./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.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_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/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_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/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_eae1786c-28a7-4524-bb2f-4f91392e4730/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- 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 [2022-12-14 22:17:55,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:17:55,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:17:55,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:17:55,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:17:55,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:17:55,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:17:55,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:17:55,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:17:55,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:17:55,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:17:55,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:17:55,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:17:55,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:17:55,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:17:55,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:17:55,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:17:55,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:17:55,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:17:55,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:17:55,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:17:55,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:17:55,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:17:55,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:17:55,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:17:55,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:17:55,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:17:55,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:17:55,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:17:55,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:17:55,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:17:55,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:17:55,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:17:55,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:17:55,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:17:55,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:17:55,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:17:55,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:17:55,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:17:55,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:17:55,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:17:55,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:17:55,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:17:55,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:17:55,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:17:55,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:17:55,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:17:55,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:17:55,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:17:55,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:17:55,933 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:17:55,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:17:55,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:17:55,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:17:55,933 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:17:55,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:17:55,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:17:55,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:17:55,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:17:55,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:17:55,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:17:55,934 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:17:55,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:17:55,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:17:55,935 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_eae1786c-28a7-4524-bb2f-4f91392e4730/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2022-12-14 22:17:56,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:17:56,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:17:56,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:17:56,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:17:56,146 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:17:56,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2022-12-14 22:17:58,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:17:59,072 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:17:59,072 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2022-12-14 22:17:59,097 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/data/607f749b6/b05251f5824642709076bbfd78b23710/FLAG96765d50e [2022-12-14 22:17:59,110 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/data/607f749b6/b05251f5824642709076bbfd78b23710 [2022-12-14 22:17:59,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:17:59,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:17:59,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:17:59,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:17:59,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:17:59,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e41575b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59, skipping insertion in model container [2022-12-14 22:17:59,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:17:59,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:17:59,423 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:17:59,703 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:17:59,707 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:17:59,708 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:17:59,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:17:59,711 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:17:59,729 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:17:59,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:17:59,737 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:17:59,753 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:17:59,787 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:17:59,789 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:17:59,790 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:17:59,791 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:17:59,792 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:17:59,795 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:17:59,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:17:59,892 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:17:59,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59 WrapperNode [2022-12-14 22:17:59,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:17:59,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:17:59,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:17:59,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:17:59,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,926 INFO L138 Inliner]: procedures = 499, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2022-12-14 22:17:59,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:17:59,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:17:59,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:17:59,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:17:59,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:17:59,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:17:59,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:17:59,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:17:59,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:17:59" (1/1) ... [2022-12-14 22:17:59,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:17:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:17:59,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:17:59,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:17:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:17:59,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:17:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 22:17:59,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:17:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 22:17:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:18:00,106 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:18:00,108 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:18:00,196 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:18:00,217 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:18:00,218 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 22:18:00,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:18:00 BoogieIcfgContainer [2022-12-14 22:18:00,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:18:00,220 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:18:00,220 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:18:00,227 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:18:00,227 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:18:00" (1/1) ... [2022-12-14 22:18:00,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:18:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:18:00,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 22:18:00,271 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 22:18:00,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:18:00,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:18:00,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:18:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:18:00,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:18:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:18:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:18:00,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:18:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:18:00,459 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 22:18:00,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:18:00 ImpRootNode [2022-12-14 22:18:00,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:18:00,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:18:00,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:18:00,482 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:18:00,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:18:00" (3/4) ... [2022-12-14 22:18:00,484 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:18:00,518 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:18:00,518 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:18:00,519 INFO L158 Benchmark]: Toolchain (without parser) took 1404.90ms. Allocated memory is still 136.3MB. Free memory was 94.0MB in the beginning and 56.3MB in the end (delta: 37.7MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,519 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:18:00,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.93ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 92.8MB in the end (delta: 709.6kB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.25ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 90.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,521 INFO L158 Benchmark]: Boogie Preprocessor took 17.10ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:18:00,522 INFO L158 Benchmark]: RCFGBuilder took 274.87ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 75.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,522 INFO L158 Benchmark]: CodeCheck took 260.78ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,523 INFO L158 Benchmark]: Witness Printer took 36.78ms. Allocated memory is still 136.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:18:00,526 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 1557]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:40}, argv={13:40}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [data=-2147483648, data={32289:0}, data--=-2147483648, dataCopy=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.93ms. Allocated memory is still 136.3MB. Free memory was 93.5MB in the beginning and 92.8MB in the end (delta: 709.6kB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.25ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 90.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.10ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.87ms. Allocated memory is still 136.3MB. Free memory was 88.6MB in the beginning and 75.2MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 260.78ms. Allocated memory is still 136.3MB. Free memory was 75.2MB in the beginning and 58.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 36.78ms. Allocated memory is still 136.3MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:18:00,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eae1786c-28a7-4524-bb2f-4f91392e4730/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)