./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_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_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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 cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 --- 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 12:23:06,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:23:06,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:23:06,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:23:06,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:23:06,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:23:06,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:23:06,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:23:06,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:23:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:23:06,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:23:06,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:23:06,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:23:06,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:23:06,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:23:06,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:23:06,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:23:06,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:23:06,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:23:06,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:23:06,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:23:06,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:23:06,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:23:06,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:23:06,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:23:06,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:23:06,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:23:06,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:23:06,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:23:06,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:23:06,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:23:06,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:23:06,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:23:06,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:23:06,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:23:06,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:23:06,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:23:06,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:23:06,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:23:06,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:23:06,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:23:06,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:23:06,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:23:06,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:23:06,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:23:06,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:23:06,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:23:06,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:23:06,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:23:06,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:23:06,485 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:23:06,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:23:06,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:23:06,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:23:06,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:23:06,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:23:06,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:23:06,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:23:06,487 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:23:06,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:23:06,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:23:06,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:23:06,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:23:06,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:23:06,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:23:06,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:23:06,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:23:06,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:23:06,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:23:06,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:23:06,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:23:06,491 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:23:06,491 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:23:06,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:23:06,492 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_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 [2022-11-20 12:23:06,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:23:06,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:23:06,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:23:06,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:23:06,827 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:23:06,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:09,894 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:23:10,286 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:23:10,289 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:10,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/2ca5c7b8c/21235fd1c3a04a658f9e2557314b81dc/FLAG7e41a95d2 [2022-11-20 12:23:10,335 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/2ca5c7b8c/21235fd1c3a04a658f9e2557314b81dc [2022-11-20 12:23:10,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:23:10,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:23:10,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:23:10,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:23:10,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:23:10,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:23:10" (1/1) ... [2022-11-20 12:23:10,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fe1f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:10, skipping insertion in model container [2022-11-20 12:23:10,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:23:10" (1/1) ... [2022-11-20 12:23:10,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:23:10,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:23:10,764 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:23:11,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:23:11,247 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:23:11,267 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:23:11,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:23:11,559 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:23:11,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11 WrapperNode [2022-11-20 12:23:11,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:23:11,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:23:11,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:23:11,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:23:11,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,647 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-20 12:23:11,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:23:11,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:23:11,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:23:11,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:23:11,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:23:11,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:23:11,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:23:11,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:23:11,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (1/1) ... [2022-11-20 12:23:11,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:23:11,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:23:11,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:23:11,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:23:11,803 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:23:11,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:23:11,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:23:11,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:23:11,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:23:12,094 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:23:12,096 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:23:12,313 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:23:12,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:23:12,320 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:23:12,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:12 BoogieIcfgContainer [2022-11-20 12:23:12,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:23:12,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:23:12,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:23:12,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:23:12,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:23:10" (1/3) ... [2022-11-20 12:23:12,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e977d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:23:12, skipping insertion in model container [2022-11-20 12:23:12,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:11" (2/3) ... [2022-11-20 12:23:12,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e977d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:23:12, skipping insertion in model container [2022-11-20 12:23:12,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:12" (3/3) ... [2022-11-20 12:23:12,331 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:12,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:23:12,353 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:23:12,428 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:23:12,436 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;@2602c67b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:23:12,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:23:12,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 12:23:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:23:12,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:23:12,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:23:12,455 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:23:12,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:23:12,463 INFO L85 PathProgramCache]: Analyzing trace with hash -152054014, now seen corresponding path program 1 times [2022-11-20 12:23:12,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:23:12,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84486497] [2022-11-20 12:23:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:23:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:23:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:23:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:23:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:23:12,820 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 12:23:12,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:23:12,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84486497] [2022-11-20 12:23:12,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84486497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:23:12,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:23:12,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:23:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483836164] [2022-11-20 12:23:12,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:23:12,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:23:12,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:23:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:23:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:23:12,875 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12:23:12,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:23:12,910 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2022-11-20 12:23:12,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:23:12,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2022-11-20 12:23:12,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:23:12,921 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:23:12,921 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 12:23:12,924 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 12:23:12,928 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 23 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:23:12,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:23:12,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 12:23:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 12:23:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 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 12:23:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-20 12:23:12,970 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-20 12:23:12,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:23:12,972 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-20 12:23:12,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12:23:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 12:23:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:23:12,974 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:23:12,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:23:12,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:23:12,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:23:12,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:23:12,976 INFO L85 PathProgramCache]: Analyzing trace with hash -104588099, now seen corresponding path program 1 times [2022-11-20 12:23:12,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:23:12,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899710327] [2022-11-20 12:23:12,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:23:12,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:23:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:23:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:23:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:23:13,083 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 12:23:13,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:23:13,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899710327] [2022-11-20 12:23:13,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899710327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:23:13,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:23:13,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:23:13,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531831540] [2022-11-20 12:23:13,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:23:13,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:23:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:23:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:23:13,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:23:13,088 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 12:23:13,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:23:13,096 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-20 12:23:13,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:23:13,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-20 12:23:13,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:23:13,098 INFO L225 Difference]: With dead ends: 17 [2022-11-20 12:23:13,098 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 12:23:13,099 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 12:23:13,100 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:23:13,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:23:13,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 12:23:13,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 12:23:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 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 12:23:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-20 12:23:13,106 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-20 12:23:13,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:23:13,107 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-20 12:23:13,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 12:23:13,107 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 12:23:13,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:23:13,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:23:13,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:23:13,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:23:13,109 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:23:13,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:23:13,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1052736290, now seen corresponding path program 1 times [2022-11-20 12:23:13,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:23:13,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344943416] [2022-11-20 12:23:13,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:23:13,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:23:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:23:13,136 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:23:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:23:13,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:23:13,183 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:23:13,184 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 12:23:13,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 12:23:13,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:23:13,199 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:23:13,204 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:23:13,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:23:13 BoogieIcfgContainer [2022-11-20 12:23:13,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:23:13,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:23:13,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:23:13,248 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:23:13,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:12" (3/4) ... [2022-11-20 12:23:13,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:23:13,252 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:23:13,253 INFO L158 Benchmark]: Toolchain (without parser) took 2912.61ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 94.5MB in the beginning and 120.1MB in the end (delta: -25.6MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,254 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 140.5MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:23:13,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1216.07ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 94.2MB in the beginning and 123.8MB in the end (delta: -29.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.80ms. Allocated memory is still 192.9MB. Free memory was 123.8MB in the beginning and 121.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,256 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 192.9MB. Free memory was 121.4MB in the beginning and 119.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,257 INFO L158 Benchmark]: RCFGBuilder took 615.08ms. Allocated memory is still 192.9MB. Free memory was 119.6MB in the beginning and 106.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,257 INFO L158 Benchmark]: TraceAbstraction took 922.16ms. Allocated memory is still 192.9MB. Free memory was 105.8MB in the beginning and 121.2MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:23:13,258 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 192.9MB. Free memory was 121.2MB in the beginning and 120.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:23:13,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 140.5MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1216.07ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 94.2MB in the beginning and 123.8MB in the end (delta: -29.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.80ms. Allocated memory is still 192.9MB. Free memory was 123.8MB in the beginning and 121.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 192.9MB. Free memory was 121.4MB in the beginning and 119.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.08ms. Allocated memory is still 192.9MB. Free memory was 119.6MB in the beginning and 106.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 922.16ms. Allocated memory is still 192.9MB. Free memory was 105.8MB in the beginning and 121.2MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 192.9MB. Free memory was 121.2MB in the beginning and 120.1MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticFive = 5; VAL [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] [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [\old(argc)=1073741828, argc=1073741828, argv={1073741826:1073741830}, argv={1073741826:1073741830}, 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] [L1579] CALL CWE191_Integer_Underflow__int_fgets_sub_07_bad() [L1551] int data; [L1552] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1553] COND TRUE staticFive==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1567] COND TRUE staticFive==5 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1570] data - 1 VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] - UnprovableResult [Line: 1570]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 41 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:23:13,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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 cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 --- 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 12:23:15,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:23:15,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:23:15,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:23:15,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:23:15,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:23:15,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:23:15,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:23:15,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:23:15,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:23:15,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:23:15,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:23:15,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:23:15,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:23:15,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:23:15,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:23:15,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:23:15,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:23:15,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:23:15,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:23:15,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:23:15,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:23:15,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:23:15,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:23:15,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:23:16,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:23:16,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:23:16,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:23:16,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:23:16,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:23:16,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:23:16,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:23:16,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:23:16,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:23:16,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:23:16,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:23:16,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:23:16,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:23:16,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:23:16,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:23:16,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:23:16,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 12:23:16,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:23:16,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:23:16,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:23:16,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:23:16,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:23:16,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:23:16,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:23:16,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:23:16,063 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:23:16,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:23:16,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:23:16,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:23:16,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:23:16,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:23:16,064 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:23:16,065 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:23:16,065 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:23:16,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:23:16,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:23:16,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:23:16,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:23:16,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:23:16,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:23:16,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:23:16,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:23:16,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:23:16,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:23:16,067 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:23:16,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:23:16,068 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:23:16,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:23:16,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:23:16,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:23:16,069 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8f7b9cbcabfb13547277a41f369f2496b842cfb5d3e1a1eacdab3a7b2fa9c8 [2022-11-20 12:23:16,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:23:16,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:23:16,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:23:16,451 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:23:16,452 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:23:16,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:19,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:23:20,091 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:23:20,092 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:20,130 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/0f316c76b/1c169a76f93c4f4090f8f3703e1735dc/FLAGa40eb6c7d [2022-11-20 12:23:20,144 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/data/0f316c76b/1c169a76f93c4f4090f8f3703e1735dc [2022-11-20 12:23:20,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:23:20,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:23:20,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:23:20,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:23:20,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:23:20,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:23:20" (1/1) ... [2022-11-20 12:23:20,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29dbbb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:20, skipping insertion in model container [2022-11-20 12:23:20,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:23:20" (1/1) ... [2022-11-20 12:23:20,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:23:20,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:23:20,680 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:23:21,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:23:21,703 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:23:21,737 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:23:21,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:23:21,963 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:23:21,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21 WrapperNode [2022-11-20 12:23:21,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:23:21,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:23:21,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:23:21,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:23:21,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,027 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2022-11-20 12:23:22,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:23:22,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:23:22,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:23:22,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:23:22,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:23:22,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:23:22,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:23:22,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:23:22,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (1/1) ... [2022-11-20 12:23:22,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:23:22,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:23:22,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:23:22,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:23:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:23:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:23:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:23:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:23:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:23:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:23:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:23:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:23:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:23:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:23:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:23:22,307 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:23:22,310 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:23:22,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:23:22,475 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:23:22,476 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:23:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:22 BoogieIcfgContainer [2022-11-20 12:23:22,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:23:22,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:23:22,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:23:22,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:23:22,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:23:20" (1/3) ... [2022-11-20 12:23:22,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fa86b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:23:22, skipping insertion in model container [2022-11-20 12:23:22,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:23:21" (2/3) ... [2022-11-20 12:23:22,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fa86b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:23:22, skipping insertion in model container [2022-11-20 12:23:22,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:22" (3/3) ... [2022-11-20 12:23:22,503 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_07_bad.i [2022-11-20 12:23:22,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:23:22,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 12:23:22,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61fa86b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:23:22, skipping insertion in model container [2022-11-20 12:23:22,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:23:22,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:23:22,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:23:22,564 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:23:22,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:23:22" (3/3) ... [2022-11-20 12:23:22,568 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:23:22,576 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:23:22,580 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 12:23:22,581 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:23:22,581 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:23:22,581 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:23:22,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:23:22,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:23:22,649 INFO L158 Benchmark]: Toolchain (without parser) took 2498.31ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 63.1MB in the end (delta: 4.2MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,650 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:23:22,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1812.99ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 57.1MB in the end (delta: 10.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.52ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 54.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,656 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,656 INFO L158 Benchmark]: RCFGBuilder took 414.24ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 38.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,657 INFO L158 Benchmark]: TraceAbstraction took 69.08ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:23:22,658 INFO L158 Benchmark]: Witness Printer took 83.28ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 63.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:23:22,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1812.99ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 57.1MB in the end (delta: 10.0MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.52ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 54.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.24ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 38.8MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 69.08ms. Allocated memory is still 92.3MB. Free memory was 37.7MB in the beginning and 36.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.28ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 63.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 12:23:22,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee2c0bb-a464-4f11-b1f2-452377cafbc7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE