./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_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_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/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_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/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_5605c135-c85b-42ae-9759-417968cadfd1/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 399a3ab37a4fa42205ae5d476d62de713e59717e6b2e3afe6b08417bb11f4e5b --- 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 17:27:20,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:20,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:20,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:20,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:20,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:20,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:20,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:20,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:20,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:20,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:20,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:20,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:20,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:20,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:20,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:20,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:20,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:20,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:20,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:20,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:20,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:20,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:20,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:20,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:20,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:20,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:20,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:20,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:20,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:20,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:20,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:20,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:20,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:20,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:20,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:20,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:20,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:20,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:20,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:20,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:20,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:27:20,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:20,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:20,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:20,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:20,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:20,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:20,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:20,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:27:20,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:27:20,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:20,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:20,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:20,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:20,530 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:27:20,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:20,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:20,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:20,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:20,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:20,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:20,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:20,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:20,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:20,532 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:20,532 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:27:20,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:27:20,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:20,533 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_5605c135-c85b-42ae-9759-417968cadfd1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 399a3ab37a4fa42205ae5d476d62de713e59717e6b2e3afe6b08417bb11f4e5b [2022-11-20 17:27:20,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:20,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:20,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:20,831 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:20,831 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:20,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_bad.i [2022-11-20 17:27:23,969 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:24,344 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:24,346 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_17_bad.i [2022-11-20 17:27:24,372 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/data/7d7c4f96c/4249ba749dad40d5864a92bac9c4f14f/FLAG91a7de5d6 [2022-11-20 17:27:24,391 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/data/7d7c4f96c/4249ba749dad40d5864a92bac9c4f14f [2022-11-20 17:27:24,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:24,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:24,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:24,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:24,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:24,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:24" (1/1) ... [2022-11-20 17:27:24,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffe86ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24, skipping insertion in model container [2022-11-20 17:27:24,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:24" (1/1) ... [2022-11-20 17:27:24,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:24,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:24,927 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:27:25,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:25,495 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:25,531 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:27:25,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:25,843 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:25,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25 WrapperNode [2022-11-20 17:27:25,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:25,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:25,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:25,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:25,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,937 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2022-11-20 17:27:25,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:25,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:25,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:25,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:25,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:25,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:26,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:26,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:26,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:26,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:25" (1/1) ... [2022-11-20 17:27:26,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:26,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:26,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:26,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:27:26,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:27:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:27:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:26,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:27:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:27:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:27:26,306 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:26,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:26,522 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:26,577 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:26,577 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:27:26,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26 BoogieIcfgContainer [2022-11-20 17:27:26,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:26,581 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:26,581 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:26,601 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:26,602 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26" (1/1) ... [2022-11-20 17:27:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:27:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 17:27:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 17:27:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:27:26,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:26,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,081 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 17:27:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2022-11-20 17:27:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 17:27:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:27:27,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,282 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 17:27:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2022-11-20 17:27:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 17:27:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:27:27,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-11-20 17:27:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-20 17:27:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:27:27,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:27:27,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 17:27:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 17:27:27,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:27:27,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:27:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 17:27:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:27:27,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:27:27,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:27,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:27:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:28,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:27:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:27:28,150 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-20 17:27:28,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:27:28 ImpRootNode [2022-11-20 17:27:28,185 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:27:28,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:27:28,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:27:28,186 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:27:28,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:26" (3/4) ... [2022-11-20 17:27:28,189 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 17:27:28,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:27:28,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:27:28,246 INFO L158 Benchmark]: Toolchain (without parser) took 3840.84ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 82.6MB in the beginning and 124.0MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:28,251 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:28,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.59ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 82.1MB in the beginning and 101.8MB in the end (delta: -19.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.94ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 98.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,254 INFO L158 Benchmark]: Boogie Preprocessor took 66.72ms. Allocated memory is still 163.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,254 INFO L158 Benchmark]: RCFGBuilder took 571.07ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 82.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,257 INFO L158 Benchmark]: CodeCheck took 1604.48ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 127.0MB in the end (delta: -45.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,258 INFO L158 Benchmark]: Witness Printer took 52.49ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 124.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:28,260 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, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 29 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/4 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: 1561]: 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); [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}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={40:13}, argv={40:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_multiply_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 0 VAL [data={10452:0}, 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 [L1553] i++ VAL [data={10452:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [data={10452:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1557] COND TRUE j < 1 [L1559] EXPR \read(data) VAL [\read(data)=-1073741825, data={10452:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1559] COND TRUE data < 0 [L1561] EXPR \read(data) VAL [\read(data)=-1073741825, data={10452:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] [L1561] data * 2 VAL [\read(data)=-1073741825, data={10452:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.59ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 82.1MB in the beginning and 101.8MB in the end (delta: -19.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.94ms. Allocated memory is still 163.6MB. Free memory was 101.8MB in the beginning and 98.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.72ms. Allocated memory is still 163.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.07ms. Allocated memory is still 163.6MB. Free memory was 96.7MB in the beginning and 82.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1604.48ms. Allocated memory is still 163.6MB. Free memory was 81.7MB in the beginning and 127.0MB in the end (delta: -45.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 52.49ms. Allocated memory is still 163.6MB. Free memory was 126.0MB in the beginning and 124.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 17:27:28,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5605c135-c85b-42ae-9759-417968cadfd1/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)