./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 60f2623d1c4b215cea109333835bb45ebbb4389612164807a7d7c000c5c9cc81 --- 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 17:50:05,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:50:05,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:50:05,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:50:05,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:50:05,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:50:05,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:50:05,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:50:05,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:50:05,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:50:05,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:50:05,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:50:05,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:50:05,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:50:05,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:50:05,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:50:05,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:50:05,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:50:05,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:50:05,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:50:05,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:50:05,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:50:05,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:50:05,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:50:05,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:50:05,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:50:05,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:50:05,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:50:05,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:50:05,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:50:05,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:50:05,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:50:05,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:50:05,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:50:05,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:50:05,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:50:05,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:50:05,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:50:05,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:50:05,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:50:05,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:50:05,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:50:05,974 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:50:05,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:50:05,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:50:05,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:50:05,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:50:05,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:50:05,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:50:05,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:50:05,976 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:50:05,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:50:05,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:50:05,980 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:50:05,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:50:05,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:50:05,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:50:05,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:50:05,981 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:50:05,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:50:05,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:50:05,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:50:05,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:50:05,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:50:05,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:50:05,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:05,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:50:05,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:50:05,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:50:05,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:50:05,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:50:05,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:50:05,985 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:50:05,985 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:50:05,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:50:05,986 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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f2623d1c4b215cea109333835bb45ebbb4389612164807a7d7c000c5c9cc81 [2022-11-25 17:50:06,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:50:06,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:50:06,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:50:06,310 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:50:06,310 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:50:06,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:09,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:50:09,697 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:50:09,698 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:09,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/7f26cd3e4/687fdbae369349ad8f1063c5e856a500/FLAG2f913862f [2022-11-25 17:50:09,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/7f26cd3e4/687fdbae369349ad8f1063c5e856a500 [2022-11-25 17:50:09,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:50:09,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:50:09,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:09,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:50:09,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:50:09,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:09" (1/1) ... [2022-11-25 17:50:09,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39393fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:09, skipping insertion in model container [2022-11-25 17:50:09,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:09" (1/1) ... [2022-11-25 17:50:09,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:50:09,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:50:10,195 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:10,599 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:10,608 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:10,611 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:10,613 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:10,614 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:10,642 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:10,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:10,659 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:50:10,679 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:10,724 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:10,726 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:10,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:10,733 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:10,747 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:10,753 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:10,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:10,972 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:50:10,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10 WrapperNode [2022-11-25 17:50:10,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:10,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:10,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:50:10,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:50:10,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,030 INFO L138 Inliner]: procedures = 500, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-11-25 17:50:11,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:11,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:50:11,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:50:11,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:50:11,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,057 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:50:11,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:50:11,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:50:11,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:50:11,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (1/1) ... [2022-11-25 17:50:11,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:11,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:50:11,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:50:11,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:50:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:50:11,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:50:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:50:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:50:11,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:50:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:50:11,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:50:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:50:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:50:11,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:50:11,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:50:11,282 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:50:11,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:50:11,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:50:11,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:50:11,486 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:50:11,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:11 BoogieIcfgContainer [2022-11-25 17:50:11,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:50:11,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:50:11,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:50:11,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:50:11,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:09" (1/3) ... [2022-11-25 17:50:11,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca6be5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:11, skipping insertion in model container [2022-11-25 17:50:11,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:10" (2/3) ... [2022-11-25 17:50:11,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ca6be5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:11, skipping insertion in model container [2022-11-25 17:50:11,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:11" (3/3) ... [2022-11-25 17:50:11,523 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:11,548 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:50:11,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:50:11,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:50:11,630 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;@5fdf3e97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:50:11,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:50:11,640 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 17:50:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:50:11,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:11,657 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:11,660 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:50:11,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:50:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:11,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946732233] [2022-11-25 17:50:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:11,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:50:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:12,428 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 17:50:12,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:50:12,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946732233] [2022-11-25 17:50:12,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946732233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:12,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:12,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:50:12,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727601148] [2022-11-25 17:50:12,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:12,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:50:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:50:12,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:50:12,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:50:12,505 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 17:50:12,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:12,533 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-25 17:50:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:50:12,536 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 17:50:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:12,543 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:50:12,543 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 17:50:12,546 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 17:50:12,549 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:50:12,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 32 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:50:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 17:50:12,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 17:50:12,582 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 17:50:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 17:50:12,584 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 17:50:12,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:12,584 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 17:50:12,585 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 17:50:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 17:50:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:50:12,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:12,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:12,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:50:12,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:50:12,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:12,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-11-25 17:50:12,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:50:12,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520770237] [2022-11-25 17:50:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:50:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:50:12,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:50:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:50:12,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:50:12,773 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:50:12,775 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:50:12,778 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:50:12,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:50:12,782 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:50:12,786 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:50:12,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:50:12 BoogieIcfgContainer [2022-11-25 17:50:12,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:50:12,847 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:50:12,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:50:12,848 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:50:12,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:11" (3/4) ... [2022-11-25 17:50:12,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:50:12,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:50:12,856 INFO L158 Benchmark]: Toolchain (without parser) took 3110.47ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 95.9MB in the beginning and 114.6MB in the end (delta: -18.7MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-11-25 17:50:12,857 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:12,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1225.92ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 95.5MB in the beginning and 135.5MB in the end (delta: -40.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2022-11-25 17:50:12,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.93ms. Allocated memory is still 188.7MB. Free memory was 134.5MB in the beginning and 131.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:50:12,865 INFO L158 Benchmark]: Boogie Preprocessor took 30.14ms. Allocated memory is still 188.7MB. Free memory was 131.3MB in the beginning and 130.4MB in the end (delta: 982.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:12,867 INFO L158 Benchmark]: RCFGBuilder took 435.93ms. Allocated memory is still 188.7MB. Free memory was 130.4MB in the beginning and 115.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:50:12,868 INFO L158 Benchmark]: TraceAbstraction took 1345.39ms. Allocated memory is still 188.7MB. Free memory was 114.6MB in the beginning and 115.6MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:12,868 INFO L158 Benchmark]: Witness Printer took 8.93ms. Allocated memory is still 188.7MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:12,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 132.1MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1225.92ms. Allocated memory was 132.1MB in the beginning and 188.7MB in the end (delta: 56.6MB). Free memory was 95.5MB in the beginning and 135.5MB in the end (delta: -40.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.93ms. Allocated memory is still 188.7MB. Free memory was 134.5MB in the beginning and 131.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.14ms. Allocated memory is still 188.7MB. Free memory was 131.3MB in the beginning and 130.4MB in the end (delta: 982.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 435.93ms. Allocated memory is still 188.7MB. Free memory was 130.4MB in the beginning and 115.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1345.39ms. Allocated memory is still 188.7MB. Free memory was 114.6MB in the beginning and 115.6MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.93ms. Allocated memory is still 188.7MB. Free memory is still 114.6MB. 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)=6442450950, argc=6442450950, argv={6442450948:6442450951}, argv={6442450948:6442450951}, 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_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_add_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()=0, rand()=3, rand()=65535, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-6442450945] [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_add_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data + 1 VAL [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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 20 mSDtfsCounter, 3 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, 0.1s 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 17:50:12,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 60f2623d1c4b215cea109333835bb45ebbb4389612164807a7d7c000c5c9cc81 --- 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 17:50:15,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:50:15,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:50:15,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:50:15,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:50:15,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:50:15,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:50:15,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:50:15,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:50:15,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:50:15,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:50:15,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:50:15,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:50:15,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:50:15,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:50:15,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:50:15,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:50:15,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:50:15,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:50:15,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:50:15,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:50:15,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:50:15,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:50:15,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:50:15,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:50:15,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:50:15,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:50:15,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:50:15,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:50:15,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:50:15,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:50:15,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:50:15,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:50:15,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:50:15,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:50:15,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:50:15,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:50:15,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:50:15,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:50:15,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:50:15,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:50:15,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:50:15,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:50:15,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:50:15,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:50:15,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:50:15,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:50:15,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:50:15,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:50:15,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:50:15,479 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:50:15,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:50:15,479 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:50:15,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:50:15,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:50:15,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:50:15,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:50:15,480 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:50:15,481 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:50:15,481 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:50:15,481 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:50:15,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:50:15,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:50:15,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:50:15,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:50:15,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:50:15,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:50:15,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:15,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:50:15,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:50:15,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:50:15,483 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:50:15,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:50:15,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:50:15,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:50:15,484 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:50:15,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:50:15,485 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:50:15,485 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_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f2623d1c4b215cea109333835bb45ebbb4389612164807a7d7c000c5c9cc81 [2022-11-25 17:50:15,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:50:15,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:50:15,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:50:15,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:50:15,933 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:50:15,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:18,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:50:19,394 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:50:19,394 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:19,425 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/e3d765634/81dcb357db9749a9ae7dc1c01c047ab3/FLAG1bc2ba45f [2022-11-25 17:50:19,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/data/e3d765634/81dcb357db9749a9ae7dc1c01c047ab3 [2022-11-25 17:50:19,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:50:19,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:50:19,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:19,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:50:19,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:50:19,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:19" (1/1) ... [2022-11-25 17:50:19,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af2fed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:19, skipping insertion in model container [2022-11-25 17:50:19,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:19" (1/1) ... [2022-11-25 17:50:19,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:50:19,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:50:20,003 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:20,517 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:20,524 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:20,527 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:20,536 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:20,536 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:20,561 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:20,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:20,578 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:50:20,596 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:50:20,638 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:50:20,639 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:20,640 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:50:20,642 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:20,643 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:50:20,648 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:50:20,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:50:20,834 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:50:20,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20 WrapperNode [2022-11-25 17:50:20,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:50:20,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:20,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:50:20,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:50:20,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,927 INFO L138 Inliner]: procedures = 505, calls = 63, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-11-25 17:50:20,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:50:20,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:50:20,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:50:20,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:50:20,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,981 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:20,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:50:20,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:50:20,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:50:20,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:50:20,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (1/1) ... [2022-11-25 17:50:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:50:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:50:21,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:50:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:50:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:50:21,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:50:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:50:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:50:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:50:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:50:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:50:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 17:50:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:50:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 17:50:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:50:21,227 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:50:21,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:50:21,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:50:21,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:50:21,436 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:50:21,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:21 BoogieIcfgContainer [2022-11-25 17:50:21,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:50:21,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:50:21,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:50:21,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:50:21,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:19" (1/3) ... [2022-11-25 17:50:21,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca83c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:21, skipping insertion in model container [2022-11-25 17:50:21,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:20" (2/3) ... [2022-11-25 17:50:21,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca83c4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:21, skipping insertion in model container [2022-11-25 17:50:21,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:21" (3/3) ... [2022-11-25 17:50:21,447 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_67_bad.i [2022-11-25 17:50:21,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:50:21,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:50:21,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:50:21,522 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;@ed61add, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:50:21,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:50:21,527 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 17:50:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:50:21,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:21,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:21,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:50:21,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:21,542 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:50:21,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:50:21,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642177527] [2022-11-25 17:50:21,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:21,559 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 17:50:21,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:50:21,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:21,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:50:21,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 17:50:21,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:50:21,824 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 17:50:21,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:50:21,824 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:50:21,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642177527] [2022-11-25 17:50:21,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642177527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:50:21,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:50:21,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 17:50:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100411068] [2022-11-25 17:50:21,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:50:21,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:50:21,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:50:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:50:21,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:50:21,882 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 17:50:21,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:50:21,904 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-25 17:50:21,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:50:21,906 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 17:50:21,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:50:21,913 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:50:21,914 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 17:50:21,916 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 17:50:21,923 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 17:50:21,925 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 17:50:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 17:50:21,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 17:50:21,958 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 17:50:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 17:50:21,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 17:50:21,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:50:21,962 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 17:50:21,962 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 17:50:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 17:50:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:50:21,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:50:21,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:50:21,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,175 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:50:22,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:50:22,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-11-25 17:50:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:50:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640353492] [2022-11-25 17:50:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:50:22,177 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 17:50:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:50:22,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:50:22,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:50:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:50:22,470 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:50:22,470 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:50:22,472 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:50:22,474 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:50:22,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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 17:50:22,678 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 17:50:22,682 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:50:22,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:50:22 BoogieIcfgContainer [2022-11-25 17:50:22,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:50:22,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:50:22,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:50:22,727 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:50:22,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:21" (3/4) ... [2022-11-25 17:50:22,729 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:50:22,782 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:50:22,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:50:22,783 INFO L158 Benchmark]: Toolchain (without parser) took 3325.01ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 55.2MB in the beginning and 63.6MB in the end (delta: -8.4MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,783 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:50:22,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.31ms. Allocated memory is still 75.5MB. Free memory was 55.2MB in the beginning and 44.2MB in the end (delta: 11.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.48ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 40.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,785 INFO L158 Benchmark]: Boogie Preprocessor took 58.50ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,785 INFO L158 Benchmark]: RCFGBuilder took 451.07ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 38.8MB in the beginning and 60.3MB in the end (delta: -21.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,786 INFO L158 Benchmark]: TraceAbstraction took 1285.76ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 53.3MB in the end (delta: 6.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,806 INFO L158 Benchmark]: Witness Printer took 55.60ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 63.6MB in the end (delta: -10.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-25 17:50:22,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.31ms. Allocated memory is still 75.5MB. Free memory was 55.2MB in the beginning and 44.2MB in the end (delta: 11.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.48ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 40.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.50ms. Allocated memory is still 75.5MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.07ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 38.8MB in the beginning and 60.3MB in the end (delta: -21.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1285.76ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 53.3MB in the end (delta: 6.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 55.60ms. Allocated memory is still 92.3MB. Free memory was 53.3MB in the beginning and 63.6MB in the end (delta: -10.3MB). Peak memory consumption was 6.5MB. 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_add_67_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_rand_add_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={5:0}, rand()=0, rand()=0, rand()=65536, 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_add_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data + 1 VAL [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={7:0}, 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 89 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 17:50:22,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9590ec03-7307-4fdf-8ecd-4599c537e6e5/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)