./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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 e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:20:04,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:20:04,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:20:04,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:20:04,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:20:04,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:20:04,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:20:04,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:20:04,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:20:04,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:20:04,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:20:04,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:20:04,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:20:04,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:20:04,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:20:04,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:20:04,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:20:04,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:20:04,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:20:04,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:20:04,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:20:04,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:20:04,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:20:04,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:20:04,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:20:04,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:20:04,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:20:04,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:20:04,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:20:04,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:20:04,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:20:04,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:20:04,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:20:04,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:20:04,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:20:04,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:20:04,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:20:04,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:20:04,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:20:04,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:20:04,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:20:04,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:20:04,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:20:04,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:20:04,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:20:04,884 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:20:04,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:20:04,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:20:04,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:20:04,886 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:20:04,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:20:04,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:20:04,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:20:04,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:20:04,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:20:04,887 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:20:04,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:20:04,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:20:04,887 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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b [2022-12-15 00:20:05,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:20:05,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:20:05,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:20:05,069 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:20:05,070 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:20:05,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-12-15 00:20:07,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:20:07,910 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:20:07,911 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-12-15 00:20:07,929 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/626a1237c/23fa5a6dea7b44c6a0b527c8ae994d3e/FLAG1cb8db20b [2022-12-15 00:20:07,942 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/626a1237c/23fa5a6dea7b44c6a0b527c8ae994d3e [2022-12-15 00:20:07,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:20:07,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:20:07,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:20:07,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:20:07,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:20:07,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:07" (1/1) ... [2022-12-15 00:20:07,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200ab85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:07, skipping insertion in model container [2022-12-15 00:20:07,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:07" (1/1) ... [2022-12-15 00:20:07,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:20:08,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:20:08,277 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:20:08,568 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:20:08,572 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:08,574 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:08,575 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:08,576 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:08,592 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:20:08,597 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:20:08,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:20:08,606 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:20:08,620 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:20:08,652 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:20:08,653 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:08,654 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:08,655 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:08,656 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:08,659 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:20:08,661 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:20:08,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:20:08,743 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:20:08,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08 WrapperNode [2022-12-15 00:20:08,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:20:08,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:20:08,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:20:08,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:20:08,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,792 INFO L138 Inliner]: procedures = 500, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-12-15 00:20:08,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:20:08,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:20:08,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:20:08,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:20:08,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:20:08,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:20:08,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:20:08,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:20:08,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:08" (1/1) ... [2022-12-15 00:20:08,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:20:08,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:20:08,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:20:08,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:20:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:20:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:20:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 00:20:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-15 00:20:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-15 00:20:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:20:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:20:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:20:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-15 00:20:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:20:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:20:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:20:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:20:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:20:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:20:08,988 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:20:08,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:20:09,124 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:20:09,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:20:09,146 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:20:09,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:09 BoogieIcfgContainer [2022-12-15 00:20:09,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:20:09,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:20:09,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:20:09,156 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:20:09,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:09" (1/1) ... [2022-12-15 00:20:09,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:20:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2022-12-15 00:20:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-12-15 00:20:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:20:09,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:09,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:20:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:09,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-12-15 00:20:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-15 00:20:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:20:09,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:20:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2022-12-15 00:20:09,540 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2022-12-15 00:20:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:20:09,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:09,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:20:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:20:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:09,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2022-12-15 00:20:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-12-15 00:20:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:20:09,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:09,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:20:09,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:20:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:20:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:20:09,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:20:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:20:09,778 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-12-15 00:20:09,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:20:09 ImpRootNode [2022-12-15 00:20:09,811 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:20:09,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:20:09,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:20:09,812 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:20:09,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:09" (3/4) ... [2022-12-15 00:20:09,816 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-15 00:20:09,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:20:09,817 INFO L158 Benchmark]: Toolchain (without parser) took 1870.30ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 120.4MB in the end (delta: 18.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-12-15 00:20:09,817 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:20:09,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.13ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 120.5MB in the end (delta: 17.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2022-12-15 00:20:09,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.75ms. Allocated memory is still 176.2MB. Free memory was 120.5MB in the beginning and 117.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:20:09,819 INFO L158 Benchmark]: Boogie Preprocessor took 20.91ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 116.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:20:09,819 INFO L158 Benchmark]: RCFGBuilder took 334.36ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 99.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:20:09,820 INFO L158 Benchmark]: CodeCheck took 662.59ms. Allocated memory is still 176.2MB. Free memory was 99.6MB in the beginning and 121.5MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:20:09,820 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 120.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:20:09,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 86 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 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 - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible 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); [L1595] 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={5:0}] [L1414] COND TRUE line != ((void *)0) [L1595] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:12}, argv={18:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1596] CALL CWE191_Integer_Underflow__int_fgets_predec_12_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [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] [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrueOrFalse()=1, globalTrue=1] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] --data VAL [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 0.21ms. Allocated memory is still 96.5MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.13ms. Allocated memory is still 176.2MB. Free memory was 138.5MB in the beginning and 120.5MB in the end (delta: 17.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.75ms. Allocated memory is still 176.2MB. Free memory was 120.5MB in the beginning and 117.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.91ms. Allocated memory is still 176.2MB. Free memory was 117.5MB in the beginning and 116.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.36ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 99.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 662.59ms. Allocated memory is still 176.2MB. Free memory was 99.6MB in the beginning and 121.5MB in the end (delta: -21.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 120.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-15 00:20:09,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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 e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:20:11,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:20:11,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:20:11,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:20:11,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:20:11,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:20:11,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:20:11,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:20:11,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:20:11,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:20:11,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:20:11,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:20:11,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:20:11,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:20:11,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:20:11,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:20:11,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:20:11,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:20:11,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:20:11,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:20:11,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:20:11,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:20:11,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:20:11,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:20:11,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:20:11,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:20:11,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:20:11,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:20:11,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:20:11,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:20:11,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:20:11,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:20:11,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:20:11,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:20:11,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:20:11,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:20:11,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:20:11,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:20:11,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:20:11,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:20:11,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:20:11,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-12-15 00:20:11,814 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:20:11,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:20:11,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:20:11,815 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:20:11,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:20:11,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:20:11,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:20:11,816 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:20:11,816 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:20:11,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:20:11,817 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:20:11,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:20:11,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:20:11,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:20:11,818 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:20:11,818 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:20:11,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:20:11,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:20:11,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:20:11,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:20:11,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:20:11,820 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:20:11,820 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:20:11,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:20:11,820 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:20:11,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:20:11,831 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_bbb5ca24-098e-414f-8bcc-cb4398a846d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73bf75f10180290498e6c1b39666c57ea963b55df36220002e3474ff808070b [2022-12-15 00:20:12,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:20:12,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:20:12,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:20:12,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:20:12,111 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:20:12,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-12-15 00:20:14,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:20:15,008 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:20:15,009 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_12_bad.i [2022-12-15 00:20:15,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/67a7346a7/b0e5592cc9a04d66bc5a877622c9636d/FLAG343e742c7 [2022-12-15 00:20:15,032 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/data/67a7346a7/b0e5592cc9a04d66bc5a877622c9636d [2022-12-15 00:20:15,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:20:15,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:20:15,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:20:15,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:20:15,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:20:15,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791344d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15, skipping insertion in model container [2022-12-15 00:20:15,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:20:15,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:20:15,338 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:20:15,692 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:20:15,697 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:15,698 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:15,700 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:15,701 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:15,720 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:20:15,727 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:20:15,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:20:15,740 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:20:15,772 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:20:15,813 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:20:15,815 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:15,815 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:20:15,817 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:15,817 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:20:15,820 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-15 00:20:15,822 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:20:15,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:20:15,902 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:20:15,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15 WrapperNode [2022-12-15 00:20:15,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:20:15,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:20:15,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:20:15,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:20:15,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,953 INFO L138 Inliner]: procedures = 505, calls = 67, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-15 00:20:15,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:20:15,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:20:15,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:20:15,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:20:15,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:20:15,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:20:15,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:20:15,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:20:15,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:20:15" (1/1) ... [2022-12-15 00:20:15,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:20:16,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:20:16,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:20:16,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:20:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-15 00:20:16,038 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-12-15 00:20:16,038 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:20:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:20:16,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:20:16,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-15 00:20:16,171 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:20:16,173 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:20:16,310 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:20:16,346 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:20:16,346 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:20:16,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:16 BoogieIcfgContainer [2022-12-15 00:20:16,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:20:16,350 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:20:16,350 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:20:16,359 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:20:16,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:20:16" (1/1) ... [2022-12-15 00:20:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:20:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-12-15 00:20:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-15 00:20:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:20:16,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:16,449 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-15 00:20:16,453 INFO L158 Benchmark]: Toolchain (without parser) took 1416.80ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 77.2MB in the beginning and 88.9MB in the end (delta: -11.6MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,453 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:20:16,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.73ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 66.6MB in the end (delta: 10.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 63.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,455 INFO L158 Benchmark]: Boogie Preprocessor took 31.44ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,456 INFO L158 Benchmark]: RCFGBuilder took 363.98ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 95.2MB in the end (delta: -33.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,457 INFO L158 Benchmark]: CodeCheck took 101.14ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 88.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 00:20:16,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.73ms. Allocated memory is still 102.8MB. Free memory was 76.9MB in the beginning and 66.6MB in the end (delta: 10.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 102.8MB. Free memory was 66.6MB in the beginning and 63.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.44ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.98ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 95.2MB in the end (delta: -33.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 101.14ms. Allocated memory is still 123.7MB. Free memory was 95.2MB in the beginning and 88.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:20:16,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbb5ca24-098e-414f-8bcc-cb4398a846d7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared