./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/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_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/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_ca716845-e079-4722-82d2-2edcef5a0723/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 ae725380ddcca35accb2c221fe3c0e874f871efa043277739550378a5dc71595 --- 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 22:22:45,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:22:45,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:22:45,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:22:45,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:22:45,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:22:45,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:22:45,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:22:45,326 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:22:45,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:22:45,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:22:45,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:22:45,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:22:45,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:22:45,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:22:45,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:22:45,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:22:45,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:22:45,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:22:45,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:22:45,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:22:45,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:22:45,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:22:45,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:22:45,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:22:45,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:22:45,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:22:45,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:22:45,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:22:45,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:22:45,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:22:45,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:22:45,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:22:45,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:22:45,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:22:45,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:22:45,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:22:45,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:22:45,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:22:45,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:22:45,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:22:45,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:22:45,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:22:45,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:22:45,437 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:22:45,438 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:22:45,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:22:45,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:22:45,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:22:45,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:22:45,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:22:45,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:22:45,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:22:45,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:22:45,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:22:45,441 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:22:45,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:22:45,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:22:45,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:22:45,442 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:22:45,442 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:22:45,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:22:45,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:22:45,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:22:45,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:22:45,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:22:45,444 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:22:45,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:22:45,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:22:45,444 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_ca716845-e079-4722-82d2-2edcef5a0723/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae725380ddcca35accb2c221fe3c0e874f871efa043277739550378a5dc71595 [2022-11-21 22:22:45,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:22:45,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:22:45,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:22:45,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:22:45,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:22:45,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i [2022-11-21 22:22:48,822 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:22:49,306 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:22:49,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i [2022-11-21 22:22:49,328 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/8bdf57b27/353a2a35d7504300befb0f3b71c77256/FLAGa02de3d15 [2022-11-21 22:22:49,421 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/8bdf57b27/353a2a35d7504300befb0f3b71c77256 [2022-11-21 22:22:49,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:22:49,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:22:49,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:22:49,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:22:49,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:22:49,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:49" (1/1) ... [2022-11-21 22:22:49,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f92bc0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:49, skipping insertion in model container [2022-11-21 22:22:49,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:49" (1/1) ... [2022-11-21 22:22:49,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:22:49,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:22:49,970 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:22:50,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:22:50,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:22:50,723 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:22:50,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:22:50,990 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:22:50,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50 WrapperNode [2022-11-21 22:22:50,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:22:50,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:22:50,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:22:50,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:22:51,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,064 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-11-21 22:22:51,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:22:51,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:22:51,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:22:51,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:22:51,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:22:51,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:22:51,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:22:51,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:22:51,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:50" (1/1) ... [2022-11-21 22:22:51,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:22:51,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:22:51,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:22:51,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:22:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:22:51,228 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:22:51,228 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:22:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:22:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:22:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:22:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:22:51,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:22:51,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:22:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:22:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:22:51,529 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:22:51,536 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:22:51,713 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:22:51,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:22:51,769 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:22:51,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:51 BoogieIcfgContainer [2022-11-21 22:22:51,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:22:51,773 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:22:51,773 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:22:51,784 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:22:51,784 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:51" (1/1) ... [2022-11-21 22:22:51,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:22:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-21 22:22:51,845 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 22:22:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:22:51,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:51,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:52,275 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 22:22:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:52,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2022-11-21 22:22:52,341 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-21 22:22:52,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 22:22:52,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:52,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:52,510 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 22:22:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-21 22:22:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 22:22:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 22:22:52,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:52,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:22:52,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2022-11-21 22:22:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-21 22:22:52,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:22:52,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:52,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:22:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 30 transitions. [2022-11-21 22:22:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-21 22:22:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 22:22:52,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:52,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:22:52,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:22:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:22:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 29 transitions. [2022-11-21 22:22:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-21 22:22:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:22:52,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:22:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:22:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:22:53,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:22:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:22:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:22:53,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:22:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:22:53,193 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-21 22:22:53,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:22:53 ImpRootNode [2022-11-21 22:22:53,233 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:22:53,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:22:53,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:22:53,234 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:22:53,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:51" (3/4) ... [2022-11-21 22:22:53,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 22:22:53,239 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:22:53,240 INFO L158 Benchmark]: Toolchain (without parser) took 3810.47ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 116.2MB in the beginning and 138.8MB in the end (delta: -22.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,240 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:22:53,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.39ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 100.6MB in the end (delta: 15.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.37ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 97.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,242 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,243 INFO L158 Benchmark]: RCFGBuilder took 654.00ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 109.6MB in the end (delta: -14.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,244 INFO L158 Benchmark]: CodeCheck took 1460.37ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 109.6MB in the beginning and 138.8MB in the end (delta: -29.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-11-21 22:22:53,244 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 182.5MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:22:53,248 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, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 6, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 65 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 6/7 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. 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); [L1579] 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) [L1579] RET printLine("Calling bad()...") VAL [\old(argc)=18, argc=18, argv={19:13}, argv={19:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_multiply_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553] i++ VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1567] j = 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1567] COND TRUE j < 1 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1569] COND TRUE data < 0 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1571] data * 2 VAL [data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.39ms. Allocated memory is still 151.0MB. Free memory was 116.0MB in the beginning and 100.6MB in the end (delta: 15.4MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.37ms. Allocated memory is still 151.0MB. Free memory was 100.6MB in the beginning and 97.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.23ms. Allocated memory is still 151.0MB. Free memory was 97.6MB in the beginning and 96.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.00ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 109.6MB in the end (delta: -14.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * CodeCheck took 1460.37ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 109.6MB in the beginning and 138.8MB in the end (delta: -29.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 182.5MB. Free memory is still 138.8MB. 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 22:22:53,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/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_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/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_ca716845-e079-4722-82d2-2edcef5a0723/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 ae725380ddcca35accb2c221fe3c0e874f871efa043277739550378a5dc71595 --- 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 22:22:55,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:22:55,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:22:55,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:22:55,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:22:55,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:22:55,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:22:55,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:22:55,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:22:55,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:22:55,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:22:55,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:22:55,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:22:55,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:22:55,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:22:55,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:22:55,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:22:55,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:22:55,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:22:55,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:22:55,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:22:55,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:22:55,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:22:56,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:22:56,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:22:56,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:22:56,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:22:56,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:22:56,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:22:56,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:22:56,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:22:56,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:22:56,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:22:56,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:22:56,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:22:56,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:22:56,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:22:56,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:22:56,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:22:56,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:22:56,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:22:56,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:22:56,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:22:56,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:22:56,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:22:56,071 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:22:56,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:22:56,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:22:56,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:22:56,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:22:56,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:22:56,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:22:56,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:22:56,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:22:56,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:22:56,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:22:56,075 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:22:56,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:22:56,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:22:56,075 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:22:56,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:22:56,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:22:56,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:22:56,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:22:56,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:22:56,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:22:56,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:22:56,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:22:56,077 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:22:56,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:22:56,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:22:56,078 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:22:56,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:22:56,078 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_ca716845-e079-4722-82d2-2edcef5a0723/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae725380ddcca35accb2c221fe3c0e874f871efa043277739550378a5dc71595 [2022-11-21 22:22:56,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:22:56,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:22:56,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:22:56,499 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:22:56,499 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:22:56,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i [2022-11-21 22:22:59,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:23:00,155 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:23:00,156 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_bad.i [2022-11-21 22:23:00,183 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/76ed34e95/085268db394f4fadbe4b4157358fb224/FLAGa6ae73ba8 [2022-11-21 22:23:00,201 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca716845-e079-4722-82d2-2edcef5a0723/bin/ukojak-jW3SillKbg/data/76ed34e95/085268db394f4fadbe4b4157358fb224 [2022-11-21 22:23:00,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:23:00,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:23:00,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:23:00,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:23:00,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:23:00,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:00" (1/1) ... [2022-11-21 22:23:00,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232c1299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:23:00, skipping insertion in model container [2022-11-21 22:23:00,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:23:00" (1/1) ... [2022-11-21 22:23:00,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:23:00,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:23:00,683 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:23:00,952 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 22:23:00,960 INFO L158 Benchmark]: Toolchain (without parser) took 751.68ms. Allocated memory is still 62.9MB. Free memory was 27.5MB in the beginning and 28.6MB in the end (delta: -1.0MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-21 22:23:00,961 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:23:00,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.55ms. Allocated memory is still 62.9MB. Free memory was 27.3MB in the beginning and 28.6MB in the end (delta: -1.2MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-21 22:23:00,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.55ms. Allocated memory is still 62.9MB. Free memory was 27.3MB in the beginning and 28.6MB in the end (delta: -1.2MB). Peak memory consumption was 4.6MB. 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.