,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-11-21 22:56:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-11-21 22:56:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:56:51,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:52,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-11-21 22:56:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-21 22:56:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:56:52,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:52,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-11-21 22:56:52,192 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-11-21 22:56:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:56:52,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:52,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-11-21 22:56:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-11-21 22:56:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:56:52,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:56:52,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:56:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:56:52,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:56:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:56:52,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-21 22:56:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-21 22:56:52,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:56:52,643 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-21 22:56:52,652 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:56:52,686 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2022-11-21 22:56:52,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:56:52 ImpRootNode [2022-11-21 22:56:52,699 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:56:52,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:56:52,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:56:52,700 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:56:52,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:56:51" (3/4) ... [2022-11-21 22:56:52,704 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:56:52,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 22:56:52,720 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 22:56:52,721 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:56:52,786 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:56:52,790 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:56:52,791 INFO L158 Benchmark]: Toolchain (without parser) took 1952.21ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 89.9MB in the end (delta: 40.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,791 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 79.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:56:52,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.51ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 121.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 159.4MB. Free memory was 121.0MB in the beginning and 119.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:56:52,794 INFO L158 Benchmark]: Boogie Preprocessor took 19.19ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 118.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,794 INFO L158 Benchmark]: RCFGBuilder took 320.83ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 109.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,795 INFO L158 Benchmark]: CodeCheck took 1301.25ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 92.3MB in the end (delta: 16.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,796 INFO L158 Benchmark]: Witness Printer took 90.10ms. Allocated memory is still 159.4MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:56:52,800 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: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 277 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 30 mSDtfsCounter, 277 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 249 SyntacticMatches, 7 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 87 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, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 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 0.15ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 79.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.51ms. Allocated memory is still 159.4MB. Free memory was 130.3MB in the beginning and 121.0MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 159.4MB. Free memory was 121.0MB in the beginning and 119.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.19ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 118.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.83ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 109.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1301.25ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 92.3MB in the end (delta: 16.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 90.10ms. Allocated memory is still 159.4MB. Free memory was 92.3MB in the beginning and 89.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:56:52,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70383e9f-0940-4260-ac21-74ec4c3aec60/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE