./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_22_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_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/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_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/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_cc4d12ef-9384-4d71-a527-b50730ea41e9/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 f99aed1a2681d32cb6221672a76e642596876480d047e3b6425ea1e67927d04e --- 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 22:41:35,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:41:35,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:41:35,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:41:35,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:41:35,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:41:35,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:41:35,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:41:35,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:41:35,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:41:35,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:41:35,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:41:35,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:41:35,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:41:35,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:41:35,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:41:35,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:41:35,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:41:35,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:41:35,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:41:35,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:41:35,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:41:35,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:41:35,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:41:35,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:41:35,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:41:35,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:41:35,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:41:35,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:41:35,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:41:35,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:41:35,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:41:35,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:41:35,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:41:35,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:41:35,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:41:35,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:41:35,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:41:35,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:41:35,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:41:35,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:41:35,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:41:35,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:41:35,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:41:35,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:41:35,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:41:35,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:41:35,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:41:35,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:41:35,613 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:41:35,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:41:35,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:41:35,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:41:35,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:41:35,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:41:35,615 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:41:35,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:41:35,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:41:35,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:41:35,616 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:41:35,616 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:41:35,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:41:35,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:41:35,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:41:35,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:41:35,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:41:35,618 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:41:35,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:41:35,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:41:35,618 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_cc4d12ef-9384-4d71-a527-b50730ea41e9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f99aed1a2681d32cb6221672a76e642596876480d047e3b6425ea1e67927d04e [2022-11-21 22:41:35,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:41:35,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:41:35,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:41:35,971 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:41:35,972 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:41:35,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_22_good.i [2022-11-21 22:41:39,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:41:40,060 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:41:40,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_22_good.i [2022-11-21 22:41:40,105 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/data/c71833662/67384589dead4c52bc355ec865dd1486/FLAGe37545b5e [2022-11-21 22:41:40,130 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/data/c71833662/67384589dead4c52bc355ec865dd1486 [2022-11-21 22:41:40,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:41:40,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:41:40,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:41:40,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:41:40,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:41:40,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:41:40" (1/1) ... [2022-11-21 22:41:40,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fcc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:40, skipping insertion in model container [2022-11-21 22:41:40,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:41:40" (1/1) ... [2022-11-21 22:41:40,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:41:40,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:41:40,647 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:41:41,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:41:41,232 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:41:41,263 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:41:41,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:41:41,520 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:41:41,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41 WrapperNode [2022-11-21 22:41:41,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:41:41,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:41:41,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:41:41,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:41:41,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,600 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 95 [2022-11-21 22:41:41,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:41:41,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:41:41,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:41:41,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:41:41,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:41:41,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:41:41,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:41:41,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:41:41,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:41:41" (1/1) ... [2022-11-21 22:41:41,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:41:41,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:41:41,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:41:41,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:41:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:41:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:41:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:41:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:41:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:41:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:41:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:41:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:41:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:41:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:41:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:41:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:41:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:41:42,006 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:41:42,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:41:42,307 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:41:42,374 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:41:42,374 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:41:42,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42 BoogieIcfgContainer [2022-11-21 22:41:42,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:41:42,378 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:41:42,378 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:41:42,389 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:41:42,390 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42" (1/1) ... [2022-11-21 22:41:42,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:41:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 22:41:42,450 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 22:41:42,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:41:42,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:42,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:42,937 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 22:41:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-11-21 22:41:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-11-21 22:41:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:41:42,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:42,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,109 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 22:41:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-11-21 22:41:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-21 22:41:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 22:41:43,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,259 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 22:41:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2022-11-21 22:41:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-21 22:41:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:41:43,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,630 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 22:41:43,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-11-21 22:41:43,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 22:41:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:41:43,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:43,751 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 22:41:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2022-11-21 22:41:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 22:41:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:41:43,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:43,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,019 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 22:41:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 38 transitions. [2022-11-21 22:41:44,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-21 22:41:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:41:44,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,295 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 22:41:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 37 transitions. [2022-11-21 22:41:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-21 22:41:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 22:41:44,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:41:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:41:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:41:44,470 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 22:41:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:41:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 36 transitions. [2022-11-21 22:41:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-21 22:41:44,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:41:44,618 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 22:41:44,628 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 22:41:44,704 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:41:44,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:41:44 ImpRootNode [2022-11-21 22:41:44,710 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:41:44,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:41:44,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:41:44,711 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:41:44,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:41:42" (3/4) ... [2022-11-21 22:41:44,716 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:41:44,734 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:41:44,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:41:44,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 22:41:44,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 22:41:44,745 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:41:44,746 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:41:44,842 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:41:44,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:41:44,844 INFO L158 Benchmark]: Toolchain (without parser) took 4703.78ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 88.6MB in the beginning and 81.1MB in the end (delta: 7.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,845 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.8MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.57ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 88.1MB in the beginning and 112.0MB in the end (delta: -23.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.11ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 108.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,847 INFO L158 Benchmark]: Boogie Preprocessor took 28.42ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 107.8MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:41:44,847 INFO L158 Benchmark]: RCFGBuilder took 747.76ms. Allocated memory is still 172.0MB. Free memory was 107.8MB in the beginning and 89.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,850 INFO L158 Benchmark]: CodeCheck took 2332.29ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 85.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,851 INFO L158 Benchmark]: Witness Printer took 131.75ms. Allocated memory is still 172.0MB. Free memory was 85.2MB in the beginning and 81.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:41:44,855 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 246 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 274 IncrementalHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 212 mSDtfsCounter, 274 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 779 GetRequests, 749 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 136.3MB. Free memory was 109.0MB in the beginning and 108.8MB in the end (delta: 169.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.57ms. Allocated memory was 136.3MB in the beginning and 172.0MB in the end (delta: 35.7MB). Free memory was 88.1MB in the beginning and 112.0MB in the end (delta: -23.9MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.11ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 108.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.42ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 107.8MB in the end (delta: 890.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.76ms. Allocated memory is still 172.0MB. Free memory was 107.8MB in the beginning and 89.9MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2332.29ms. Allocated memory is still 172.0MB. Free memory was 89.9MB in the beginning and 85.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 131.75ms. Allocated memory is still 172.0MB. Free memory was 85.2MB in the beginning and 81.1MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:41:44,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc4d12ef-9384-4d71-a527-b50730ea41e9/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