./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8 --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 6884018b72ad8478fb0901b5ea44dc1ec0a9dd1cf1fca510909db6c68fe1cd6f --- 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-2329fc7 [2022-12-13 22:08:21,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:08:21,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:08:21,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:08:21,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:08:21,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:08:21,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:08:21,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:08:21,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:08:21,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:08:21,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:08:21,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:08:21,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:08:21,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:08:21,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:08:21,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:08:21,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:08:21,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:08:21,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:08:21,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:08:21,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:08:21,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:08:21,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:08:21,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:08:21,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:08:21,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:08:21,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:08:21,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:08:21,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:08:21,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:08:21,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:08:21,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:08:21,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:08:21,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:08:21,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:08:21,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:08:21,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:08:21,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:08:21,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:08:21,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:08:21,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:08:21,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 22:08:21,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:08:21,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:08:21,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:08:21,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:08:21,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:08:21,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:08:21,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:08:21,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:08:21,792 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:08:21,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:08:21,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:08:21,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 22:08:21,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:08:21,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:08:21,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:08:21,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:08:21,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:08:21,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:08:21,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:08:21,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:08:21,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:08:21,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:08:21,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:08:21,796 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:08:21,797 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_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6884018b72ad8478fb0901b5ea44dc1ec0a9dd1cf1fca510909db6c68fe1cd6f [2022-12-13 22:08:22,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:08:22,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:08:22,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:08:22,026 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:08:22,026 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:08:22,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:24,645 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:08:24,927 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:08:24,927 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:24,949 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/628dfb167/43b1fa47aefe49d48cbcdff4dedf0e6e/FLAG14a94fce2 [2022-12-13 22:08:24,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/628dfb167/43b1fa47aefe49d48cbcdff4dedf0e6e [2022-12-13 22:08:24,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:08:24,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:08:24,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:08:24,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:08:24,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:08:24,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:08:24" (1/1) ... [2022-12-13 22:08:24,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51294abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:24, skipping insertion in model container [2022-12-13 22:08:24,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:08:24" (1/1) ... [2022-12-13 22:08:24,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:08:25,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:08:25,314 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:08:25,704 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:08:25,709 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:25,711 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:25,714 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:25,715 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:26,057 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:08:26,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:08:26,064 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:08:26,076 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:08:26,103 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:08:26,104 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:26,105 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:26,107 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:26,107 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:26,116 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:08:26,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:08:26,349 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:08:26,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26 WrapperNode [2022-12-13 22:08:26,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:08:26,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:08:26,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:08:26,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:08:26,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,392 INFO L138 Inliner]: procedures = 939, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-12-13 22:08:26,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:08:26,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:08:26,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:08:26,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:08:26,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:08:26,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:08:26,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:08:26,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:08:26,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (1/1) ... [2022-12-13 22:08:26,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:08:26,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:08:26,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:08:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:08:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:08:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:08:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:08:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:08:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 22:08:26,584 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:08:26,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:08:26,706 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:08:26,710 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:08:26,710 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:08:26,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:08:26 BoogieIcfgContainer [2022-12-13 22:08:26,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:08:26,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:08:26,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:08:26,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:08:26,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:08:24" (1/3) ... [2022-12-13 22:08:26,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f212c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:08:26, skipping insertion in model container [2022-12-13 22:08:26,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:26" (2/3) ... [2022-12-13 22:08:26,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f212c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:08:26, skipping insertion in model container [2022-12-13 22:08:26,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:08:26" (3/3) ... [2022-12-13 22:08:26,720 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:26,738 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:08:26,738 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:08:26,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:08:26,779 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;@4a03fb98, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:08:26,779 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:08:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-12-13 22:08:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:08:26,787 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:08:26,788 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:08:26,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:08:26,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:08:26,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 22:08:26,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:08:26,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667632866] [2022-12-13 22:08:26,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:08:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:08:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:08:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 22:08:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 22:08:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 22:08:27,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 22:08:27,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667632866] [2022-12-13 22:08:27,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667632866] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 22:08:27,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 22:08:27,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 22:08:27,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119569905] [2022-12-13 22:08:27,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 22:08:27,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 22:08:27,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 22:08:27,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 22:08:27,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:08:27,037 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-12-13 22:08:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 22:08:27,049 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-12-13 22:08:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 22:08:27,051 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 [2022-12-13 22:08:27,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 22:08:27,055 INFO L225 Difference]: With dead ends: 23 [2022-12-13 22:08:27,055 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 22:08:27,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 22:08:27,059 INFO L413 NwaCegarLoop]: 24 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, 24 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 [2022-12-13 22:08:27,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 22:08:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 22:08:27,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 22:08:27,081 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) [2022-12-13 22:08:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 22:08:27,082 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 22:08:27,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 22:08:27,082 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 22:08:27,083 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) [2022-12-13 22:08:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 22:08:27,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 22:08:27,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:08:27,083 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:08:27,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 22:08:27,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:08:27,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:08:27,084 INFO L85 PathProgramCache]: Analyzing trace with hash 924119499, now seen corresponding path program 1 times [2022-12-13 22:08:27,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 22:08:27,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697408640] [2022-12-13 22:08:27,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:08:27,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 22:08:27,105 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 22:08:27,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519059702] [2022-12-13 22:08:27,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:08:27,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:08:27,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:08:27,107 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 22:08:27,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 22:08:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:08:27,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 22:08:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 22:08:27,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 22:08:27,212 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 22:08:27,213 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 22:08:27,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 22:08:27,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 22:08:27,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 22:08:27,426 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 22:08:27,436 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 22:08:27,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:08:27 BoogieIcfgContainer [2022-12-13 22:08:27,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 22:08:27,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 22:08:27,484 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 22:08:27,484 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 22:08:27,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:08:26" (3/4) ... [2022-12-13 22:08:27,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 22:08:27,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 22:08:27,488 INFO L158 Benchmark]: Toolchain (without parser) took 2521.49ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.7MB in the beginning and 50.8MB in the end (delta: 27.9MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,489 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:08:27,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.91ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.7MB in the beginning and 109.6MB in the end (delta: -30.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.25ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,490 INFO L158 Benchmark]: Boogie Preprocessor took 17.59ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,490 INFO L158 Benchmark]: RCFGBuilder took 301.00ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 89.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,491 INFO L158 Benchmark]: TraceAbstraction took 769.05ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 51.9MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-13 22:08:27,491 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 144.7MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 22:08:27,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 119.5MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1381.91ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 78.7MB in the beginning and 109.6MB in the end (delta: -30.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.25ms. Allocated memory is still 144.7MB. Free memory was 109.6MB in the beginning and 105.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.59ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.00ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 89.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 769.05ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 51.9MB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 144.7MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1835]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1844, overapproximation of bitwiseAnd at line 1844. 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] [L1850] 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) [L1850] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={14:13}, argv={14:13}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1851] CALL CWE190_Integer_Overflow__int_rand_square_44_bad() [L1841] int data; [L1842] void (*funcPtr) (int) = badSink; [L1843] data = 0 [L1844] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1844] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [={-1:0}, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=2147483647, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1844] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1845] CALL funcPtr(data) [L1835] data * data VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1835]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 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, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2022-12-13 22:08:27,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8 --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 6884018b72ad8478fb0901b5ea44dc1ec0a9dd1cf1fca510909db6c68fe1cd6f --- 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-2329fc7 [2022-12-13 22:08:29,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 22:08:29,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 22:08:29,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 22:08:29,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 22:08:29,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 22:08:29,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 22:08:29,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 22:08:29,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 22:08:29,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 22:08:29,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 22:08:29,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 22:08:29,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 22:08:29,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 22:08:29,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 22:08:29,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 22:08:29,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 22:08:29,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 22:08:29,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 22:08:29,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 22:08:29,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 22:08:29,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 22:08:29,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 22:08:29,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 22:08:29,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 22:08:29,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 22:08:29,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 22:08:29,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 22:08:29,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 22:08:29,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 22:08:29,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 22:08:29,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 22:08:29,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 22:08:29,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 22:08:29,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 22:08:29,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 22:08:29,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 22:08:29,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 22:08:29,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 22:08:29,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 22:08:29,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 22:08:29,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 22:08:29,240 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 22:08:29,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 22:08:29,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 22:08:29,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 22:08:29,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 22:08:29,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 22:08:29,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 22:08:29,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 22:08:29,243 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 22:08:29,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 22:08:29,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 22:08:29,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 22:08:29,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 22:08:29,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 22:08:29,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 22:08:29,245 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 22:08:29,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 22:08:29,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 22:08:29,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 22:08:29,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 22:08:29,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:08:29,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 22:08:29,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 22:08:29,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 22:08:29,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 22:08:29,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 22:08:29,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 22:08:29,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 22:08:29,248 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 22:08:29,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 22:08:29,248 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 22:08:29,249 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 22:08:29,249 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_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6884018b72ad8478fb0901b5ea44dc1ec0a9dd1cf1fca510909db6c68fe1cd6f [2022-12-13 22:08:29,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 22:08:29,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 22:08:29,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 22:08:29,495 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 22:08:29,495 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 22:08:29,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:32,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 22:08:32,256 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 22:08:32,257 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:32,273 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/defae54d8/0d03a81e25294de0b192b2a5f2f4f799/FLAG853f8823e [2022-12-13 22:08:32,553 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/data/defae54d8/0d03a81e25294de0b192b2a5f2f4f799 [2022-12-13 22:08:32,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 22:08:32,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 22:08:32,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 22:08:32,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 22:08:32,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 22:08:32,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:08:32" (1/1) ... [2022-12-13 22:08:32,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fe0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:32, skipping insertion in model container [2022-12-13 22:08:32,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:08:32" (1/1) ... [2022-12-13 22:08:32,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 22:08:32,618 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 22:08:32,966 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:08:33,459 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:08:33,463 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:33,464 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:33,466 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:33,467 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:33,854 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:08:33,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:08:33,866 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 22:08:33,881 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 22:08:33,925 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 22:08:33,927 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:33,928 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 22:08:33,929 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:33,930 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 22:08:33,940 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 22:08:33,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 22:08:34,143 INFO L208 MainTranslator]: Completed translation [2022-12-13 22:08:34,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34 WrapperNode [2022-12-13 22:08:34,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 22:08:34,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 22:08:34,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 22:08:34,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 22:08:34,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,189 INFO L138 Inliner]: procedures = 944, calls = 56, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2022-12-13 22:08:34,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 22:08:34,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 22:08:34,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 22:08:34,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 22:08:34,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 22:08:34,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 22:08:34,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 22:08:34,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 22:08:34,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (1/1) ... [2022-12-13 22:08:34,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 22:08:34,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 22:08:34,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 22:08:34,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 22:08:34,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 22:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 22:08:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 22:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 22:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 22:08:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 22:08:34,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 22:08:34,393 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 22:08:34,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 22:08:37,099 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 22:08:37,104 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 22:08:37,104 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 22:08:37,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:08:37 BoogieIcfgContainer [2022-12-13 22:08:37,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 22:08:37,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 22:08:37,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 22:08:37,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 22:08:37,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:08:32" (1/3) ... [2022-12-13 22:08:37,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef57325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:08:37, skipping insertion in model container [2022-12-13 22:08:37,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:08:34" (2/3) ... [2022-12-13 22:08:37,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ef57325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:08:37, skipping insertion in model container [2022-12-13 22:08:37,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:08:37" (3/3) ... [2022-12-13 22:08:37,113 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_44_bad.i [2022-12-13 22:08:37,128 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 22:08:37,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 22:08:37,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 22:08:37,175 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;@39521bf2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 22:08:37,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 22:08:37,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2022-12-13 22:08:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 22:08:37,185 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 22:08:37,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 22:08:37,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 22:08:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 22:08:37,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1415283626, now seen corresponding path program 1 times [2022-12-13 22:08:37,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 22:08:37,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051360024] [2022-12-13 22:08:37,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 22:08:37,200 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 [2022-12-13 22:08:37,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 22:08:37,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 22:08:37,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e054c040-2069-4cb0-8abb-3abf9fbd9696/bin/uautomizer-uyxdKDjOR8/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