./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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_4e7e349f-009a-4624-ab08-f1eebb4e3051/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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- 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 18:25:40,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:25:40,410 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:25:40,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:25:40,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:25:40,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:25:40,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:25:40,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:25:40,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:25:40,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:25:40,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:25:40,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:25:40,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:25:40,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:25:40,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:25:40,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:25:40,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:25:40,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:25:40,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:25:40,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:25:40,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:25:40,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:25:40,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:25:40,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:25:40,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:25:40,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:25:40,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:25:40,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:25:40,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:25:40,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:25:40,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:25:40,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:25:40,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:25:40,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:25:40,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:25:40,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:25:40,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:25:40,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:25:40,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:25:40,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:25:40,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:25:40,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 18:25:40,557 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:25:40,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:25:40,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:25:40,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:25:40,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:25:40,559 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:25:40,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:25:40,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:25:40,560 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:25:40,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:25:40,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:25:40,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:25:40,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:25:40,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:25:40,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:25:40,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:25:40,563 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:25:40,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:25:40,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:25:40,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:25:40,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:25:40,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:25:40,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:25:40,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:25:40,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:25:40,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:25:40,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:25:40,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:25:40,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:25:40,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:25:40,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:25:40,567 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:25:40,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:25:40,567 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_4e7e349f-009a-4624-ab08-f1eebb4e3051/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2022-11-25 18:25:40,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:25:40,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:25:40,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:25:40,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:25:40,903 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:25:40,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:43,935 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:25:44,399 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:25:44,401 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:44,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/3bdc9de95/7b2ed2e8587640e0a4416a71cac44976/FLAG76e3ee356 [2022-11-25 18:25:44,452 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/3bdc9de95/7b2ed2e8587640e0a4416a71cac44976 [2022-11-25 18:25:44,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:25:44,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:25:44,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:44,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:25:44,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:25:44,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:44" (1/1) ... [2022-11-25 18:25:44,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178fd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:44, skipping insertion in model container [2022-11-25 18:25:44,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:44" (1/1) ... [2022-11-25 18:25:44,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:25:44,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:25:45,082 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:25:45,464 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:25:45,469 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:45,471 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:45,474 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:45,474 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:45,499 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:25:45,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:45,515 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:25:45,535 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:25:45,578 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:25:45,580 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:45,581 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:45,583 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:45,584 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:45,590 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:25:45,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:45,743 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:25:45,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45 WrapperNode [2022-11-25 18:25:45,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:45,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:45,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:25:45,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:25:45,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,800 INFO L138 Inliner]: procedures = 500, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-11-25 18:25:45,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:45,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:25:45,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:25:45,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:25:45,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,839 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,841 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:25:45,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:25:45,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:25:45,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:25:45,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (1/1) ... [2022-11-25 18:25:45,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:25:45,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:25:45,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:25:45,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:25:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:25:45,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:25:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:25:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:25:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:25:45,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:25:45,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:25:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:25:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:25:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:25:45,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:25:46,104 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:25:46,106 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:25:46,271 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:25:46,277 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:25:46,277 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:25:46,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:46 BoogieIcfgContainer [2022-11-25 18:25:46,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:25:46,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:25:46,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:25:46,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:25:46,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:25:44" (1/3) ... [2022-11-25 18:25:46,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2885eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:46, skipping insertion in model container [2022-11-25 18:25:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:45" (2/3) ... [2022-11-25 18:25:46,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2885eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:46, skipping insertion in model container [2022-11-25 18:25:46,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:46" (3/3) ... [2022-11-25 18:25:46,287 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:46,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:25:46,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:25:46,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:25:46,416 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;@407d770e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:25:46,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:25:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:25:46,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 18:25:46,430 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:25:46,431 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:46,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:25:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:46,441 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-25 18:25:46,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:25:46,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560761643] [2022-11-25 18:25:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:25:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:46,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:46,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:25:46,926 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:25:46,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 18:25:46,930 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 18:25:46,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:25:46,937 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 18:25:46,942 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:25:46,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:25:46 BoogieIcfgContainer [2022-11-25 18:25:47,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:25:47,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:25:47,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:25:47,002 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:25:47,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:46" (3/4) ... [2022-11-25 18:25:47,007 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:25:47,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:25:47,009 INFO L158 Benchmark]: Toolchain (without parser) took 2549.90ms. Allocated memory is still 157.3MB. Free memory was 114.8MB in the beginning and 116.5MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:47,009 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:47,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.94ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 74.3MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-25 18:25:47,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.95ms. Allocated memory is still 157.3MB. Free memory was 74.3MB in the beginning and 71.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:47,012 INFO L158 Benchmark]: Boogie Preprocessor took 56.79ms. Allocated memory is still 157.3MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:47,017 INFO L158 Benchmark]: RCFGBuilder took 420.58ms. Allocated memory is still 157.3MB. Free memory was 69.6MB in the beginning and 55.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:25:47,018 INFO L158 Benchmark]: TraceAbstraction took 718.67ms. Allocated memory is still 157.3MB. Free memory was 54.5MB in the beginning and 116.5MB in the end (delta: -62.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:47,018 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 157.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:47,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.94ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 74.3MB in the end (delta: 40.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.95ms. Allocated memory is still 157.3MB. Free memory was 74.3MB in the beginning and 71.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.79ms. Allocated memory is still 157.3MB. Free memory was 71.3MB in the beginning and 69.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.58ms. Allocated memory is still 157.3MB. Free memory was 69.6MB in the beginning and 55.4MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 718.67ms. Allocated memory is still 157.3MB. Free memory was 54.5MB in the beginning and 116.5MB in the end (delta: -62.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.43ms. Allocated memory is still 157.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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] [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483651, argc=2147483651, argv={2147483650:2147483652}, argv={2147483650:2147483652}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=65535, rand()=1, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147450881] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [data=-2147450881, dataArray={4:0}, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [data=-2147450881, dataArray={4:0}, dataArray={4:0}, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, 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=23occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 could not prove your program: unable to determine feasibility of some traces [2022-11-25 18:25:47,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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 b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 --- 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 18:25:49,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:25:49,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:25:49,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:25:49,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:25:49,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:25:49,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:25:49,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:25:49,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:25:49,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:25:49,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:25:49,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:25:49,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:25:49,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:25:49,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:25:49,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:25:49,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:25:49,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:25:49,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:25:49,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:25:49,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:25:49,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:25:49,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:25:49,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:25:49,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:25:49,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:25:49,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:25:49,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:25:49,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:25:49,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:25:49,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:25:49,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:25:49,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:25:49,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:25:49,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:25:49,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:25:49,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:25:49,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:25:49,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:25:49,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:25:49,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:25:49,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 18:25:49,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:25:49,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:25:49,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:25:49,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:25:49,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:25:49,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:25:49,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:25:49,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:25:49,663 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:25:49,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:25:49,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:25:49,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:25:49,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:25:49,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:25:49,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:25:49,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 18:25:49,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 18:25:49,665 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 18:25:49,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 18:25:49,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:25:49,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:25:49,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:25:49,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:25:49,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:25:49,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:25:49,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:25:49,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:25:49,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:25:49,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:25:49,669 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 18:25:49,669 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 18:25:49,669 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:25:49,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:25:49,670 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:25:49,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:25:49,670 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 18:25:49,671 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_4e7e349f-009a-4624-ab08-f1eebb4e3051/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6e78b274adae6b60e7b2d127916c1e956fd51f0cd97ec7bcaf0becff5a9e7b0 [2022-11-25 18:25:50,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:25:50,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:25:50,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:25:50,033 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:25:50,033 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:25:50,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:53,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:25:53,439 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:25:53,440 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:53,460 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/017741c30/e944eff1114e41e19f0e055c8da1f2b4/FLAG368b84df8 [2022-11-25 18:25:53,484 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/data/017741c30/e944eff1114e41e19f0e055c8da1f2b4 [2022-11-25 18:25:53,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:25:53,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:25:53,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:53,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:25:53,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:25:53,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:53" (1/1) ... [2022-11-25 18:25:53,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d601e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:53, skipping insertion in model container [2022-11-25 18:25:53,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:25:53" (1/1) ... [2022-11-25 18:25:53,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:25:53,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:25:54,019 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:25:54,801 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:25:54,809 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:54,813 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:54,821 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:54,822 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:54,859 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:25:54,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:54,884 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:25:54,905 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 18:25:54,964 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 18:25:54,966 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:54,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 18:25:54,969 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:54,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 18:25:54,974 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 18:25:54,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:25:55,134 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:25:55,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55 WrapperNode [2022-11-25 18:25:55,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:25:55,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:55,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:25:55,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:25:55,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,190 INFO L138 Inliner]: procedures = 505, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-11-25 18:25:55,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:25:55,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:25:55,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:25:55,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:25:55,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,219 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:25:55,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:25:55,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:25:55,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:25:55,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (1/1) ... [2022-11-25 18:25:55,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:25:55,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:25:55,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:25:55,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:25:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 18:25:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 18:25:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:25:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 18:25:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:25:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:25:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:25:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 18:25:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:25:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 18:25:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 18:25:55,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:25:55,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:25:55,678 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:25:55,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:25:55,685 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:25:55,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:55 BoogieIcfgContainer [2022-11-25 18:25:55,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:25:55,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:25:55,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:25:55,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:25:55,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:25:53" (1/3) ... [2022-11-25 18:25:55,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d00912b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:55, skipping insertion in model container [2022-11-25 18:25:55,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:25:55" (2/3) ... [2022-11-25 18:25:55,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d00912b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:25:55, skipping insertion in model container [2022-11-25 18:25:55,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:55" (3/3) ... [2022-11-25 18:25:55,709 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_66_bad.i [2022-11-25 18:25:55,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:25:55,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 18:25:55,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:25:55,790 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;@11f4f648, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:25:55,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 18:25:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 18:25:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 18:25:55,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 18:25:55,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:25:55,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 18:25:55,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:25:55,811 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-25 18:25:55,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 18:25:55,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1893111505] [2022-11-25 18:25:55,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:25:55,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:25:55,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 18:25:55,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 18:25:55,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 18:25:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:56,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:25:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:25:56,119 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 18:25:56,124 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 18:25:56,125 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 18:25:56,127 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 18:25:56,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:25:56,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 18:25:56,347 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 18:25:56,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:25:56,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:25:56 BoogieIcfgContainer [2022-11-25 18:25:56,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:25:56,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:25:56,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:25:56,401 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:25:56,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:25:55" (3/4) ... [2022-11-25 18:25:56,403 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 18:25:56,467 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:25:56,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:25:56,468 INFO L158 Benchmark]: Toolchain (without parser) took 2979.79ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 43.5MB in the end (delta: -1.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,469 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:25:56,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1642.08ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 41.9MB in the beginning and 58.2MB in the end (delta: -16.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.07ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 55.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,470 INFO L158 Benchmark]: Boogie Preprocessor took 33.18ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,471 INFO L158 Benchmark]: RCFGBuilder took 462.45ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,471 INFO L158 Benchmark]: TraceAbstraction took 698.45ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 46.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,472 INFO L158 Benchmark]: Witness Printer took 66.86ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:25:56,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1642.08ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 41.9MB in the beginning and 58.2MB in the end (delta: -16.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.07ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 55.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.18ms. Allocated memory is still 92.3MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.45ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 39.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 698.45ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 46.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 66.86ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 1571]: 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] [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={5:0}, 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()=1, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-1073741825] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_multiply_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1569] COND TRUE data < 0 VAL [data=-1073741825, dataArray={5:0}, dataArray={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [data=-1073741825, dataArray={5:0}, dataArray={5:0}, 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: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, 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=23occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 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 18:25:56,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e7e349f-009a-4624-ab08-f1eebb4e3051/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)