./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_good.i --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_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/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_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/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_e2349acb-666a-44c9-8553-b171032fc0cb/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 4605aeb1b076653170e41195296848338407f7bf9ae7a7102407eab7c21298ff --- 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 23:22:32,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:32,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:32,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:32,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:32,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:32,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:32,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:32,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:32,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:32,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:32,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:32,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:32,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:32,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:32,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:32,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:32,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:32,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:32,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:32,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:32,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:32,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:32,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:32,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:32,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:32,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:32,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:32,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:32,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:32,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:32,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:32,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:32,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:32,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:32,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:32,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:32,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:32,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:32,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:32,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:32,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:22:32,338 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:32,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:32,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:22:32,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:22:32,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:32,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:32,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:32,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:22:32,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:22:32,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:32,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:22:32,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:32,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:22:32,343 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:22:32,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:22:32,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:32,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:22:32,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:32,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:32,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:32,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:32,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:32,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:32,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:22:32,346 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:22:32,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:22:32,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:22:32,346 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_e2349acb-666a-44c9-8553-b171032fc0cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4605aeb1b076653170e41195296848338407f7bf9ae7a7102407eab7c21298ff [2022-11-21 23:22:32,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:32,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:32,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:32,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:32,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:32,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_good.i [2022-11-21 23:22:35,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:36,051 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:36,051 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_02_good.i [2022-11-21 23:22:36,077 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/data/75fbc5dc7/e5843d06288247b3bc0f9f55788f3270/FLAG6dff44a67 [2022-11-21 23:22:36,092 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/data/75fbc5dc7/e5843d06288247b3bc0f9f55788f3270 [2022-11-21 23:22:36,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:36,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:36,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:36,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:36,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:36,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:36" (1/1) ... [2022-11-21 23:22:36,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4438cc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:36, skipping insertion in model container [2022-11-21 23:22:36,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:36" (1/1) ... [2022-11-21 23:22:36,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:36,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:36,641 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:22:37,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:37,189 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:37,207 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:22:37,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:37,449 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:37,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37 WrapperNode [2022-11-21 23:22:37,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:37,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:37,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:37,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:37,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,538 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-11-21 23:22:37,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:37,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:37,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:37,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:37,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,591 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:37,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:37,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:37,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:37,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:37" (1/1) ... [2022-11-21 23:22:37,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:37,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:37,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:22:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:22:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:22:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:22:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:22:37,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:37,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:22:37,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:22:37,815 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:37,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:37,953 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:38,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:38,027 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 23:22:38,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:38 BoogieIcfgContainer [2022-11-21 23:22:38,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:38,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:38,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:38,047 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:38,063 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:38" (1/1) ... [2022-11-21 23:22:38,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:38,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-11-21 23:22:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-21 23:22:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:22:38,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,473 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 23:22:38,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 46 transitions. [2022-11-21 23:22:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 23:22:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:22:38,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:22:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2022-11-21 23:22:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-21 23:22:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:38,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:22:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 33 transitions. [2022-11-21 23:22:38,804 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-11-21 23:22:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:22:38,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:22:39,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 32 transitions. [2022-11-21 23:22:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-11-21 23:22:39,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:22:39,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:22:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 30 transitions. [2022-11-21 23:22:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-21 23:22:39,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:22:39,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:39,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:22:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 29 transitions. [2022-11-21 23:22:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-21 23:22:39,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:22:39,337 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-21 23:22:39,345 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:22:39,384 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:22:39,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:22:39 ImpRootNode [2022-11-21 23:22:39,389 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:22:39,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:22:39,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:22:39,391 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:22:39,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:38" (3/4) ... [2022-11-21 23:22:39,395 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:22:39,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:22:39,401 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:22:39,406 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:22:39,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 23:22:39,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:22:39,407 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:22:39,455 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:22:39,455 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:22:39,456 INFO L158 Benchmark]: Toolchain (without parser) took 3359.49ms. Allocated memory is still 146.8MB. Free memory was 105.0MB in the beginning and 57.8MB in the end (delta: 47.2MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,457 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:39,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1353.09ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 67.6MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.61ms. Allocated memory is still 146.8MB. Free memory was 67.6MB in the beginning and 64.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,458 INFO L158 Benchmark]: Boogie Preprocessor took 55.49ms. Allocated memory is still 146.8MB. Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,459 INFO L158 Benchmark]: RCFGBuilder took 436.37ms. Allocated memory is still 146.8MB. Free memory was 62.9MB in the beginning and 47.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,459 INFO L158 Benchmark]: CodeCheck took 1356.92ms. Allocated memory is still 146.8MB. Free memory was 47.1MB in the beginning and 60.6MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:39,460 INFO L158 Benchmark]: Witness Printer took 65.58ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 57.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:39,462 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 3 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 135 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 701 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 107.0MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1353.09ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 67.6MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.61ms. Allocated memory is still 146.8MB. Free memory was 67.6MB in the beginning and 64.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.49ms. Allocated memory is still 146.8MB. Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.37ms. Allocated memory is still 146.8MB. Free memory was 62.9MB in the beginning and 47.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1356.92ms. Allocated memory is still 146.8MB. Free memory was 47.1MB in the beginning and 60.6MB in the end (delta: -13.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.58ms. Allocated memory is still 146.8MB. Free memory was 60.6MB in the beginning and 57.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:22:39,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2349acb-666a-44c9-8553-b171032fc0cb/bin/ukojak-jW3SillKbg/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