./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/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_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/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_53974729-baa1-4a06-8458-e323387b7379/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 ce06a13e3f6f55e26a2b500de5fa3979035448e2e942ea3ebff0c5188c1573c6 --- 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 23:36:30,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:36:30,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:36:30,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:36:30,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:36:30,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:36:30,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:36:30,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:36:30,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:36:30,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:36:30,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:36:30,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:36:30,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:36:30,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:36:30,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:36:30,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:36:30,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:36:30,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:36:30,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:36:30,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:36:30,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:36:30,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:36:30,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:36:30,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:36:30,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:36:30,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:36:30,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:36:30,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:36:30,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:36:30,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:36:30,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:36:30,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:36:30,404 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:36:30,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:36:30,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:36:30,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:36:30,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:36:30,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:36:30,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:36:30,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:36:30,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:36:30,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:36:30,452 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:36:30,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:36:30,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:36:30,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:36:30,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:36:30,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:36:30,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:36:30,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:36:30,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:36:30,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:36:30,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:36:30,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:36:30,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:36:30,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:36:30,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:36:30,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:36:30,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:36:30,458 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:36:30,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:36:30,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:36:30,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:36:30,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:36:30,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:36:30,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:36:30,459 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:36:30,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:36:30,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:36:30,460 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_53974729-baa1-4a06-8458-e323387b7379/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce06a13e3f6f55e26a2b500de5fa3979035448e2e942ea3ebff0c5188c1573c6 [2022-11-21 23:36:30,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:36:30,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:36:30,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:36:30,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:36:30,844 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:36:30,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_good.i [2022-11-21 23:36:33,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:36:34,325 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:36:34,326 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_02_good.i [2022-11-21 23:36:34,354 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/data/850b0c1f7/1078c3aa62e44456999ded53819a9bcc/FLAG928dab02f [2022-11-21 23:36:34,482 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/data/850b0c1f7/1078c3aa62e44456999ded53819a9bcc [2022-11-21 23:36:34,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:36:34,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:36:34,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:36:34,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:36:34,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:36:34,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:34" (1/1) ... [2022-11-21 23:36:34,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@215ed280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:34, skipping insertion in model container [2022-11-21 23:36:34,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:34" (1/1) ... [2022-11-21 23:36:34,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:36:34,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:36:34,955 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:36:35,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:36:35,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:36:35,573 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:36:35,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:36:35,776 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:36:35,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35 WrapperNode [2022-11-21 23:36:35,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:36:35,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:36:35,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:36:35,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:36:35,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,835 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-21 23:36:35,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:36:35,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:36:35,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:36:35,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:36:35,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:36:35,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:36:35,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:36:35,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:36:35,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:35" (1/1) ... [2022-11-21 23:36:35,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:36:35,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:36:35,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:36:35,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:36:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:36:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:36:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:36:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:36:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:36:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:36:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:36:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:36:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:36:36,135 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:36:36,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:36:36,458 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:36:36,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:36:36,687 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 23:36:36,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:36 BoogieIcfgContainer [2022-11-21 23:36:36,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:36:36,691 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:36:36,691 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:36:36,707 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:36:36,707 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:36" (1/1) ... [2022-11-21 23:36:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:36:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:36,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-11-21 23:36:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-21 23:36:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:36:36,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:36,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:37,314 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 23:36:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:37,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 54 transitions. [2022-11-21 23:36:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-21 23:36:37,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:36:37,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:37,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:37,569 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 23:36:37,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:37,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 53 transitions. [2022-11-21 23:36:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-21 23:36:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:36:37,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:37,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:37,809 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 23:36:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 51 transitions. [2022-11-21 23:36:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-21 23:36:37,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:36:37,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:37,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:38,045 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 23:36:38,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 50 transitions. [2022-11-21 23:36:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-21 23:36:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:36:38,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:38,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:38,258 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 23:36:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 45 transitions. [2022-11-21 23:36:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-21 23:36:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:36:38,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:38,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:38,481 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 23:36:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 44 transitions. [2022-11-21 23:36:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-21 23:36:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:36:38,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:38,828 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 23:36:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 42 transitions. [2022-11-21 23:36:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-21 23:36:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:36:38,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:36:38,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:36:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:36:39,066 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 23:36:39,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:36:39,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 41 transitions. [2022-11-21 23:36:39,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 23:36:39,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:36:39,275 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:36:39,283 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-21 23:36:39,336 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:36:39,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:36:39 ImpRootNode [2022-11-21 23:36:39,341 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:36:39,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:36:39,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:36:39,342 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:36:39,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:36" (3/4) ... [2022-11-21 23:36:39,346 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:36:39,355 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:36:39,355 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:36:39,364 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 23:36:39,364 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:36:39,364 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:36:39,365 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:36:39,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:36:39,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:36:39,440 INFO L158 Benchmark]: Toolchain (without parser) took 4953.40ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 127.1MB in the beginning and 95.9MB in the end (delta: 31.2MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,440 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 125.8MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:36:39,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1289.02ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 110.2MB in the end (delta: 17.0MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.24ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,441 INFO L158 Benchmark]: Boogie Preprocessor took 62.50ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,442 INFO L158 Benchmark]: RCFGBuilder took 790.43ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 74.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,442 INFO L158 Benchmark]: CodeCheck took 2650.36ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 74.5MB in the beginning and 99.9MB in the end (delta: -25.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,442 INFO L158 Benchmark]: Witness Printer took 97.65ms. Allocated memory is still 199.2MB. Free memory was 99.1MB in the beginning and 95.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:36:39,444 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, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 356 IncrementalHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 142 mSDtfsCounter, 356 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 956 GetRequests, 916 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 125.8MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1289.02ms. Allocated memory is still 163.6MB. Free memory was 127.1MB in the beginning and 110.2MB in the end (delta: 17.0MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.24ms. Allocated memory is still 163.6MB. Free memory was 110.2MB in the beginning and 106.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.50ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 104.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.43ms. Allocated memory is still 163.6MB. Free memory was 104.7MB in the beginning and 74.5MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 2650.36ms. Allocated memory was 163.6MB in the beginning and 199.2MB in the end (delta: 35.7MB). Free memory was 74.5MB in the beginning and 99.9MB in the end (delta: -25.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 97.65ms. Allocated memory is still 199.2MB. Free memory was 99.1MB in the beginning and 95.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:36:39,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53974729-baa1-4a06-8458-e323387b7379/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