./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_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_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 620bd8ec3d6a1101156a7951909b7da88316bda550aca8e8b003d7f529d72bd7 --- 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 11:45:56,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:45:56,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:45:56,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:45:56,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:45:56,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:45:56,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:45:56,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:45:56,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:45:56,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:45:56,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:45:56,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:45:56,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:45:56,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:45:56,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:45:56,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:45:56,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:45:56,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:45:56,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:45:56,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:45:56,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:45:56,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:45:56,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:45:56,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:45:56,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:45:56,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:45:56,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:45:56,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:45:56,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:45:56,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:45:56,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:45:56,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:45:56,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:45:56,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:45:56,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:45:56,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:45:56,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:45:56,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:45:56,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:45:56,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:45:56,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:45:56,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 11:45:56,498 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:45:56,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:45:56,499 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:45:56,499 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:45:56,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:45:56,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:45:56,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:45:56,502 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:45:56,503 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:45:56,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:45:56,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:45:56,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:45:56,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:45:56,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:45:56,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:45:56,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:45:56,505 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:45:56,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:45:56,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:45:56,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:45:56,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:45:56,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:45:56,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:45:56,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:45:56,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:45:56,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:45:56,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:45:56,509 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:45:56,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:45:56,509 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:45:56,510 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:45:56,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:45:56,510 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_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 620bd8ec3d6a1101156a7951909b7da88316bda550aca8e8b003d7f529d72bd7 [2022-11-20 11:45:56,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:45:56,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:45:56,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:45:56,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:45:56,884 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:45:56,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_bad.i [2022-11-20 11:46:00,380 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:46:00,773 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:46:00,773 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_41_bad.i [2022-11-20 11:46:00,803 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/data/f8eec59ee/d4dbc1d34dd04fe6873ad15634bc78ff/FLAG07c00eef4 [2022-11-20 11:46:00,821 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/data/f8eec59ee/d4dbc1d34dd04fe6873ad15634bc78ff [2022-11-20 11:46:00,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:46:00,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:46:00,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:46:00,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:46:00,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:46:00,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:00" (1/1) ... [2022-11-20 11:46:00,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6abc4581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:00, skipping insertion in model container [2022-11-20 11:46:00,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:46:00" (1/1) ... [2022-11-20 11:46:00,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:46:00,909 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:46:01,356 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:46:02,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:46:02,205 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:46:02,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 11:46:02,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:46:02,448 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:46:02,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02 WrapperNode [2022-11-20 11:46:02,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:46:02,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:46:02,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:46:02,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:46:02,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,522 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 45 [2022-11-20 11:46:02,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:46:02,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:46:02,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:46:02,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:46:02,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:46:02,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:46:02,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:46:02,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:46:02,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (1/1) ... [2022-11-20 11:46:02,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:46:02,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:46:02,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:46:02,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:46:02,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 11:46:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 11:46:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:46:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:46:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:46:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:46:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:46:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:46:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 11:46:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:46:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:46:02,918 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:46:02,921 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:46:03,180 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:46:03,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:46:03,187 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:46:03,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:46:03 BoogieIcfgContainer [2022-11-20 11:46:03,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:46:03,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:46:03,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:46:03,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:46:03,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:46:00" (1/3) ... [2022-11-20 11:46:03,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171d44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:46:03, skipping insertion in model container [2022-11-20 11:46:03,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:46:02" (2/3) ... [2022-11-20 11:46:03,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@171d44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:46:03, skipping insertion in model container [2022-11-20 11:46:03,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:46:03" (3/3) ... [2022-11-20 11:46:03,218 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_41_bad.i [2022-11-20 11:46:03,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:46:03,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 11:46:03,302 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:46:03,310 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55ffd6d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:46:03,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 11:46:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 11:46:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 11:46:03,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:03,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:46:03,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 11:46:03,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:03,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2022-11-20 11:46:03,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:46:03,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298544958] [2022-11-20 11:46:03,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:46:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:46:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:46:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:46:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:46:03,839 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 11:46:03,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:46:03,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298544958] [2022-11-20 11:46:03,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298544958] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:46:03,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:46:03,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:46:03,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954590613] [2022-11-20 11:46:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:46:03,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:46:03,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:46:03,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:46:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:03,900 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:46:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:46:03,983 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2022-11-20 11:46:03,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:46:03,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-20 11:46:03,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:46:04,025 INFO L225 Difference]: With dead ends: 28 [2022-11-20 11:46:04,025 INFO L226 Difference]: Without dead ends: 12 [2022-11-20 11:46:04,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:04,033 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 9 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:46:04,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 42 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:46:04,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-20 11:46:04,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-20 11:46:04,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:46:04,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 11:46:04,089 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2022-11-20 11:46:04,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:04,091 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 11:46:04,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:46:04,092 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 11:46:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 11:46:04,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:04,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:46:04,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:46:04,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 11:46:04,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:04,097 INFO L85 PathProgramCache]: Analyzing trace with hash 51470816, now seen corresponding path program 1 times [2022-11-20 11:46:04,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:46:04,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982256843] [2022-11-20 11:46:04,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:46:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:46:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:46:04,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:46:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:46:04,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:46:04,244 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:46:04,246 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 11:46:04,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 11:46:04,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:46:04,260 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 11:46:04,266 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:46:04,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:46:04 BoogieIcfgContainer [2022-11-20 11:46:04,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:46:04,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:46:04,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:46:04,315 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:46:04,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:46:03" (3/4) ... [2022-11-20 11:46:04,318 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 11:46:04,362 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:46:04,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:46:04,363 INFO L158 Benchmark]: Toolchain (without parser) took 3536.41ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 84.6MB in the beginning and 121.9MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:46:04,363 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:46:04,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.23ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 100.9MB in the end (delta: -16.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-20 11:46:04,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.83ms. Allocated memory is still 169.9MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:46:04,365 INFO L158 Benchmark]: Boogie Preprocessor took 52.81ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:46:04,366 INFO L158 Benchmark]: RCFGBuilder took 612.62ms. Allocated memory is still 169.9MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 11:46:04,366 INFO L158 Benchmark]: TraceAbstraction took 1104.81ms. Allocated memory is still 169.9MB. Free memory was 83.1MB in the beginning and 124.0MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:46:04,367 INFO L158 Benchmark]: Witness Printer took 47.54ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 121.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:46:04,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.23ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 100.9MB in the end (delta: -16.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.83ms. Allocated memory is still 169.9MB. Free memory was 100.9MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.81ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 96.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.62ms. Allocated memory is still 169.9MB. Free memory was 96.7MB in the beginning and 84.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1104.81ms. Allocated memory is still 169.9MB. Free memory was 83.1MB in the beginning and 124.0MB in the end (delta: -40.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.54ms. Allocated memory is still 169.9MB. Free memory was 124.0MB in the beginning and 121.9MB 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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1552]: 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); VAL [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 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) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=1073741829, argc=1073741829, argv={1073741827:1073741830}, argv={1073741827:1073741830}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1561] EXPR \read(data) [L1561] CALL badSink(data) [L1550] COND TRUE data < 0 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [\old(data)=-1073741825, data=-1073741825, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 11:46:04,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a92b1b-831d-474b-83ca-eeb3227a5d62/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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)