./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_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_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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_50423a73-9798-41b7-a6b1-93a3826ffa9e/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 19f771f105ae7d9054a8f880602bab6c07dc6a2f5208d8e293e172fe35f168aa --- 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 12:39:07,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:39:07,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:39:07,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:39:07,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:39:07,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:39:07,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:39:07,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:39:07,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:39:07,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:39:07,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:39:07,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:39:07,359 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:39:07,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:39:07,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:39:07,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:39:07,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:39:07,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:39:07,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:39:07,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:39:07,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:39:07,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:39:07,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:39:07,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:39:07,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:39:07,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:39:07,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:39:07,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:39:07,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:39:07,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:39:07,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:39:07,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:39:07,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:39:07,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:39:07,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:39:07,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:39:07,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:39:07,422 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:39:07,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:39:07,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:39:07,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:39:07,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:39:07,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:39:07,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:39:07,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:39:07,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:39:07,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:39:07,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:39:07,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:39:07,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:39:07,480 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:39:07,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:39:07,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:39:07,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:39:07,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:39:07,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:39:07,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:39:07,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:39:07,482 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:39:07,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:39:07,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:39:07,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:39:07,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:39:07,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:39:07,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:39:07,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:07,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:39:07,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:39:07,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:39:07,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:39:07,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:39:07,486 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:39:07,486 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:39:07,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:39:07,486 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_50423a73-9798-41b7-a6b1-93a3826ffa9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f771f105ae7d9054a8f880602bab6c07dc6a2f5208d8e293e172fe35f168aa [2022-11-20 12:39:07,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:39:07,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:39:07,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:39:07,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:39:07,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:39:07,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:11,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:39:11,786 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:39:11,787 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:11,832 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/9bca41a45/d1762cba8d1841c8bc95035f9327185c/FLAGa6f242185 [2022-11-20 12:39:11,855 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/9bca41a45/d1762cba8d1841c8bc95035f9327185c [2022-11-20 12:39:11,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:39:11,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:39:11,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:11,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:39:11,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:39:11,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:11" (1/1) ... [2022-11-20 12:39:11,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253d623d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:11, skipping insertion in model container [2022-11-20 12:39:11,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:11" (1/1) ... [2022-11-20 12:39:11,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:39:11,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:39:12,579 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:39:13,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:13,359 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:39:13,410 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:39:13,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:13,691 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:39:13,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13 WrapperNode [2022-11-20 12:39:13,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:13,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:13,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:39:13,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:39:13,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,800 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2022-11-20 12:39:13,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:13,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:39:13,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:39:13,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:39:13,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:39:13,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:39:13,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:39:13,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:39:13,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (1/1) ... [2022-11-20 12:39:13,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:13,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:39:13,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:39:13,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:39:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:39:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:39:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:39:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:39:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 12:39:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:39:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:39:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:39:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:39:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:39:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:39:14,147 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:39:14,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:39:14,329 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:39:14,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:39:14,337 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:39:14,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:14 BoogieIcfgContainer [2022-11-20 12:39:14,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:39:14,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:39:14,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:39:14,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:39:14,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:39:11" (1/3) ... [2022-11-20 12:39:14,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3cf0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:14, skipping insertion in model container [2022-11-20 12:39:14,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:13" (2/3) ... [2022-11-20 12:39:14,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3cf0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:14, skipping insertion in model container [2022-11-20 12:39:14,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:14" (3/3) ... [2022-11-20 12:39:14,349 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:14,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:39:14,371 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 12:39:14,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:39:14,429 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;@45a38b0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:39:14,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 12:39:14,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 20 states have internal predecessors, (25), 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 12:39:14,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:39:14,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:14,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:14,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:39:14,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1450936690, now seen corresponding path program 1 times [2022-11-20 12:39:14,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:39:14,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302099934] [2022-11-20 12:39:14,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:14,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:39:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:39:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:14,729 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 12:39:14,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:39:14,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302099934] [2022-11-20 12:39:14,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302099934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:14,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:14,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:39:14,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144787281] [2022-11-20 12:39:14,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:14,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:39:14,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:39:14,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:39:14,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:14,773 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 20 states have internal predecessors, (25), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 12:39:14,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:14,806 INFO L93 Difference]: Finished difference Result 40 states and 49 transitions. [2022-11-20 12:39:14,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:39:14,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 12:39:14,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:14,824 INFO L225 Difference]: With dead ends: 40 [2022-11-20 12:39:14,824 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 12:39:14,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:14,836 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:14,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:39:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 12:39:14,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-20 12:39:14,881 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 12:39:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-20 12:39:14,885 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 11 [2022-11-20 12:39:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:14,888 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-20 12:39:14,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 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 12:39:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 12:39:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:39:14,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:14,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:14,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:39:14,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:39:14,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:14,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1512851975, now seen corresponding path program 1 times [2022-11-20 12:39:14,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:39:14,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573435510] [2022-11-20 12:39:14,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:14,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:39:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:39:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:15,129 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 12:39:15,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:39:15,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573435510] [2022-11-20 12:39:15,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573435510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:15,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:15,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:39:15,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903084316] [2022-11-20 12:39:15,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:15,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:39:15,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:39:15,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:39:15,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:39:15,148 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 12:39:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:15,169 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-20 12:39:15,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:39:15,171 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 12:39:15,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:15,172 INFO L225 Difference]: With dead ends: 17 [2022-11-20 12:39:15,173 INFO L226 Difference]: Without dead ends: 16 [2022-11-20 12:39:15,173 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 12:39:15,175 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 12:39:15,175 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 12:39:15,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-20 12:39:15,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-20 12:39:15,180 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 12:39:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-11-20 12:39:15,181 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2022-11-20 12:39:15,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:15,183 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-11-20 12:39:15,184 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 12:39:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 12:39:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 12:39:15,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:15,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:15,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:39:15,192 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-20 12:39:15,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:15,194 INFO L85 PathProgramCache]: Analyzing trace with hash 346229105, now seen corresponding path program 1 times [2022-11-20 12:39:15,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:39:15,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476690774] [2022-11-20 12:39:15,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:15,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:39:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:39:15,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:39:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:39:15,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:39:15,328 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:39:15,329 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-20 12:39:15,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-20 12:39:15,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:39:15,336 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:39:15,340 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:39:15,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:39:15 BoogieIcfgContainer [2022-11-20 12:39:15,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:39:15,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:39:15,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:39:15,382 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:39:15,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:14" (3/4) ... [2022-11-20 12:39:15,386 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:39:15,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:39:15,388 INFO L158 Benchmark]: Toolchain (without parser) took 3526.87ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 64.3MB in the end (delta: 53.6MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,388 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:15,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1827.92ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 56.4MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.00ms. Allocated memory is still 151.0MB. Free memory was 56.4MB in the beginning and 120.9MB in the end (delta: -64.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,397 INFO L158 Benchmark]: Boogie Preprocessor took 74.03ms. Allocated memory is still 151.0MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,397 INFO L158 Benchmark]: RCFGBuilder took 462.74ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 106.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,398 INFO L158 Benchmark]: TraceAbstraction took 1040.48ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 64.3MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 12:39:15,398 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 151.0MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:15,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1827.92ms. Allocated memory is still 151.0MB. Free memory was 117.2MB in the beginning and 56.4MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.00ms. Allocated memory is still 151.0MB. Free memory was 56.4MB in the beginning and 120.9MB in the end (delta: -64.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.03ms. Allocated memory is still 151.0MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.74ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 106.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1040.48ms. Allocated memory is still 151.0MB. Free memory was 105.3MB in the beginning and 64.3MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 151.0MB. Free memory is still 64.3MB. There was no memory consumed. 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 1558. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] 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}] [L1414] COND TRUE line != ((void *)0) [L1580] RET printLine("Calling bad()...") VAL [\old(argc)=1073741830, argc=1073741830, argv={1073741827:1073741831}, argv={1073741827:1073741831}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE191_Integer_Underflow__int_fgets_predec_16_bad() [L1550] int data; [L1551] 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] [L1552] COND TRUE 1 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] 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] [L1567] COND TRUE 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] [L1570] --data 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] - 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: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 43 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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 12:39:15,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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_50423a73-9798-41b7-a6b1-93a3826ffa9e/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 19f771f105ae7d9054a8f880602bab6c07dc6a2f5208d8e293e172fe35f168aa --- 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 12:39:18,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:39:18,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:39:18,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:39:18,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:39:18,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:39:18,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:39:18,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:39:18,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:39:18,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:39:18,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:39:18,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:39:18,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:39:18,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:39:18,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:39:18,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:39:18,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:39:18,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:39:18,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:39:18,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:39:18,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:39:18,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:39:18,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:39:18,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:39:18,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:39:18,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:39:18,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:39:18,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:39:18,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:39:18,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:39:18,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:39:18,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:39:18,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:39:18,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:39:18,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:39:18,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:39:18,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:39:18,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:39:18,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:39:18,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:39:18,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:39:18,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 12:39:18,255 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:39:18,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:39:18,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:39:18,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:39:18,257 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:39:18,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:39:18,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:39:18,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:39:18,259 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:39:18,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:39:18,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:39:18,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:39:18,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:39:18,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:39:18,261 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:39:18,261 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:39:18,261 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:39:18,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:39:18,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:39:18,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:39:18,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:39:18,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:39:18,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:39:18,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:18,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:39:18,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:39:18,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:39:18,264 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:39:18,264 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:39:18,264 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:39:18,264 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:39:18,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:39:18,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:39:18,265 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_50423a73-9798-41b7-a6b1-93a3826ffa9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f771f105ae7d9054a8f880602bab6c07dc6a2f5208d8e293e172fe35f168aa [2022-11-20 12:39:18,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:39:18,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:39:18,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:39:18,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:39:18,742 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:39:18,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:22,027 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:39:22,457 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:39:22,458 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:22,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/ca0351870/64c62a9643514fb19d87d486ee88288b/FLAG09242d45e [2022-11-20 12:39:22,506 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/data/ca0351870/64c62a9643514fb19d87d486ee88288b [2022-11-20 12:39:22,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:39:22,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:39:22,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:22,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:39:22,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:39:22,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:22" (1/1) ... [2022-11-20 12:39:22,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338381fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:22, skipping insertion in model container [2022-11-20 12:39:22,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:22" (1/1) ... [2022-11-20 12:39:22,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:39:22,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:39:23,063 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:39:23,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:23,587 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:39:23,610 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:39:23,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:23,883 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:39:23,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23 WrapperNode [2022-11-20 12:39:23,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:23,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:23,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:39:23,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:39:23,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:23,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:23,988 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-11-20 12:39:23,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:23,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:39:23,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:39:23,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:39:23,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:23,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,032 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:39:24,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:39:24,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:39:24,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:39:24,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (1/1) ... [2022-11-20 12:39:24,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:24,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:39:24,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:39:24,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:39:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-20 12:39:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:39:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:39:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:39:24,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:39:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:39:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:39:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:39:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:39:24,114 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:39:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:39:24,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:39:24,296 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:39:24,557 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:39:24,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:39:24,563 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:39:24,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:24 BoogieIcfgContainer [2022-11-20 12:39:24,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:39:24,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:39:24,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:39:24,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:39:24,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:39:22" (1/3) ... [2022-11-20 12:39:24,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62580965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:24, skipping insertion in model container [2022-11-20 12:39:24,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:23" (2/3) ... [2022-11-20 12:39:24,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62580965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:24, skipping insertion in model container [2022-11-20 12:39:24,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:24" (3/3) ... [2022-11-20 12:39:24,594 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_16_bad.i [2022-11-20 12:39:24,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:39:24,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 12:39:24,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62580965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:39:24, skipping insertion in model container [2022-11-20 12:39:24,616 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:39:24,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:39:24,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:39:24,617 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:39:24,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:24" (3/3) ... [2022-11-20 12:39:24,620 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:39:24,628 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:39:24,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-20 12:39:24,634 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:39:24,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:39:24,635 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:39:24,671 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:39:24,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:39:24,683 INFO L158 Benchmark]: Toolchain (without parser) took 2169.79ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 67.5MB in the end (delta: -15.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,684 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:24,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1368.70ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 31.2MB in the end (delta: 20.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.72ms. Allocated memory is still 77.6MB. Free memory was 31.2MB in the beginning and 50.3MB in the end (delta: -19.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,686 INFO L158 Benchmark]: Boogie Preprocessor took 47.65ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,694 INFO L158 Benchmark]: RCFGBuilder took 527.83ms. Allocated memory is still 77.6MB. Free memory was 48.3MB in the beginning and 34.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,695 INFO L158 Benchmark]: TraceAbstraction took 45.84ms. Allocated memory is still 77.6MB. Free memory was 34.0MB in the beginning and 31.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,696 INFO L158 Benchmark]: Witness Printer took 64.68ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 67.5MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:39:24,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1368.70ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 31.2MB in the end (delta: 20.7MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.72ms. Allocated memory is still 77.6MB. Free memory was 31.2MB in the beginning and 50.3MB in the end (delta: -19.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.65ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.83ms. Allocated memory is still 77.6MB. Free memory was 48.3MB in the beginning and 34.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 45.84ms. Allocated memory is still 77.6MB. Free memory was 34.0MB in the beginning and 31.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 64.68ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 67.5MB in the end (delta: -35.7MB). Peak memory consumption was 6.3MB. 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 12:39:24,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50423a73-9798-41b7-a6b1-93a3826ffa9e/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