./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- 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 14:48:50,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:48:50,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:48:50,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:48:50,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:48:50,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:48:50,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:48:50,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:48:50,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:48:50,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:48:50,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:48:50,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:48:50,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:48:50,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:48:50,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:48:50,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:48:50,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:48:50,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:48:50,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:48:50,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:48:50,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:48:50,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:48:50,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:48:50,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:48:50,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:48:50,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:48:50,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:48:50,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:48:50,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:48:50,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:48:50,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:48:50,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:48:50,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:48:50,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:48:50,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:48:50,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:48:50,793 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:48:50,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:48:50,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:48:50,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:48:50,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:48:50,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 14:48:50,821 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:48:50,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:48:50,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:48:50,822 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:48:50,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:48:50,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:48:50,823 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:48:50,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:48:50,823 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:48:50,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:48:50,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:48:50,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:48:50,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:48:50,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:48:50,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:48:50,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:48:50,825 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:48:50,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:48:50,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:48:50,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:48:50,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:48:50,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:48:50,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:48:50,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:48:50,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:48:50,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:48:50,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:48:50,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:48:50,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:48:50,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:48:50,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:48:50,828 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:48:50,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:48:50,828 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:48:50,828 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_394281a3-9a08-4c84-94c6-2b5dc3b64743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2022-12-13 14:48:51,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:48:51,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:48:51,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:48:51,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:48:51,028 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:48:51,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:48:53,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:48:53,879 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:48:53,879 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:48:53,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/becb1db68/b6f94c46afda4a4486ead7ad2457df47/FLAG18d9adef9 [2022-12-13 14:48:54,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/becb1db68/b6f94c46afda4a4486ead7ad2457df47 [2022-12-13 14:48:54,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:48:54,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:48:54,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:48:54,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:48:54,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:48:54,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:48:54" (1/1) ... [2022-12-13 14:48:54,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df3f782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:54, skipping insertion in model container [2022-12-13 14:48:54,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:48:54" (1/1) ... [2022-12-13 14:48:54,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:48:54,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:48:54,498 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:48:54,792 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:48:54,797 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:48:54,800 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:48:54,802 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:48:54,803 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:48:54,829 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:48:54,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:48:54,838 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:48:54,854 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:48:54,886 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:48:54,887 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:48:54,888 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:48:54,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:48:54,890 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:48:54,894 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:48:54,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:48:55,039 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:48:55,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55 WrapperNode [2022-12-13 14:48:55,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:48:55,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:48:55,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:48:55,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:48:55,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,092 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-13 14:48:55,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:48:55,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:48:55,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:48:55,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:48:55,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:48:55,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:48:55,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:48:55,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:48:55,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (1/1) ... [2022-12-13 14:48:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:48:55,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:48:55,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:48:55,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:48:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:48:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:48:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:48:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:48:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:48:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:48:55,285 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:48:55,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:48:55,405 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:48:55,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:48:55,411 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:48:55,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:48:55 BoogieIcfgContainer [2022-12-13 14:48:55,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:48:55,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:48:55,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:48:55,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:48:55,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:48:54" (1/3) ... [2022-12-13 14:48:55,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40622c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:48:55, skipping insertion in model container [2022-12-13 14:48:55,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:48:55" (2/3) ... [2022-12-13 14:48:55,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40622c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:48:55, skipping insertion in model container [2022-12-13 14:48:55,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:48:55" (3/3) ... [2022-12-13 14:48:55,421 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:48:55,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:48:55,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:48:55,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:48:55,477 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;@23b77177, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:48:55,478 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:48:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 14:48:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:48:55,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:55,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:55,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:48:55,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:55,490 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 14:48:55,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:55,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678067226] [2022-12-13 14:48:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:55,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 14:48:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:48:55,890 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 14:48:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:48:55,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678067226] [2022-12-13 14:48:55,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678067226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:48:55,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:48:55,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:48:55,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983233357] [2022-12-13 14:48:55,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:48:55,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:48:55,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:48:55,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:48:55,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:48:55,922 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 14:48:55,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:48:55,962 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-13 14:48:55,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:48:55,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 14:48:55,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:48:55,969 INFO L225 Difference]: With dead ends: 21 [2022-12-13 14:48:55,969 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 14:48:55,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:48:55,973 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 14:48:55,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 38 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:48:55,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 14:48:55,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 14:48:55,997 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 14:48:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 14:48:55,998 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 14:48:55,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:48:55,999 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 14:48:55,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 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 14:48:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 14:48:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 14:48:56,000 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:48:56,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:48:56,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:48:56,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:48:56,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:48:56,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-13 14:48:56,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:48:56,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50586131] [2022-12-13 14:48:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:48:56,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:48:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:48:56,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:48:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:48:56,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:48:56,067 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:48:56,068 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:48:56,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:48:56,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:48:56,072 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 14:48:56,075 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:48:56,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:48:56 BoogieIcfgContainer [2022-12-13 14:48:56,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:48:56,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:48:56,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:48:56,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:48:56,094 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:48:55" (3/4) ... [2022-12-13 14:48:56,097 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:48:56,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:48:56,098 INFO L158 Benchmark]: Toolchain (without parser) took 1883.11ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 80.0MB in the beginning and 68.3MB in the end (delta: 11.7MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,098 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:48:56,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.99ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 79.7MB in the beginning and 99.8MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.11ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 96.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,100 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 163.6MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,100 INFO L158 Benchmark]: RCFGBuilder took 297.97ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 80.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,101 INFO L158 Benchmark]: TraceAbstraction took 677.75ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 69.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 14:48:56,101 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 163.6MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:48:56,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.99ms. Allocated memory was 117.4MB in the beginning and 163.6MB in the end (delta: 46.1MB). Free memory was 79.7MB in the beginning and 99.8MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.11ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 96.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 163.6MB. Free memory was 96.8MB in the beginning and 94.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.97ms. Allocated memory is still 163.6MB. Free memory was 94.7MB in the beginning and 80.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 677.75ms. Allocated memory is still 163.6MB. Free memory was 80.1MB in the beginning and 69.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 163.6MB. Free memory was 69.4MB in the beginning and 68.3MB in the end (delta: 1.0MB). 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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] [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [\old(argc)=2147483653, argc=2147483653, argv={2147483651:2147483655}, argv={2147483651:2147483655}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={5:0}, data=0, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=32767, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [data=2147483647, data={5:0}, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 18 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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 14:48:56,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/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_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- 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 14:48:57,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:48:57,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:48:57,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:48:57,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:48:57,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:48:57,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:48:57,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:48:57,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:48:57,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:48:57,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:48:57,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:48:57,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:48:57,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:48:57,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:48:57,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:48:57,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:48:57,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:48:57,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:48:57,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:48:57,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:48:57,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:48:57,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:48:57,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:48:57,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:48:57,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:48:57,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:48:57,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:48:57,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:48:57,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:48:57,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:48:57,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:48:57,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:48:57,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:48:57,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:48:57,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:48:57,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:48:57,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:48:57,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:48:57,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:48:57,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:48:57,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 14:48:57,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:48:57,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:48:57,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:48:57,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:48:57,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:48:57,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:48:57,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:48:57,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:48:57,784 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:48:57,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:48:57,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:48:57,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:48:57,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 14:48:57,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 14:48:57,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:48:57,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:48:57,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:48:57,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:48:57,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:48:57,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:48:57,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:48:57,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:48:57,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:48:57,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:48:57,787 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 14:48:57,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 14:48:57,788 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:48:57,789 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_394281a3-9a08-4c84-94c6-2b5dc3b64743/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2022-12-13 14:48:58,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:48:58,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:48:58,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:48:58,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:48:58,043 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:48:58,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:49:00,679 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:49:00,932 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:49:00,932 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:49:00,946 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/e03be0f83/d474f19a6a0b48fb95f23b62d7559d81/FLAG694467a96 [2022-12-13 14:49:00,956 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/data/e03be0f83/d474f19a6a0b48fb95f23b62d7559d81 [2022-12-13 14:49:00,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:49:00,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:49:00,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:49:00,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:49:00,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:49:00,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:49:00" (1/1) ... [2022-12-13 14:49:00,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e50926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:00, skipping insertion in model container [2022-12-13 14:49:00,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:49:00" (1/1) ... [2022-12-13 14:49:00,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:49:01,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:49:01,238 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:49:01,544 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:49:01,548 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:49:01,549 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:49:01,551 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:49:01,551 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:49:01,568 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:49:01,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:49:01,578 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:49:01,591 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 14:49:01,623 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 14:49:01,624 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:49:01,625 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 14:49:01,626 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:49:01,626 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 14:49:01,630 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 14:49:01,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:49:01,717 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:49:01,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01 WrapperNode [2022-12-13 14:49:01,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:49:01,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:49:01,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:49:01,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:49:01,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,755 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-12-13 14:49:01,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:49:01,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:49:01,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:49:01,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:49:01,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,774 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:49:01,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:49:01,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:49:01,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:49:01,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (1/1) ... [2022-12-13 14:49:01,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:49:01,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:49:01,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:49:01,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 14:49:01,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 14:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 14:49:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:49:01,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 14:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 14:49:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 14:49:01,952 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:49:01,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:49:02,085 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:49:02,091 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:49:02,091 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 14:49:02,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:49:02 BoogieIcfgContainer [2022-12-13 14:49:02,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:49:02,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:49:02,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:49:02,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:49:02,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:49:00" (1/3) ... [2022-12-13 14:49:02,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27294c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:49:02, skipping insertion in model container [2022-12-13 14:49:02,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:49:01" (2/3) ... [2022-12-13 14:49:02,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27294c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:49:02, skipping insertion in model container [2022-12-13 14:49:02,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:49:02" (3/3) ... [2022-12-13 14:49:02,102 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2022-12-13 14:49:02,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:49:02,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 14:49:02,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:49:02,175 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;@29f8a4b6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:49:02,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 14:49:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 14:49:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 14:49:02,187 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:49:02,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:49:02,188 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:49:02,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:49:02,193 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 14:49:02,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:49:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578027225] [2022-12-13 14:49:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:49:02,211 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 14:49:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:49:02,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 14:49:02,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 [2022-12-13 14:49:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:49:02,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 14:49:02,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:49:02,375 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 14:49:02,375 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 14:49:02,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 14:49:02,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578027225] [2022-12-13 14:49:02,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578027225] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:49:02,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:49:02,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 14:49:02,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089169202] [2022-12-13 14:49:02,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:49:02,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:49:02,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 14:49:02,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:49:02,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:49:02,410 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 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 14:49:02,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 14:49:02,428 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-13 14:49:02,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:49:02,430 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 14:49:02,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 14:49:02,436 INFO L225 Difference]: With dead ends: 21 [2022-12-13 14:49:02,436 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 14:49:02,439 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 [2022-12-13 14:49:02,442 INFO L413 NwaCegarLoop]: 22 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, 22 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 14:49:02,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 14:49:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 14:49:02,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 14:49:02,473 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 14:49:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 14:49:02,475 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 14:49:02,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 14:49:02,475 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 14:49:02,475 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 14:49:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 14:49:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 14:49:02,476 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:49:02,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:49:02,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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)] Forceful destruction successful, exit code 0 [2022-12-13 14:49:02,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 [2022-12-13 14:49:02,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 14:49:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:49:02,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-13 14:49:02,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 14:49:02,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216225729] [2022-12-13 14:49:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:49:02,679 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 14:49:02,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 14:49:02,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 14:49:02,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 (3)] Waiting until timeout for monitored process [2022-12-13 14:49:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:49:02,767 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:49:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:49:02,827 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 14:49:02,828 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 14:49:02,829 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 14:49:02,830 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 14:49:02,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 (3)] Ended with exit code 0 [2022-12-13 14:49:03,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/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 [2022-12-13 14:49:03,043 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 14:49:03,055 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:49:03,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:49:03 BoogieIcfgContainer [2022-12-13 14:49:03,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:49:03,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:49:03,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:49:03,128 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:49:03,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:49:02" (3/4) ... [2022-12-13 14:49:03,134 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 14:49:03,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:49:03,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:49:03,197 INFO L158 Benchmark]: Toolchain (without parser) took 2237.22ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.3MB in the beginning and 65.1MB in the end (delta: -12.7MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,197 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:49:03,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.80ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 68.0MB in the end (delta: -15.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.35ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 64.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,199 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,199 INFO L158 Benchmark]: RCFGBuilder took 314.57ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 48.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,200 INFO L158 Benchmark]: TraceAbstraction took 1030.57ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 40.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,200 INFO L158 Benchmark]: Witness Printer took 68.89ms. Allocated memory is still 94.4MB. Free memory was 40.9MB in the beginning and 65.1MB in the end (delta: -24.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-12-13 14:49:03,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.4MB in the beginning and 31.3MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.80ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 52.1MB in the beginning and 68.0MB in the end (delta: -15.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.35ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 64.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.57ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 48.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1030.57ms. Allocated memory is still 94.4MB. Free memory was 48.2MB in the beginning and 40.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 68.89ms. Allocated memory is still 94.4MB. Free memory was 40.9MB in the beginning and 65.1MB in the end (delta: -24.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1562]: 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] [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data + 1 VAL [data=2147483647, data={5:0}, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1562]: 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 22 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, 22 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=21occurred 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, 82 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! [2022-12-13 14:49:03,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_394281a3-9a08-4c84-94c6-2b5dc3b64743/bin/uautomizer-uyxdKDjOR8/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)