./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_51_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_51_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4 --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 9d12a6439ccb05f58745a33ca866f5d356c266f5c4db00d2b0f0c1e5d23bb740 --- 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-2329fc7 [2022-12-15 03:39:40,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:39:40,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:39:40,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:39:40,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:39:40,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:39:40,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:39:40,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:39:40,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:39:40,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:39:40,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:39:40,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:39:40,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:39:40,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:39:40,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:39:40,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:39:40,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:39:40,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:39:40,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:39:40,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:39:40,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:39:40,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:39:40,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:39:40,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:39:40,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:39:40,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:39:40,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:39:40,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:39:40,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:39:40,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:39:40,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:39:40,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:39:40,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:39:40,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:39:40,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:39:40,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:39:40,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:39:40,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:39:40,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:39:40,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:39:40,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:39:40,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:39:40,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:39:40,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:39:40,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:39:40,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:39:40,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:39:40,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:39:40,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:39:40,811 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:39:40,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:39:40,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:39:40,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:39:40,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:39:40,813 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:39:40,813 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:39:40,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:39:40,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:39:40,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:39:40,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:39:40,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:39:40,814 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:39:40,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:39:40,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:39:40,815 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_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d12a6439ccb05f58745a33ca866f5d356c266f5c4db00d2b0f0c1e5d23bb740 [2022-12-15 03:39:41,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:39:41,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:39:41,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:39:41,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:39:41,030 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:39:41,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_51_good.i [2022-12-15 03:39:43,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:39:43,941 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:39:43,942 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_51_good.i [2022-12-15 03:39:43,957 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/data/134f126fd/6939533ac78440ccb9853cff8512fe78/FLAG1cfc47f56 [2022-12-15 03:39:43,969 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/data/134f126fd/6939533ac78440ccb9853cff8512fe78 [2022-12-15 03:39:43,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:39:43,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:39:43,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:39:43,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:39:43,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:39:43,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:39:43" (1/1) ... [2022-12-15 03:39:43,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec421c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:43, skipping insertion in model container [2022-12-15 03:39:43,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:39:43" (1/1) ... [2022-12-15 03:39:43,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:39:44,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:39:44,289 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:39:44,593 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:39:44,598 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:39:44,599 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:39:44,602 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:39:44,602 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:39:44,621 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:39:44,625 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:39:44,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:39:44,648 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:39:44,676 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:39:44,717 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:39:44,719 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:39:44,720 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:39:44,722 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:39:44,723 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:39:44,728 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 03:39:44,729 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:39:44,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:39:44,844 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:39:44,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44 WrapperNode [2022-12-15 03:39:44,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:39:44,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:39:44,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:39:44,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:39:44,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,881 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2022-12-15 03:39:44,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:39:44,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:39:44,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:39:44,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:39:44,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,896 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:39:44,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:39:44,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:39:44,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:39:44,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:39:44" (1/1) ... [2022-12-15 03:39:44,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:39:44,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:39:44,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:39:44,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:39:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 03:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:39:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:39:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:39:45,075 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:39:45,077 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:39:45,193 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:39:45,221 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:39:45,221 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:39:45,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:39:45 BoogieIcfgContainer [2022-12-15 03:39:45,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:39:45,225 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:39:45,225 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:39:45,234 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:39:45,234 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:39:45" (1/1) ... [2022-12-15 03:39:45,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:39:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-12-15 03:39:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-12-15 03:39:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:39:45,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:45,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:39:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:39:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-12-15 03:39:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-15 03:39:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:39:45,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:45,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:39:45,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:39:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-15 03:39:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-15 03:39:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:39:45,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:39:45,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:39:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-12-15 03:39:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-15 03:39:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:39:45,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:39:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:39:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:39:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:39:45,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:39:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-12-15 03:39:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-12-15 03:39:45,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:39:45,781 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-12-15 03:39:45,788 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 03:39:45,807 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:39:45,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:39:45 ImpRootNode [2022-12-15 03:39:45,812 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:39:45,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:39:45,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:39:45,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:39:45,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:39:45" (3/4) ... [2022-12-15 03:39:45,817 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:39:45,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:39:45,822 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:39:45,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-12-15 03:39:45,826 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-15 03:39:45,827 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:39:45,827 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:39:45,866 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:39:45,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:39:45,867 INFO L158 Benchmark]: Toolchain (without parser) took 1895.47ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.9MB in the beginning and 84.4MB in the end (delta: -20.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,868 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:39:45,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.02ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.9MB in the beginning and 61.1MB in the end (delta: 2.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.84ms. Allocated memory is still 132.1MB. Free memory was 61.1MB in the beginning and 58.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,869 INFO L158 Benchmark]: Boogie Preprocessor took 21.73ms. Allocated memory is still 132.1MB. Free memory was 58.1MB in the beginning and 100.4MB in the end (delta: -42.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,869 INFO L158 Benchmark]: RCFGBuilder took 320.31ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 85.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,869 INFO L158 Benchmark]: CodeCheck took 587.70ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 87.4MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:39:45,870 INFO L158 Benchmark]: Witness Printer took 54.01ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 84.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:39:45,871 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, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 54 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: 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: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory was 83.6MB in the beginning and 83.5MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.02ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 63.9MB in the beginning and 61.1MB in the end (delta: 2.8MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.84ms. Allocated memory is still 132.1MB. Free memory was 61.1MB in the beginning and 58.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.73ms. Allocated memory is still 132.1MB. Free memory was 58.1MB in the beginning and 100.4MB in the end (delta: -42.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 320.31ms. Allocated memory is still 132.1MB. Free memory was 100.4MB in the beginning and 85.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 587.70ms. Allocated memory is still 132.1MB. Free memory was 85.0MB in the beginning and 87.4MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.01ms. Allocated memory is still 132.1MB. Free memory was 87.4MB in the beginning and 84.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:39:45,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_241d3d44-139a-4c50-83c6-dd17c35e2c96/bin/ukojak-rkRKPMF4O4/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