./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/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_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/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_52d216aa-2829-447e-aad5-987b5c16c468/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 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 --- 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 17:29:41,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:29:41,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:29:41,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:29:41,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:29:41,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:29:41,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:29:41,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:29:41,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:29:41,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:29:41,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:29:41,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:29:41,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:29:41,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:29:41,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:29:41,362 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:29:41,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:29:41,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:29:41,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:29:41,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:29:41,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:29:41,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:29:41,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:29:41,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:29:41,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:29:41,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:29:41,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:29:41,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:29:41,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:29:41,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:29:41,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:29:41,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:29:41,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:29:41,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:29:41,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:29:41,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:29:41,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:29:41,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:29:41,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:29:41,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:29:41,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:29:41,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:29:41,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:29:41,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:29:41,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:29:41,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:29:41,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:29:41,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:29:41,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:29:41,440 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:29:41,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:29:41,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:29:41,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:29:41,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:29:41,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:29:41,443 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:29:41,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:29:41,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:29:41,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:29:41,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:29:41,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:29:41,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:29:41,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:41,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:29:41,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:29:41,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:29:41,446 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:29:41,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:29:41,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:29:41,446 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_52d216aa-2829-447e-aad5-987b5c16c468/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3568b16a81f397e99135b20dc468a26987ea2fc03698d991b2e3b913887c32c0 [2022-11-20 17:29:41,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:29:41,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:29:41,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:29:41,736 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:29:41,737 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:29:41,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i [2022-11-20 17:29:44,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:29:45,114 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:29:45,115 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_07_bad.i [2022-11-20 17:29:45,149 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/data/65d1e6cc8/095d4bcfc8e34d6397727f57a507cf70/FLAGb85fb5dd8 [2022-11-20 17:29:45,173 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/data/65d1e6cc8/095d4bcfc8e34d6397727f57a507cf70 [2022-11-20 17:29:45,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:29:45,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:29:45,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:45,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:29:45,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:29:45,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:45" (1/1) ... [2022-11-20 17:29:45,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8c481e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:45, skipping insertion in model container [2022-11-20 17:29:45,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:45" (1/1) ... [2022-11-20 17:29:45,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:29:45,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:29:45,684 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:29:46,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:46,324 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:29:46,364 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:29:46,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:46,643 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:29:46,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46 WrapperNode [2022-11-20 17:29:46,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:46,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:46,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:29:46,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:29:46,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,706 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2022-11-20 17:29:46,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:46,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:29:46,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:29:46,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:29:46,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:29:46,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:29:46,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:29:46,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:29:46,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:46" (1/1) ... [2022-11-20 17:29:46,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:46,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:29:46,784 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:29:46,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:29:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:29:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:29:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:29:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:29:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:29:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:29:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:29:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:29:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:29:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:29:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:29:47,136 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:29:47,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:29:47,306 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:29:47,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:29:47,353 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:29:47,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:47 BoogieIcfgContainer [2022-11-20 17:29:47,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:29:47,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:29:47,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:29:47,368 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:29:47,369 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:47" (1/1) ... [2022-11-20 17:29:47,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:29:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:47,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-11-20 17:29:47,442 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-20 17:29:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:29:47,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:47,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:48,038 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 17:29:48,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:48,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 14 transitions. [2022-11-20 17:29:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:29:48,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:29:48,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:29:48,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:29:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:29:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:29:48,309 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:29:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:29:48,345 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-11-20 17:29:48,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:29:48 ImpRootNode [2022-11-20 17:29:48,395 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:29:48,395 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:29:48,395 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:29:48,396 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:29:48,396 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:47" (3/4) ... [2022-11-20 17:29:48,398 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:29:48,440 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:29:48,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:29:48,441 INFO L158 Benchmark]: Toolchain (without parser) took 3260.45ms. Allocated memory is still 188.7MB. Free memory was 152.8MB in the beginning and 77.2MB in the end (delta: 75.6MB). Peak memory consumption was 75.7MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,441 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:48,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.13ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 142.2MB in the end (delta: 10.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.03ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,442 INFO L158 Benchmark]: Boogie Preprocessor took 35.09ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:48,443 INFO L158 Benchmark]: RCFGBuilder took 607.42ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 122.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,444 INFO L158 Benchmark]: CodeCheck took 1038.10ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 80.3MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,444 INFO L158 Benchmark]: Witness Printer took 44.96ms. Allocated memory is still 188.7MB. Free memory was 80.3MB in the beginning and 77.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:29:48,447 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 15 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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: 1560]: 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); [L1548] static int staticFive = 5; [L1569] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=19, argc=19, argv={18:14}, argv={18:14}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_postdec_07_bad() [L1551] int data; [L1552] data = 0 [L1553] COND TRUE staticFive==5 [L1557] COND TRUE staticFive==5 [L1560] EXPR \read(data) [L1560] data-- VAL [\read(data)=-2147483648, data={283:0}, data--=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 134.2MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.13ms. Allocated memory is still 188.7MB. Free memory was 152.2MB in the beginning and 142.2MB in the end (delta: 10.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.03ms. Allocated memory is still 188.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.09ms. Allocated memory is still 188.7MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.42ms. Allocated memory is still 188.7MB. Free memory was 136.9MB in the beginning and 122.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1038.10ms. Allocated memory is still 188.7MB. Free memory was 122.3MB in the beginning and 80.3MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 44.96ms. Allocated memory is still 188.7MB. Free memory was 80.3MB in the beginning and 77.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:29:48,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d216aa-2829-447e-aad5-987b5c16c468/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)