./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R --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 0140cc69a6256ac26027db947b95b32178c374a89491bc7a07858bc16d27e9a4 --- 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-38b53e6 [2022-11-25 15:41:55,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:41:55,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:41:55,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:41:55,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:41:55,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:41:55,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:41:55,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:41:55,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:41:55,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:41:55,326 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:41:55,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:41:55,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:41:55,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:41:55,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:41:55,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:41:55,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:41:55,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:41:55,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:41:55,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:41:55,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:41:55,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:41:55,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:41:55,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:41:55,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:41:55,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:41:55,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:41:55,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:41:55,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:41:55,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:41:55,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:41:55,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:41:55,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:41:55,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:41:55,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:41:55,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:41:55,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:41:55,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:41:55,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:41:55,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:41:55,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:41:55,393 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:41:55,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:41:55,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:41:55,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:41:55,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:41:55,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:41:55,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:41:55,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:41:55,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:41:55,432 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:41:55,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:41:55,433 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:41:55,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:41:55,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:41:55,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:41:55,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:41:55,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:41:55,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:41:55,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:41:55,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:41:55,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:41:55,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:41:55,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:41:55,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:41:55,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:41:55,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:41:55,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:41:55,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:41:55,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:41:55,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:41:55,439 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:41:55,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:41:55,440 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:41:55,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:41:55,440 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0140cc69a6256ac26027db947b95b32178c374a89491bc7a07858bc16d27e9a4 [2022-11-25 15:41:55,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:41:55,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:41:55,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:41:55,894 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:41:55,894 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:41:55,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_11_bad.i [2022-11-25 15:41:59,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:41:59,911 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:41:59,912 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_11_bad.i [2022-11-25 15:41:59,951 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/data/37d40c4e8/b8b915a1b63d4869b08a49d8c5907f27/FLAGb6efa2a61 [2022-11-25 15:41:59,970 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/data/37d40c4e8/b8b915a1b63d4869b08a49d8c5907f27 [2022-11-25 15:41:59,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:41:59,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:41:59,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:41:59,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:41:59,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:41:59,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:59" (1/1) ... [2022-11-25 15:41:59,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7ed129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:59, skipping insertion in model container [2022-11-25 15:41:59,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:59" (1/1) ... [2022-11-25 15:41:59,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:42:00,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:42:00,613 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:01,112 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:01,118 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:01,121 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:01,124 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:01,125 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:01,152 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:01,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:01,164 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:42:01,184 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:01,231 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:01,232 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:01,233 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:01,244 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:01,246 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:01,261 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:01,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:01,407 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:42:01,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01 WrapperNode [2022-11-25 15:42:01,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:42:01,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:01,409 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:42:01,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:42:01,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,496 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2022-11-25 15:42:01,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:01,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:42:01,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:42:01,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:42:01,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:42:01,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:42:01,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:42:01,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:42:01,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (1/1) ... [2022-11-25 15:42:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:42:01,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:42:01,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:42:01,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:42:01,644 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:42:01,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:42:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2022-11-25 15:42:01,645 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2022-11-25 15:42:01,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:42:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:42:01,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:42:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:42:01,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:42:01,855 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:42:01,857 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:42:02,059 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:42:02,067 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:42:02,068 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:42:02,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:02 BoogieIcfgContainer [2022-11-25 15:42:02,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:42:02,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:42:02,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:42:02,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:42:02,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:41:59" (1/3) ... [2022-11-25 15:42:02,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4879aab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:02, skipping insertion in model container [2022-11-25 15:42:02,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:01" (2/3) ... [2022-11-25 15:42:02,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4879aab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:02, skipping insertion in model container [2022-11-25 15:42:02,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:02" (3/3) ... [2022-11-25 15:42:02,083 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_11_bad.i [2022-11-25 15:42:02,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:42:02,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:42:02,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:42:02,186 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;@5ac2a70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:42:02,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:42:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 15:42:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 15:42:02,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:02,210 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:02,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:42:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2022-11-25 15:42:02,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:42:02,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084572639] [2022-11-25 15:42:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:42:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:02,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:42:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:02,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:42:02,438 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:42:02,440 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:42:02,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:42:02,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:42:02,449 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 15:42:02,456 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:42:02,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:42:02 BoogieIcfgContainer [2022-11-25 15:42:02,495 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:42:02,496 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:42:02,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:42:02,497 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:42:02,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:02" (3/4) ... [2022-11-25 15:42:02,500 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:42:02,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:42:02,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:42:02,611 INFO L158 Benchmark]: Toolchain (without parser) took 2636.64ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 43.9MB in the end (delta: 72.5MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,613 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:02,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1432.05ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 80.3MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.07ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 77.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,615 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 159.4MB. Free memory was 77.5MB in the beginning and 76.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:02,616 INFO L158 Benchmark]: RCFGBuilder took 533.84ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 63.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,616 INFO L158 Benchmark]: TraceAbstraction took 421.30ms. Allocated memory is still 159.4MB. Free memory was 62.8MB in the beginning and 46.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,617 INFO L158 Benchmark]: Witness Printer took 113.77ms. Allocated memory is still 159.4MB. Free memory was 46.8MB in the beginning and 43.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:42:02,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1432.05ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 80.3MB in the end (delta: 35.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.07ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 77.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 159.4MB. Free memory was 77.5MB in the beginning and 76.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.84ms. Allocated memory is still 159.4MB. Free memory was 75.4MB in the beginning and 63.5MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 421.30ms. Allocated memory is still 159.4MB. Free memory was 62.8MB in the beginning and 46.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 113.77ms. Allocated memory is still 159.4MB. Free memory was 46.8MB in the beginning and 43.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=1073741826, argc=1073741826, argv={1073741825:1073741827}, argv={1073741825:1073741827}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_postdec_11_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] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] RET globalReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1554] data = (-0x7fffffff - 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] [L1556] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] RET globalReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalReturnsTrue()=1, globalTrue=1] [L1556] COND TRUE globalReturnsTrue() [L1559] data-- VAL [data=-2147483648, 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: 1559]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:42:02,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747e06fe-7310-48b8-8a17-343285596e33/bin/uautomizer-ZsLfNo2U6R/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)