./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_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_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/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_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/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_194b7534-11db-4e05-a7b8-727edd0121ac/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 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 --- 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 18:31:27,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:31:27,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:31:27,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:31:27,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:31:27,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:31:27,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:31:27,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:31:27,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:31:27,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:31:27,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:31:27,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:31:27,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:31:27,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:31:27,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:31:27,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:31:27,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:31:27,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:31:27,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:31:27,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:31:27,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:31:27,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:31:27,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:31:27,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:31:27,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:31:27,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:31:27,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:31:27,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:31:27,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:31:27,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:31:27,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:31:27,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:31:27,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:31:27,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:31:27,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:31:27,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:31:27,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:31:27,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:31:27,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:31:27,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:31:27,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:31:27,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 18:31:27,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:31:27,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:31:27,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:31:27,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:31:27,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:31:27,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:31:27,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:31:27,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:31:27,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:31:27,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:31:27,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:31:27,561 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:31:27,561 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:31:27,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:31:27,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:31:27,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:31:27,562 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_194b7534-11db-4e05-a7b8-727edd0121ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e32ee8fc89be66954b305b1db7317243c32f939ac2606c4458dd1a555a7bc6 [2022-12-14 18:31:27,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:31:27,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:31:27,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:31:27,738 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:31:27,738 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:31:27,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2022-12-14 18:31:30,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:31:30,479 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:31:30,479 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_bad.i [2022-12-14 18:31:30,492 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/data/9b76420c7/177eb88a85d54606b379fbf0c23dccb5/FLAG2e1aac91d [2022-12-14 18:31:30,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/data/9b76420c7/177eb88a85d54606b379fbf0c23dccb5 [2022-12-14 18:31:30,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:31:30,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:31:30,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:31:30,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:31:30,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:31:30,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:31:30" (1/1) ... [2022-12-14 18:31:30,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d66b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:30, skipping insertion in model container [2022-12-14 18:31:30,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:31:30" (1/1) ... [2022-12-14 18:31:30,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:31:30,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:31:31,199 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:31:31,494 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:31:31,499 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:31:31,501 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:31:31,503 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:31:31,504 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:31:31,527 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:31:31,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:31:31,539 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:31:31,557 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 18:31:31,598 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 18:31:31,599 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:31:31,600 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 18:31:31,602 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:31:31,602 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 18:31:31,605 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 18:31:31,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:31:31,696 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:31:31,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31 WrapperNode [2022-12-14 18:31:31,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:31:31,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:31:31,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:31:31,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:31:31,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,737 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2022-12-14 18:31:31,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:31:31,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:31:31,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:31:31,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:31:31,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:31:31,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:31:31,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:31:31,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:31:31,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:31:31" (1/1) ... [2022-12-14 18:31:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:31:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:31:31,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:31:31,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:31:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 18:31:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 18:31:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:31:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:31:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:31:31,923 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:31:31,925 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:31:32,019 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:31:32,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:31:32,043 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 18:31:32,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:31:32 BoogieIcfgContainer [2022-12-14 18:31:32,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:31:32,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:31:32,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:31:32,052 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:31:32,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:31:32" (1/1) ... [2022-12-14 18:31:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:31:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:31:32,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-12-14 18:31:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 18:31:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:31:32,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:31:32,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:31:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:31:32,192 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:31:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:31:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:31:32,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:31:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:31:32,295 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 18:31:32,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:31:32 ImpRootNode [2022-12-14 18:31:32,314 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:31:32,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:31:32,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:31:32,315 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:31:32,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:31:32" (3/4) ... [2022-12-14 18:31:32,316 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 18:31:32,343 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:31:32,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:31:32,344 INFO L158 Benchmark]: Toolchain (without parser) took 1491.48ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.3MB in the beginning and 89.9MB in the end (delta: 15.4MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2022-12-14 18:31:32,344 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:31:32,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.13ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 104.6MB in the beginning and 127.7MB in the end (delta: -23.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-12-14 18:31:32,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.53ms. Allocated memory is still 172.0MB. Free memory was 127.7MB in the beginning and 124.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 18:31:32,346 INFO L158 Benchmark]: Boogie Preprocessor took 17.75ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 123.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:31:32,346 INFO L158 Benchmark]: RCFGBuilder took 288.74ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 108.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:31:32,346 INFO L158 Benchmark]: CodeCheck took 268.83ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 92.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:31:32,347 INFO L158 Benchmark]: Witness Printer took 28.98ms. Allocated memory is still 172.0MB. Free memory was 91.1MB in the beginning and 89.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:31:32,349 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=16, argc=16, argv={13:31}, argv={13:31}, CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal = 1 [L1556] EXPR \read(data) [L1556] CALL CWE191_Integer_Underflow__int_fscanf_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal) [L1572] data-- VAL [\old(data)=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_22_badGlobal=1, data=-2147483648, data--=-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 0.16ms. Allocated memory is still 142.6MB. Free memory is still 85.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.13ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 104.6MB in the beginning and 127.7MB in the end (delta: -23.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.53ms. Allocated memory is still 172.0MB. Free memory was 127.7MB in the beginning and 124.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.75ms. Allocated memory is still 172.0MB. Free memory was 124.5MB in the beginning and 123.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.74ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 108.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 268.83ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 92.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 28.98ms. Allocated memory is still 172.0MB. Free memory was 91.1MB in the beginning and 89.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 18:31:32,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_194b7534-11db-4e05-a7b8-727edd0121ac/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)