./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/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_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/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_4e8b2305-6225-4353-93e5-a0498919fe3d/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 ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 --- 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 21:51:23,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:51:23,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:51:23,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:51:23,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:51:23,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:51:23,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:51:23,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:51:23,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:51:23,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:51:23,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:51:23,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:51:23,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:51:23,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:51:23,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:51:23,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:51:23,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:51:23,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:51:23,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:51:23,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:51:23,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:51:23,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:51:23,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:51:23,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:51:23,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:51:23,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:51:23,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:51:23,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:51:23,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:51:23,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:51:23,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:51:23,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:51:23,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:51:23,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:51:23,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:51:23,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:51:23,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:51:23,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:51:23,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:51:23,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:51:23,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:51:23,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:51:23,648 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:51:23,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:51:23,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:51:23,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:51:23,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:51:23,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:51:23,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:51:23,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:51:23,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:51:23,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:51:23,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:51:23,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:51:23,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:51:23,652 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:51:23,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:51:23,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:51:23,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:51:23,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:51:23,653 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:51:23,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:51:23,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:51:23,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:51:23,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:51:23,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:51:23,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:51:23,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:51:23,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:51:23,658 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_4e8b2305-6225-4353-93e5-a0498919fe3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac0a1a6e382dc67c16c6b72d2239e81c389e4f53fb61fde23070e142dd3fc6a0 [2022-11-21 21:51:23,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:51:23,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:51:23,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:51:23,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:51:24,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:51:24,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2022-11-21 21:51:26,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:51:27,404 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:51:27,405 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_65_good.i [2022-11-21 21:51:27,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/data/3baf7642d/46ae81cd6be44567bbc478229072287b/FLAGb4ec69e69 [2022-11-21 21:51:27,446 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/data/3baf7642d/46ae81cd6be44567bbc478229072287b [2022-11-21 21:51:27,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:51:27,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:51:27,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:51:27,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:51:27,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:51:27,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:51:27" (1/1) ... [2022-11-21 21:51:27,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7af7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:27, skipping insertion in model container [2022-11-21 21:51:27,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:51:27" (1/1) ... [2022-11-21 21:51:27,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:51:27,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:51:27,869 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:51:28,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:51:28,354 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:51:28,388 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:51:28,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:51:28,675 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:51:28,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28 WrapperNode [2022-11-21 21:51:28,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:51:28,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:51:28,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:51:28,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:51:28,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,746 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2022-11-21 21:51:28,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:51:28,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:51:28,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:51:28,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:51:28,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:51:28,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:51:28,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:51:28,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:51:28,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:51:28" (1/1) ... [2022-11-21 21:51:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:51:28,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:51:28,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:51:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:51:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:51:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:51:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:51:28,865 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:51:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 21:51:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:51:28,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:51:28,866 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:51:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:51:28,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:51:29,094 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:51:29,096 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:51:29,306 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:51:29,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:51:29,337 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:51:29,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:51:29 BoogieIcfgContainer [2022-11-21 21:51:29,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:51:29,340 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:51:29,340 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:51:29,350 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:51:29,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:51:29" (1/1) ... [2022-11-21 21:51:29,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:51:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-11-21 21:51:29,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-21 21:51:29,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:51:29,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:29,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:29,817 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 21:51:29,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-11-21 21:51:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-21 21:51:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:51:29,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:29,974 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 21:51:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-11-21 21:51:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 21:51:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:51:30,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:30,176 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 21:51:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 46 transitions. [2022-11-21 21:51:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-21 21:51:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 21:51:30,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:30,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:30,349 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 21:51:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 45 transitions. [2022-11-21 21:51:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-11-21 21:51:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 21:51:30,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:30,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:51:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 51 transitions. [2022-11-21 21:51:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-11-21 21:51:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 21:51:30,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:30,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:51:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:31,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 57 transitions. [2022-11-21 21:51:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-11-21 21:51:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 21:51:31,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:31,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:51:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2022-11-21 21:51:32,052 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-21 21:51:32,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 21:51:32,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:51:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:51:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:51:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:51:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:51:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 49 transitions. [2022-11-21 21:51:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-21 21:51:32,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:51:32,916 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 21:51:32,925 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 21:51:33,029 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:51:33,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:51:33 ImpRootNode [2022-11-21 21:51:33,036 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:51:33,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:51:33,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:51:33,038 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:51:33,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:51:29" (3/4) ... [2022-11-21 21:51:33,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:51:33,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:51:33,051 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:51:33,052 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 21:51:33,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 21:51:33,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-21 21:51:33,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 21:51:33,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:51:33,102 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:51:33,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:51:33,114 INFO L158 Benchmark]: Toolchain (without parser) took 5663.90ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 142.5MB in the beginning and 104.9MB in the end (delta: 37.6MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,114 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:51:33,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.16ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 132.6MB in the end (delta: 9.9MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,117 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.36ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 129.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,117 INFO L158 Benchmark]: Boogie Preprocessor took 25.22ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,118 INFO L158 Benchmark]: RCFGBuilder took 566.39ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 111.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,119 INFO L158 Benchmark]: CodeCheck took 3696.27ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 111.6MB in the beginning and 108.0MB in the end (delta: 3.6MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,120 INFO L158 Benchmark]: Witness Printer took 76.55ms. Allocated memory is still 224.4MB. Free memory was 108.0MB in the beginning and 104.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:51:33,122 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 149 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 491 IncrementalHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 149 mSolverCounterUnsat, 200 mSDtfsCounter, 491 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1043 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1036 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 121 ConstructedInterpolants, 0 QuantifiedInterpolants, 247 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 14/14 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 125.8MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.16ms. Allocated memory is still 174.1MB. Free memory was 142.5MB in the beginning and 132.6MB in the end (delta: 9.9MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.36ms. Allocated memory is still 174.1MB. Free memory was 132.6MB in the beginning and 129.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.22ms. Allocated memory is still 174.1MB. Free memory was 129.4MB in the beginning and 127.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.39ms. Allocated memory is still 174.1MB. Free memory was 127.3MB in the beginning and 111.6MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3696.27ms. Allocated memory was 174.1MB in the beginning and 224.4MB in the end (delta: 50.3MB). Free memory was 111.6MB in the beginning and 108.0MB in the end (delta: 3.6MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Witness Printer took 76.55ms. Allocated memory is still 224.4MB. Free memory was 108.0MB in the beginning and 104.9MB 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 21:51:33,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8b2305-6225-4353-93e5-a0498919fe3d/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