./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/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_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/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_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/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 f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce --- 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 20:09:21,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:21,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:21,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:21,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:21,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:21,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:21,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:21,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:21,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:21,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:21,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:21,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:21,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:21,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:21,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:21,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:21,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:21,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:21,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:21,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:21,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:21,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:21,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:21,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:21,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:21,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:21,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:21,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:21,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:21,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:21,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:21,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:21,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:21,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:21,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:21,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:21,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:21,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:21,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:21,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:21,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 20:09:21,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:21,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:21,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:21,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:21,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:21,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:21,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:21,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:21,788 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:09:21,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:21,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:21,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:21,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:21,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:21,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:21,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:21,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:21,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:21,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:21,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:09:21,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:09:21,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:21,790 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_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce [2022-12-14 20:09:21,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:22,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:22,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:22,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:22,007 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:22,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2022-12-14 20:09:24,610 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:24,851 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:24,852 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2022-12-14 20:09:24,864 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/data/d632c2918/3a8103d89d3c4fb4b36f9c9d3000db7a/FLAGfc5f8ea88 [2022-12-14 20:09:25,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/data/d632c2918/3a8103d89d3c4fb4b36f9c9d3000db7a [2022-12-14 20:09:25,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:25,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:25,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:25,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:25,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:25,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76740fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25, skipping insertion in model container [2022-12-14 20:09:25,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:25,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:25,463 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:09:25,743 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:09:25,747 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:25,748 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:25,750 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:25,750 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:25,770 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:09:25,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:25,777 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:25,790 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 20:09:25,819 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 20:09:25,820 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:25,821 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 20:09:25,823 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:25,823 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 20:09:25,827 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 20:09:25,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:25,921 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:25,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25 WrapperNode [2022-12-14 20:09:25,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:25,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:25,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:25,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:25,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,970 INFO L138 Inliner]: procedures = 499, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-12-14 20:09:25,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:25,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:25,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:25,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:25,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:25,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:25,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:25,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:25,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:25" (1/1) ... [2022-12-14 20:09:25,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:26,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:26,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:26,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 20:09:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 20:09:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:09:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:09:26,154 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:26,156 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:26,250 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:26,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:26,283 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 20:09:26,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:26 BoogieIcfgContainer [2022-12-14 20:09:26,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:09:26,285 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:09:26,285 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:09:26,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:09:26,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:26" (1/1) ... [2022-12-14 20:09:26,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:09:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:09:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-14 20:09:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-14 20:09:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 20:09:26,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:09:26,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:09:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:09:26,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:09:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:09:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:09:26,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:09:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:09:26,561 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 20:09:26,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:09:26 ImpRootNode [2022-12-14 20:09:26,585 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:09:26,586 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:09:26,586 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:09:26,586 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:09:26,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:09:26" (3/4) ... [2022-12-14 20:09:26,587 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:09:26,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:09:26,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:09:26,620 INFO L158 Benchmark]: Toolchain (without parser) took 1420.57ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 126.5MB in the end (delta: -24.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,620 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 140.5MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:26,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.51ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 112.3MB in the end (delta: -10.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.76ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 109.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,621 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 107.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,622 INFO L158 Benchmark]: RCFGBuilder took 294.73ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 93.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,622 INFO L158 Benchmark]: CodeCheck took 300.29ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 128.6MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:26,623 INFO L158 Benchmark]: Witness Printer took 33.15ms. Allocated memory is still 169.9MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:26,626 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:16}, argv={14:16}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] EXPR \read(data) [L1565] data-- VAL [\read(data)=-2147483648, data={6:0}, 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 0.20ms. Allocated memory is still 140.5MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.51ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.8MB in the beginning and 112.3MB in the end (delta: -10.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.76ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 109.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 169.9MB. Free memory was 109.0MB in the beginning and 107.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 294.73ms. Allocated memory is still 169.9MB. Free memory was 107.5MB in the beginning and 93.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 300.29ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 128.6MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.15ms. Allocated memory is still 169.9MB. Free memory was 128.6MB in the beginning and 126.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 20:09:26,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faa52d31-a4cb-4c4d-99c6-bde9ac47f5e2/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)