./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ --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 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- 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-6b4ec56 [2022-11-20 17:12:04,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:12:04,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:12:04,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:12:04,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:12:04,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:12:04,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:12:04,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:12:04,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:12:04,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:12:04,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:12:04,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:12:04,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:12:04,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:12:04,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:12:04,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:12:04,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:12:04,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:12:04,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:12:04,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:12:04,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:12:04,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:12:04,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:12:04,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:12:04,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:12:04,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:12:04,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:12:04,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:12:04,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:12:04,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:12:04,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:12:04,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:12:04,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:12:04,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:12:04,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:12:04,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:12:04,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:12:04,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:12:04,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:12:04,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:12:04,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:12:04,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:12:04,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:12:04,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:12:04,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:12:04,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:12:04,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:12:04,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:12:04,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:12:04,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:12:04,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:12:04,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:12:04,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:12:04,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:12:04,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:12:04,889 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:12:04,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:12:04,889 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:12:04,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:12:04,890 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:12:04,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:12:04,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:12:04,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:04,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:12:04,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:12:04,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:12:04,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:12:04,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:12:04,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:12:04,892 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_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2022-11-20 17:12:05,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:12:05,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:12:05,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:12:05,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:12:05,266 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:12:05,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2022-11-20 17:12:08,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:12:08,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:12:08,722 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2022-11-20 17:12:08,751 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/data/ca6d5c465/544b95e0af0c41fbb157ca3bd00a0023/FLAG5872790ad [2022-11-20 17:12:08,775 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/data/ca6d5c465/544b95e0af0c41fbb157ca3bd00a0023 [2022-11-20 17:12:08,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:12:08,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:12:08,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:08,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:12:08,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:12:08,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:08" (1/1) ... [2022-11-20 17:12:08,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae0a1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:08, skipping insertion in model container [2022-11-20 17:12:08,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:08" (1/1) ... [2022-11-20 17:12:08,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:12:08,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:12:09,264 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:12:09,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:09,808 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:12:09,830 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:12:09,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:10,100 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:12:10,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10 WrapperNode [2022-11-20 17:12:10,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:10,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:10,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:12:10,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:12:10,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,190 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-20 17:12:10,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:10,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:12:10,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:12:10,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:12:10,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:12:10,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:12:10,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:12:10,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:12:10,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:12:10,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:12:10,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:12:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:12:10,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:12:10,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:12:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:12:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:12:10,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:12:10,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:12:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:12:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:12:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:12:10,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:12:10,492 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:12:10,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:12:10,753 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:12:10,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:12:10,822 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:12:10,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:10 BoogieIcfgContainer [2022-11-20 17:12:10,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:12:10,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:12:10,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:12:10,845 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:12:10,845 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:10" (1/1) ... [2022-11-20 17:12:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:12:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 17:12:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 17:12:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:12:10,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:10,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:11,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:11,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-11-20 17:12:11,531 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-11-20 17:12:11,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:12:11,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:11,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:12:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:11,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:12:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:12:11,754 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:12:11,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:12:11 ImpRootNode [2022-11-20 17:12:11,793 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:12:11,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:12:11,794 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:12:11,795 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:12:11,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:10" (3/4) ... [2022-11-20 17:12:11,797 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:12:11,837 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:12:11,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:12:11,838 INFO L158 Benchmark]: Toolchain (without parser) took 3055.93ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 51.1MB in the end (delta: 41.2MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,839 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 102.8MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:11,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.93ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 74.9MB in the end (delta: 17.3MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.45ms. Allocated memory is still 132.1MB. Free memory was 74.9MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,840 INFO L158 Benchmark]: Boogie Preprocessor took 61.05ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,841 INFO L158 Benchmark]: RCFGBuilder took 577.64ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 54.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,841 INFO L158 Benchmark]: CodeCheck took 961.96ms. Allocated memory is still 132.1MB. Free memory was 53.4MB in the beginning and 53.2MB in the end (delta: 221.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:11,842 INFO L158 Benchmark]: Witness Printer took 43.60ms. Allocated memory is still 132.1MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:11,844 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 - CounterExampleResult [Line: 1573]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=16, argc=16, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={2450:0}, unknown-#in~myStruct!structFirst-unknown=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 102.8MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.93ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 74.9MB in the end (delta: 17.3MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.45ms. Allocated memory is still 132.1MB. Free memory was 74.9MB in the beginning and 71.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.05ms. Allocated memory is still 132.1MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.64ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 54.0MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 961.96ms. Allocated memory is still 132.1MB. Free memory was 53.4MB in the beginning and 53.2MB in the end (delta: 221.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 43.60ms. Allocated memory is still 132.1MB. Free memory was 53.2MB in the beginning and 51.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:12:11,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f041664b-78c3-4fdd-ab83-5ff582418d5d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)