./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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_7c8195cb-b08e-4b24-9874-1d098d72a814/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 d02d1045ff47d4f64d993649872fce384b3e693a6863a55ef0510884c2c3c94c --- 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 17:53:01,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:53:01,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:53:01,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:53:01,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:53:01,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:53:01,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:53:01,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:53:01,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:53:01,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:53:01,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:53:01,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:53:01,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:53:01,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:53:01,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:53:01,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:53:01,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:53:01,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:53:01,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:53:01,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:53:01,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:53:01,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:53:01,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:53:01,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:53:01,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:53:01,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:53:01,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:53:01,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:53:01,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:53:01,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:53:01,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:53:01,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:53:01,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:53:01,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:53:01,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:53:01,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:53:01,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:53:01,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:53:01,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:53:01,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:53:01,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:53:01,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:53:01,576 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:53:01,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:53:01,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:53:01,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:53:01,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:53:01,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:53:01,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:53:01,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:53:01,581 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:53:01,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:53:01,582 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:53:01,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:53:01,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:53:01,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:53:01,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:53:01,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:53:01,584 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:53:01,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:53:01,584 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:53:01,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:53:01,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:53:01,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:53:01,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:53:01,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:01,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:53:01,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:53:01,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:53:01,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:53:01,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:53:01,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:53:01,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:53:01,589 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:53:01,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:53:01,589 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_7c8195cb-b08e-4b24-9874-1d098d72a814/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d02d1045ff47d4f64d993649872fce384b3e693a6863a55ef0510884c2c3c94c [2022-11-25 17:53:01,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:53:01,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:53:01,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:53:01,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:53:01,900 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:53:01,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:05,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:53:05,959 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:53:05,960 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:06,002 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/8e8f3ba95/dd7b76b481a845e6bf8c3ec8ca75d56d/FLAG78573a639 [2022-11-25 17:53:06,027 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/8e8f3ba95/dd7b76b481a845e6bf8c3ec8ca75d56d [2022-11-25 17:53:06,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:53:06,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:53:06,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:06,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:53:06,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:53:06,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:06" (1/1) ... [2022-11-25 17:53:06,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78894583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:06, skipping insertion in model container [2022-11-25 17:53:06,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:06" (1/1) ... [2022-11-25 17:53:06,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:53:06,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:53:06,710 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:53:07,381 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:53:07,389 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:07,392 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:07,395 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:07,396 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:07,427 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:53:07,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:07,445 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:53:07,469 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:53:07,526 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:53:07,529 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:07,531 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:07,534 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:07,535 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:07,543 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:53:07,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:07,706 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:53:07,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07 WrapperNode [2022-11-25 17:53:07,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:07,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:07,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:53:07,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:53:07,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,749 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,785 INFO L138 Inliner]: procedures = 500, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-11-25 17:53:07,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:07,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:53:07,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:53:07,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:53:07,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:53:07,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:53:07,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:53:07,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:53:07,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (1/1) ... [2022-11-25 17:53:07,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:07,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:53:07,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:53:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:53:07,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:53:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:53:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:53:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:53:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:53:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:53:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:53:08,179 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:53:08,181 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:53:08,483 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:53:08,503 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:53:08,503 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:53:08,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:08 BoogieIcfgContainer [2022-11-25 17:53:08,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:53:08,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:53:08,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:53:08,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:53:08,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:53:06" (1/3) ... [2022-11-25 17:53:08,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de3cb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:08, skipping insertion in model container [2022-11-25 17:53:08,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:07" (2/3) ... [2022-11-25 17:53:08,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de3cb67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:08, skipping insertion in model container [2022-11-25 17:53:08,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:08" (3/3) ... [2022-11-25 17:53:08,520 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:08,550 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:53:08,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:53:08,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:53:08,618 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;@f3a24d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:53:08,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:53:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 17:53:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:53:08,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:08,635 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:08,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:53:08,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:08,643 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:53:08,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:08,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144031497] [2022-11-25 17:53:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:08,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:53:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:09,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:53:09,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144031497] [2022-11-25 17:53:09,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144031497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:09,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:09,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:53:09,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425348042] [2022-11-25 17:53:09,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:09,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:53:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:53:09,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:53:09,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:53:09,608 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:09,649 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-25 17:53:09,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:53:09,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 17:53:09,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:09,659 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:53:09,659 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 17:53:09,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:53:09,666 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:09,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:53:09,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 17:53:09,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 17:53:09,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 17:53:09,707 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 17:53:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:09,708 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 17:53:09,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 17:53:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:53:09,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:09,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:09,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:53:09,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:53:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-11-25 17:53:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:53:09,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971064413] [2022-11-25 17:53:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:53:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:53:09,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:53:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:53:09,913 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:53:09,913 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:53:09,916 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:53:09,918 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:53:09,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:53:09,925 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:53:09,929 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:53:09,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:53:09 BoogieIcfgContainer [2022-11-25 17:53:09,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:53:09,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:53:09,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:53:09,998 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:53:10,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:08" (3/4) ... [2022-11-25 17:53:10,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:53:10,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:53:10,010 INFO L158 Benchmark]: Toolchain (without parser) took 3973.70ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 76.6MB in the end (delta: 30.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,010 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 86.0MB in the beginning and 85.9MB in the end (delta: 65.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:53:10,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1664.39ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.08ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,022 INFO L158 Benchmark]: Boogie Preprocessor took 54.65ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,023 INFO L158 Benchmark]: RCFGBuilder took 663.43ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,030 INFO L158 Benchmark]: TraceAbstraction took 1486.06ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 77.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-25 17:53:10,030 INFO L158 Benchmark]: Witness Printer took 13.27ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 76.6MB in the end (delta: 855.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:53:10,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory was 86.0MB in the beginning and 85.9MB in the end (delta: 65.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1664.39ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 104.5MB in the end (delta: 1.9MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.08ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 101.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.65ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 99.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.43ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 85.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1486.06ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 77.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 13.27ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 76.6MB in the end (delta: 855.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1558, overapproximation of bitwiseAnd at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=2147483654, argc=2147483654, argv={2147483651:2147483655}, argv={2147483651:2147483655}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE190_Integer_Overflow__int_rand_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_postinc_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myStruct={6:0}, rand()=1, rand()=0, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={5:0}, unknown-#in~myStruct!structFirst-unknown=2147483647] - UnprovableResult [Line: 1573]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:53:10,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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_7c8195cb-b08e-4b24-9874-1d098d72a814/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 d02d1045ff47d4f64d993649872fce384b3e693a6863a55ef0510884c2c3c94c --- 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 17:53:12,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:53:12,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:53:12,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:53:12,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:53:12,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:53:12,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:53:12,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:53:12,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:53:12,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:53:12,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:53:12,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:53:12,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:53:12,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:53:12,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:53:12,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:53:12,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:53:12,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:53:12,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:53:12,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:53:12,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:53:12,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:53:12,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:53:12,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:53:13,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:53:13,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:53:13,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:53:13,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:53:13,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:53:13,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:53:13,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:53:13,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:53:13,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:53:13,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:53:13,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:53:13,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:53:13,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:53:13,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:53:13,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:53:13,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:53:13,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:53:13,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:53:13,061 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:53:13,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:53:13,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:53:13,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:53:13,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:53:13,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:53:13,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:53:13,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:53:13,064 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:53:13,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:53:13,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:53:13,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:53:13,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:53:13,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:53:13,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:53:13,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:53:13,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:53:13,066 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:53:13,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:53:13,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:53:13,067 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:53:13,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:53:13,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:53:13,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:53:13,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:53:13,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:13,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:53:13,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:53:13,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:53:13,069 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:53:13,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:53:13,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:53:13,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:53:13,070 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:53:13,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:53:13,071 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:53:13,071 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_7c8195cb-b08e-4b24-9874-1d098d72a814/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d02d1045ff47d4f64d993649872fce384b3e693a6863a55ef0510884c2c3c94c [2022-11-25 17:53:13,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:53:13,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:53:13,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:53:13,553 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:53:13,556 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:53:13,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:17,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:53:17,748 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:53:17,748 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:17,780 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/12dd108d0/49267f9493e3419a819b2b3a87bc84ad/FLAG7b6983ffd [2022-11-25 17:53:17,803 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/data/12dd108d0/49267f9493e3419a819b2b3a87bc84ad [2022-11-25 17:53:17,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:53:17,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:53:17,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:17,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:53:17,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:53:17,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:17" (1/1) ... [2022-11-25 17:53:17,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641a31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:17, skipping insertion in model container [2022-11-25 17:53:17,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:17" (1/1) ... [2022-11-25 17:53:17,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:53:17,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:53:18,405 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:53:18,930 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:53:18,937 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:18,939 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:18,942 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:18,943 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:18,973 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:53:18,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:18,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:53:19,021 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:53:19,102 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:53:19,107 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:19,113 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:53:19,116 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:19,118 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:53:19,128 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:53:19,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:53:19,366 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:53:19,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19 WrapperNode [2022-11-25 17:53:19,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:53:19,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:19,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:53:19,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:53:19,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,492 INFO L138 Inliner]: procedures = 505, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2022-11-25 17:53:19,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:53:19,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:53:19,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:53:19,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:53:19,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,541 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:53:19,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:53:19,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:53:19,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:53:19,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (1/1) ... [2022-11-25 17:53:19,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:53:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:53:19,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:53:19,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:53:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:53:19,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:53:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:53:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:53:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:53:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:53:19,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:53:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:53:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:53:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:53:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:53:19,931 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:53:19,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:53:20,212 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:53:20,220 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:53:20,220 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:53:20,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:20 BoogieIcfgContainer [2022-11-25 17:53:20,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:53:20,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:53:20,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:53:20,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:53:20,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:53:17" (1/3) ... [2022-11-25 17:53:20,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d4db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:20, skipping insertion in model container [2022-11-25 17:53:20,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:19" (2/3) ... [2022-11-25 17:53:20,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d4db8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:20, skipping insertion in model container [2022-11-25 17:53:20,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:20" (3/3) ... [2022-11-25 17:53:20,243 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_67_bad.i [2022-11-25 17:53:20,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:53:20,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:53:20,343 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:53:20,355 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;@4fcc888d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:53:20,355 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:53:20,362 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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 17:53:20,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:53:20,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:20,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:20,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:53:20,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:20,387 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:53:20,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:53:20,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440960248] [2022-11-25 17:53:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:20,406 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 17:53:20,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:53:20,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:20,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:53:20,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:53:20,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:53:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:53:20,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:53:20,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:53:20,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440960248] [2022-11-25 17:53:20,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440960248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:53:20,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:53:20,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:53:20,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380029155] [2022-11-25 17:53:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:53:20,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:53:20,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:53:20,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:53:20,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:53:20,818 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:53:20,892 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-25 17:53:20,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:53:20,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 17:53:20,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:53:20,924 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:53:20,924 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 17:53:20,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:53:20,947 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:53:20,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:53:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 17:53:20,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 17:53:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:20,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 17:53:20,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 17:53:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:53:20,996 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 17:53:20,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:53:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 17:53:20,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:53:20,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:53:20,998 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:53:21,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:21,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:21,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:53:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:53:21,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-11-25 17:53:21,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:53:21,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164410444] [2022-11-25 17:53:21,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:53:21,218 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 17:53:21,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:53:21,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:21,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 (3)] Waiting until timeout for monitored process [2022-11-25 17:53:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:53:21,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:53:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:53:21,583 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:53:21,585 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:53:21,587 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:53:21,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:53:21,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:53:21,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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 17:53:21,797 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:53:21,802 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:53:21,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:53:21 BoogieIcfgContainer [2022-11-25 17:53:21,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:53:21,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:53:21,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:53:21,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:53:21,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:20" (3/4) ... [2022-11-25 17:53:21,843 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:53:21,899 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:53:21,899 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:53:21,900 INFO L158 Benchmark]: Toolchain (without parser) took 4091.87ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 43.6MB in the end (delta: 6.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,901 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:53:21,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1557.90ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 36.7MB in the end (delta: 12.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.41ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 33.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,903 INFO L158 Benchmark]: Boogie Preprocessor took 54.52ms. Allocated memory is still 75.5MB. Free memory was 33.4MB in the beginning and 31.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,904 INFO L158 Benchmark]: RCFGBuilder took 674.18ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 53.8MB in the end (delta: -22.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,904 INFO L158 Benchmark]: TraceAbstraction took 1612.60ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 46.2MB in the end (delta: 6.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,905 INFO L158 Benchmark]: Witness Printer took 59.35ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:53:21,909 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1557.90ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 36.7MB in the end (delta: 12.8MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.41ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 33.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.52ms. Allocated memory is still 75.5MB. Free memory was 33.4MB in the beginning and 31.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.18ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 53.8MB in the end (delta: -22.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1612.60ms. Allocated memory is still 92.3MB. Free memory was 52.7MB in the beginning and 46.2MB in the end (delta: 6.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 59.35ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 43.6MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 1573]: 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE190_Integer_Overflow__int_rand_postinc_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_postinc_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] 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, myStruct={7:0}, rand()=0, rand()=0, rand()=2, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data++ VAL [data=2147483647, data++=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={15:0}, unknown-#in~myStruct!structFirst-unknown=2147483647] - UnprovableResult [Line: 1573]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:53:21,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c8195cb-b08e-4b24-9874-1d098d72a814/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)