./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg --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 bdb3f1d928f38d633659ac00e7313dc56276d592e1902c594e25eae6faa15a05 --- 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-b5237d8 [2022-11-21 22:19:52,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:19:52,530 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:19:52,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:19:52,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:19:52,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:19:52,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:19:52,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:19:52,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:19:52,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:19:52,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:19:52,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:19:52,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:19:52,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:19:52,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:19:52,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:19:52,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:19:52,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:19:52,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:19:52,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:19:52,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:19:52,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:19:52,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:19:52,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:19:52,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:19:52,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:19:52,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:19:52,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:19:52,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:19:52,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:19:52,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:19:52,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:19:52,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:19:52,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:19:52,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:19:52,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:19:52,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:19:52,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:19:52,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:19:52,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:19:52,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:19:52,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:19:52,618 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:19:52,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:19:52,619 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:19:52,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:19:52,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:19:52,621 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:19:52,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:19:52,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:19:52,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:19:52,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:19:52,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:19:52,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:19:52,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:19:52,623 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:19:52,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:19:52,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:19:52,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:19:52,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:19:52,624 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:19:52,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:19:52,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:19:52,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:19:52,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:19:52,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:19:52,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:19:52,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:19:52,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:19:52,627 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_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb3f1d928f38d633659ac00e7313dc56276d592e1902c594e25eae6faa15a05 [2022-11-21 22:19:52,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:19:52,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:19:52,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:19:52,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:19:52,958 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:19:52,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i [2022-11-21 22:19:56,133 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:19:56,548 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:19:56,548 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i [2022-11-21 22:19:56,574 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/c51a21a4b/744baf8aa5fa4c9285228f46e852e8bb/FLAG65e041c41 [2022-11-21 22:19:56,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/c51a21a4b/744baf8aa5fa4c9285228f46e852e8bb [2022-11-21 22:19:56,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:19:56,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:19:56,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:19:56,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:19:56,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:19:56,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:56" (1/1) ... [2022-11-21 22:19:56,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c172f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:56, skipping insertion in model container [2022-11-21 22:19:56,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:19:56" (1/1) ... [2022-11-21 22:19:56,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:19:56,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:19:57,086 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:19:57,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:19:57,742 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:19:57,774 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:19:57,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:19:58,033 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:19:58,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58 WrapperNode [2022-11-21 22:19:58,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:19:58,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:19:58,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:19:58,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:19:58,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,112 INFO L138 Inliner]: procedures = 501, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-21 22:19:58,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:19:58,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:19:58,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:19:58,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:19:58,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:19:58,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:19:58,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:19:58,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:19:58,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:19:58,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:19:58,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:19:58,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:19:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:19:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:19:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:19:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:19:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:19:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:19:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:19:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:19:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:19:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:19:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:19:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:19:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:19:58,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:19:58,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:19:58,598 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:19:58,636 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:19:58,636 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:19:58,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:58 BoogieIcfgContainer [2022-11-21 22:19:58,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:19:58,640 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:19:58,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:19:58,650 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:19:58,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:58" (1/1) ... [2022-11-21 22:19:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:19:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-11-21 22:19:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-11-21 22:19:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:19:58,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:58,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:19:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:19:59,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:19:59,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-11-21 22:19:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-21 22:19:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:19:59,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:19:59,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:19:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:19:59,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:19:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:19:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:19:59,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:19:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:19:59,777 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-21 22:19:59,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:19:59 ImpRootNode [2022-11-21 22:19:59,826 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:19:59,827 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:19:59,827 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:19:59,827 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:19:59,828 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:19:58" (3/4) ... [2022-11-21 22:19:59,831 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:19:59,831 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:19:59,832 INFO L158 Benchmark]: Toolchain (without parser) took 3233.35ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 84.1MB in the end (delta: 69.3MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,833 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:19:59,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.97ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 162.7MB in the end (delta: -9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.51ms. Allocated memory is still 201.3MB. Free memory was 162.7MB in the beginning and 159.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,835 INFO L158 Benchmark]: Boogie Preprocessor took 25.69ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,835 INFO L158 Benchmark]: RCFGBuilder took 499.53ms. Allocated memory is still 201.3MB. Free memory was 157.5MB in the beginning and 141.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,836 INFO L158 Benchmark]: CodeCheck took 1186.42ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 85.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2022-11-21 22:19:59,837 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 201.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:19:59,839 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - UnprovableResult [Line: 1580]: 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=51, argc=51, argv={50:13}, argv={50:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fgets_postdec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [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)] = ""; [L1565] dataArray[2] = data [L1566] CALL CWE191_Integer_Underflow__int_fgets_postdec_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data-- VAL [data=-2147483648, data--=-2147483648, dataArray={10453:0}, dataArray={10453:0}, 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 1.17ms. Allocated memory is still 132.1MB. Free memory was 73.8MB in the beginning and 73.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.97ms. Allocated memory is still 201.3MB. Free memory was 153.3MB in the beginning and 162.7MB in the end (delta: -9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.51ms. Allocated memory is still 201.3MB. Free memory was 162.7MB in the beginning and 159.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.69ms. Allocated memory is still 201.3MB. Free memory was 159.5MB in the beginning and 157.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.53ms. Allocated memory is still 201.3MB. Free memory was 157.5MB in the beginning and 141.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1186.42ms. Allocated memory is still 201.3MB. Free memory was 141.7MB in the beginning and 85.1MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 201.3MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 22:19:59,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg --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 bdb3f1d928f38d633659ac00e7313dc56276d592e1902c594e25eae6faa15a05 --- 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-b5237d8 [2022-11-21 22:20:02,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:20:02,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:20:02,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:20:02,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:20:02,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:20:02,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:20:02,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:20:02,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:20:02,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:20:02,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:20:02,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:20:02,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:20:02,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:20:02,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:20:02,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:20:02,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:20:02,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:20:02,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:20:02,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:20:02,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:20:02,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:20:02,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:20:02,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:20:02,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:20:02,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:20:02,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:20:02,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:20:02,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:20:02,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:20:02,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:20:02,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:20:02,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:20:02,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:20:02,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:20:02,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:20:02,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:20:02,402 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:20:02,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:20:02,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:20:02,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:20:02,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:20:02,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:20:02,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:20:02,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:20:02,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:20:02,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:20:02,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:20:02,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:20:02,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:20:02,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:20:02,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:20:02,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:20:02,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:20:02,454 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:20:02,454 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:20:02,455 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:20:02,455 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:20:02,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:20:02,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:20:02,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:20:02,456 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:20:02,456 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:20:02,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:20:02,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:20:02,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:20:02,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:20:02,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:20:02,458 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:20:02,458 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:20:02,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:20:02,459 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:20:02,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:20:02,460 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_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb3f1d928f38d633659ac00e7313dc56276d592e1902c594e25eae6faa15a05 [2022-11-21 22:20:02,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:20:02,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:20:02,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:20:02,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:20:02,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:20:02,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i [2022-11-21 22:20:05,993 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:20:06,378 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:20:06,379 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_66_bad.i [2022-11-21 22:20:06,408 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/b636e65b1/c9f8330fba61417ba8b3dd4fe3c7461f/FLAG9299863ec [2022-11-21 22:20:06,426 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8368a19-5f02-4f3f-b044-f5425bc210b3/bin/ukojak-jW3SillKbg/data/b636e65b1/c9f8330fba61417ba8b3dd4fe3c7461f [2022-11-21 22:20:06,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:20:06,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:20:06,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:20:06,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:20:06,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:20:06,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:06" (1/1) ... [2022-11-21 22:20:06,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc6eb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:20:06, skipping insertion in model container [2022-11-21 22:20:06,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:20:06" (1/1) ... [2022-11-21 22:20:06,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:20:06,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:20:06,900 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:20:07,152 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2022-11-21 22:20:07,160 INFO L158 Benchmark]: Toolchain (without parser) took 729.04ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 45.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:20:07,164 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:20:07,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.66ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 45.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:20:07,166 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.66ms. Allocated memory is still 83.9MB. Free memory was 60.8MB in the beginning and 45.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.