./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a --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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- 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-b5237d8 [2022-11-21 16:13:59,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:13:59,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:13:59,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:13:59,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:13:59,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:13:59,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:13:59,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:13:59,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:13:59,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:13:59,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:13:59,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:13:59,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:13:59,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:13:59,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:13:59,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:13:59,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:13:59,365 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:13:59,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:13:59,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:13:59,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:13:59,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:13:59,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:13:59,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:13:59,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:13:59,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:13:59,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:13:59,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:13:59,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:13:59,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:13:59,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:13:59,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:13:59,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:13:59,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:13:59,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:13:59,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:13:59,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:13:59,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:13:59,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:13:59,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:13:59,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:13:59,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-21 16:13:59,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:13:59,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:13:59,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:13:59,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:13:59,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:13:59,448 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:13:59,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:13:59,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:13:59,449 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:13:59,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:13:59,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:13:59,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:13:59,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:13:59,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:13:59,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:13:59,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:13:59,452 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 16:13:59,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:13:59,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:13:59,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:13:59,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:13:59,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:13:59,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:13:59,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:13:59,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:13:59,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:13:59,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:13:59,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:13:59,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:13:59,455 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:13:59,456 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:13:59,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:13:59,456 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_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-21 16:13:59,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:13:59,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:13:59,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:13:59,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:13:59,785 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:13:59,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:02,926 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:03,417 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:03,417 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:03,439 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/718f36b77/128998961b5a411d9f2ae79d1d405024/FLAG60af6de08 [2022-11-21 16:14:03,455 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/718f36b77/128998961b5a411d9f2ae79d1d405024 [2022-11-21 16:14:03,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:03,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:03,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:03,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:03,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:03,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:03" (1/1) ... [2022-11-21 16:14:03,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50ce4cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:03, skipping insertion in model container [2022-11-21 16:14:03,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:03" (1/1) ... [2022-11-21 16:14:03,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:03,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:03,924 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:14:04,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:04,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:04,584 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:14:04,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:04,838 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:04,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04 WrapperNode [2022-11-21 16:14:04,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:04,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:04,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:04,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:04,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,934 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-21 16:14:04,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:04,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:04,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:04,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:04,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:04,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:04,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:04,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:04,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (1/1) ... [2022-11-21 16:14:04,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:05,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:05,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:05,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:14:05,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:14:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:14:05,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-21 16:14:05,101 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-21 16:14:05,101 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:14:05,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:14:05,312 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:05,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:05,560 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:05,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:05,567 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:14:05,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:05 BoogieIcfgContainer [2022-11-21 16:14:05,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:05,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:14:05,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:14:05,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:14:05,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:14:03" (1/3) ... [2022-11-21 16:14:05,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0bc52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:05, skipping insertion in model container [2022-11-21 16:14:05,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:04" (2/3) ... [2022-11-21 16:14:05,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c0bc52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:05, skipping insertion in model container [2022-11-21 16:14:05,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:05" (3/3) ... [2022-11-21 16:14:05,591 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:05,611 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:14:05,611 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-21 16:14:05,661 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:14:05,670 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;@78e4e6e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:14:05,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-21 16:14:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 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) [2022-11-21 16:14:05,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 16:14:05,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:05,689 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:05,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:14:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:05,698 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-11-21 16:14:05,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:05,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988804810] [2022-11-21 16:14:05,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:05,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:14:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:14:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 16:14:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 16:14:06,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:14:06,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988804810] [2022-11-21 16:14:06,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988804810] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:14:06,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128318230] [2022-11-21 16:14:06,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:06,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:14:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:06,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:14:06,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:14:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 16:14:06,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:14:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:14:06,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:14:06,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128318230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:14:06,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:14:06,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-21 16:14:06,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438065674] [2022-11-21 16:14:06,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:14:06,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:14:06,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:14:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:14:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:14:06,321 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 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) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:14:06,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:06,360 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2022-11-21 16:14:06,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:14:06,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-11-21 16:14:06,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:06,370 INFO L225 Difference]: With dead ends: 51 [2022-11-21 16:14:06,370 INFO L226 Difference]: Without dead ends: 23 [2022-11-21 16:14:06,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:14:06,377 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:06,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:14:06,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-21 16:14:06,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-21 16:14:06,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:14:06,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-21 16:14:06,415 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 21 [2022-11-21 16:14:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:06,417 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-21 16:14:06,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:14:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-21 16:14:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 16:14:06,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:06,420 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:06,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 16:14:06,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-21 16:14:06,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:14:06,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:06,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-11-21 16:14:06,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:06,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431417351] [2022-11-21 16:14:06,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:06,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:14:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 16:14:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-21 16:14:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:14:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:14:06,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:14:06,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431417351] [2022-11-21 16:14:06,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431417351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:14:06,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:14:06,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:14:06,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545313214] [2022-11-21 16:14:06,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:14:06,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:14:06,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:14:06,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:14:06,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:14:06,890 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:14:06,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:14:06,909 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-21 16:14:06,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:14:06,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 23 [2022-11-21 16:14:06,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:14:06,911 INFO L225 Difference]: With dead ends: 23 [2022-11-21 16:14:06,911 INFO L226 Difference]: Without dead ends: 22 [2022-11-21 16:14:06,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:14:06,913 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:14:06,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 53 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:14:06,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-21 16:14:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-21 16:14:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-21 16:14:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2022-11-21 16:14:06,919 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 23 [2022-11-21 16:14:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:14:06,919 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2022-11-21 16:14:06,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-21 16:14:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-21 16:14:06,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 16:14:06,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:14:06,921 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:14:06,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:14:06,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-21 16:14:06,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:14:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1784434983, now seen corresponding path program 1 times [2022-11-21 16:14:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:14:06,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987009256] [2022-11-21 16:14:06,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:14:06,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:14:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:06,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:14:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:14:07,000 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:14:07,001 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:14:07,002 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-21 16:14:07,004 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-21 16:14:07,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:14:07,008 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-21 16:14:07,012 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:14:07,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:14:07 BoogieIcfgContainer [2022-11-21 16:14:07,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:14:07,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:14:07,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:14:07,055 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:14:07,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:05" (3/4) ... [2022-11-21 16:14:07,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:14:07,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:14:07,069 INFO L158 Benchmark]: Toolchain (without parser) took 3606.47ms. Allocated memory was 184.5MB in the beginning and 249.6MB in the end (delta: 65.0MB). Free memory was 145.2MB in the beginning and 134.4MB in the end (delta: 10.9MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,069 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:07,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1373.63ms. Allocated memory is still 184.5MB. Free memory was 144.9MB in the beginning and 84.0MB in the end (delta: 60.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.19ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 80.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,071 INFO L158 Benchmark]: Boogie Preprocessor took 29.76ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 79.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,071 INFO L158 Benchmark]: RCFGBuilder took 600.94ms. Allocated memory was 184.5MB in the beginning and 249.6MB in the end (delta: 65.0MB). Free memory was 79.1MB in the beginning and 208.8MB in the end (delta: -129.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,072 INFO L158 Benchmark]: TraceAbstraction took 1471.25ms. Allocated memory is still 249.6MB. Free memory was 207.8MB in the beginning and 135.4MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,073 INFO L158 Benchmark]: Witness Printer took 13.63ms. Allocated memory is still 249.6MB. Free memory was 135.4MB in the beginning and 134.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:07,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1373.63ms. Allocated memory is still 184.5MB. Free memory was 144.9MB in the beginning and 84.0MB in the end (delta: 60.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.19ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 80.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.76ms. Allocated memory is still 184.5MB. Free memory was 80.9MB in the beginning and 79.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.94ms. Allocated memory was 184.5MB in the beginning and 249.6MB in the end (delta: 65.0MB). Free memory was 79.1MB in the beginning and 208.8MB in the end (delta: -129.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1471.25ms. Allocated memory is still 249.6MB. Free memory was 207.8MB in the beginning and 135.4MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Witness Printer took 13.63ms. Allocated memory is still 249.6MB. Free memory was 135.4MB in the beginning and 134.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1562, overapproximation of bitwiseAnd at line 1562. 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] [L1576] 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) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] 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] [L1560] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 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, rand()=0, rand()=65536, rand()=1, rand()=4, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] 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] [L1564] RET staticReturnsTrue() 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, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] 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: 1567]: 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, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 53 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 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 [2022-11-21 16:14:07,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/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_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a --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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- 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-b5237d8 [2022-11-21 16:14:09,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:14:09,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:14:09,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:14:09,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:14:09,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:14:09,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:14:09,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:14:09,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:14:09,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:14:09,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:14:09,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:14:09,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:14:09,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:14:09,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:14:09,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:14:09,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:14:09,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:14:09,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:14:09,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:14:09,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:14:09,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:14:09,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:14:09,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:14:09,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:14:09,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:14:09,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:14:09,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:14:09,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:14:09,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:14:09,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:14:09,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:14:09,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:14:09,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:14:09,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:14:09,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:14:09,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:14:09,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:14:09,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:14:09,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:14:09,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:14:09,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-21 16:14:09,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:14:09,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:14:09,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:14:09,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:14:09,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:14:09,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:14:09,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:14:09,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:14:09,635 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:14:09,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:14:09,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:14:09,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:14:09,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:14:09,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:14:09,637 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:14:09,637 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:14:09,638 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:14:09,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:14:09,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:14:09,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:14:09,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:14:09,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:14:09,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:14:09,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:09,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:14:09,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:14:09,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:14:09,641 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:14:09,641 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:14:09,642 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:14:09,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:14:09,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:14:09,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:14:09,643 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_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-21 16:14:10,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:14:10,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:14:10,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:14:10,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:14:10,106 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:14:10,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:13,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:14:13,597 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:14:13,599 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:13,631 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/79e60415b/ea5a4c6861e34a61bf24905e7ac9ab82/FLAGfadc4ce58 [2022-11-21 16:14:13,647 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/data/79e60415b/ea5a4c6861e34a61bf24905e7ac9ab82 [2022-11-21 16:14:13,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:14:13,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:14:13,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:13,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:14:13,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:14:13,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:13" (1/1) ... [2022-11-21 16:14:13,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275ddd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:13, skipping insertion in model container [2022-11-21 16:14:13,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:14:13" (1/1) ... [2022-11-21 16:14:13,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:14:13,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:14:14,136 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:14:14,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:14,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:14:14,696 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:14:14,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:14:15,000 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:14:15,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15 WrapperNode [2022-11-21 16:14:15,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:14:15,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:15,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:14:15,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:14:15,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,093 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2022-11-21 16:14:15,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:14:15,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:14:15,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:14:15,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:14:15,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:14:15,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:14:15,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:14:15,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:14:15,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (1/1) ... [2022-11-21 16:14:15,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:14:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:14:15,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:14:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:14:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 16:14:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 16:14:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:14:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:14:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:14:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:14:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-21 16:14:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-21 16:14:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 16:14:15,382 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:14:15,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:14:15,582 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:14:15,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:14:15,589 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:14:15,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:15 BoogieIcfgContainer [2022-11-21 16:14:15,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:14:15,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:14:15,594 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:14:15,597 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:14:15,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:14:13" (1/3) ... [2022-11-21 16:14:15,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6620dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:15, skipping insertion in model container [2022-11-21 16:14:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:14:15" (2/3) ... [2022-11-21 16:14:15,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6620dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:14:15, skipping insertion in model container [2022-11-21 16:14:15,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:15" (3/3) ... [2022-11-21 16:14:15,601 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-21 16:14:15,621 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:14:15,621 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-21 16:14:15,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6620dc29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:14:15, skipping insertion in model container [2022-11-21 16:14:15,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:14:15,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:14:15,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:14:15,624 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:14:15,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:14:15" (3/3) ... [2022-11-21 16:14:15,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:14:15,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 16:14:15,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-21 16:14:15,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 16:14:15,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 16:14:15,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:14:15,640 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:14:15,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:14:15,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:14:15,682 INFO L158 Benchmark]: Toolchain (without parser) took 2029.73ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 39.8MB in the end (delta: 30.9MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,682 INFO L158 Benchmark]: CDTParser took 1.03ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:14:15,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.09ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 63.9MB in the end (delta: 6.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.42ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 60.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,684 INFO L158 Benchmark]: Boogie Preprocessor took 46.06ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 58.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,684 INFO L158 Benchmark]: RCFGBuilder took 450.55ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 45.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,684 INFO L158 Benchmark]: TraceAbstraction took 29.20ms. Allocated memory is still 96.5MB. Free memory was 45.1MB in the beginning and 42.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,685 INFO L158 Benchmark]: Witness Printer took 56.82ms. Allocated memory is still 96.5MB. Free memory was 42.8MB in the beginning and 39.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:14:15,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.03ms. Allocated memory is still 69.2MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1348.09ms. Allocated memory is still 96.5MB. Free memory was 70.5MB in the beginning and 63.9MB in the end (delta: 6.6MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.42ms. Allocated memory is still 96.5MB. Free memory was 63.9MB in the beginning and 60.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.06ms. Allocated memory is still 96.5MB. Free memory was 60.9MB in the beginning and 58.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.55ms. Allocated memory is still 96.5MB. Free memory was 58.8MB in the beginning and 45.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 29.20ms. Allocated memory is still 96.5MB. Free memory was 45.1MB in the beginning and 42.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 56.82ms. Allocated memory is still 96.5MB. Free memory was 42.8MB in the beginning and 39.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-21 16:14:15,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ace053-d92e-4290-bee2-76a239b6cfaf/bin/uautomizer-vX5HgA9Q3a/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