./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:52:52,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:52:52,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:52:52,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:52:52,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:52:52,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:52:52,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:52:52,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:52:52,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:52:52,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:52:52,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:52:52,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:52:52,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:52:52,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:52:52,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:52:53,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:52:53,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:52:53,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:52:53,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:52:53,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:52:53,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:52:53,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:52:53,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:52:53,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:52:53,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:52:53,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:52:53,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:52:53,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:52:53,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:52:53,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:52:53,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:52:53,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:52:53,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:52:53,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:52:53,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:52:53,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:52:53,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:52:53,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:52:53,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:52:53,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:52:53,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:52:53,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:52:53,079 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:52:53,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:52:53,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:52:53,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:52:53,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:52:53,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:52:53,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:52:53,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:52:53,083 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:52:53,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:52:53,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:52:53,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:52:53,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:52:53,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:52:53,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:52:53,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:52:53,085 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:52:53,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:52:53,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:52:53,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:52:53,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:52:53,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:52:53,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:52:53,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:53,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:52:53,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:52:53,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:52:53,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:52:53,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:52:53,088 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:52:53,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:52:53,089 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:52:53,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:52:53,089 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_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 [2022-11-25 15:52:53,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:52:53,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:52:53,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:52:53,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:52:53,421 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:52:53,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:52:56,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:52:56,989 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:52:56,990 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:52:57,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/ee727db1c/b6d300654ea54af99234387a681960e9/FLAG51046cf66 [2022-11-25 15:52:57,032 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/ee727db1c/b6d300654ea54af99234387a681960e9 [2022-11-25 15:52:57,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:52:57,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:52:57,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:57,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:52:57,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:52:57,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:57" (1/1) ... [2022-11-25 15:52:57,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1cf683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:57, skipping insertion in model container [2022-11-25 15:52:57,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:52:57" (1/1) ... [2022-11-25 15:52:57,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:52:57,147 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:52:57,564 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:52:58,407 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:52:58,417 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:52:58,419 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:52:58,428 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:52:58,430 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:52:58,461 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:52:58,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:58,481 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:52:58,516 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:52:58,570 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:52:58,574 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:52:58,575 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:52:58,585 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:52:58,586 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:52:58,591 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:52:58,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:52:58,771 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:52:58,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58 WrapperNode [2022-11-25 15:52:58,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:52:58,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:58,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:52:58,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:52:58,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,869 INFO L138 Inliner]: procedures = 503, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-11-25 15:52:58,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:52:58,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:52:58,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:52:58,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:52:58,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:52:58,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:52:58,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:52:58,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:52:58,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (1/1) ... [2022-11-25 15:52:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:52:58,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:52:58,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:52:58,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:52:59,016 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:52:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:52:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:52:59,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:52:59,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:52:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:52:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:52:59,259 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:52:59,261 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:52:59,404 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:52:59,411 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:52:59,411 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:52:59,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:59 BoogieIcfgContainer [2022-11-25 15:52:59,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:52:59,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:52:59,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:52:59,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:52:59,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:52:57" (1/3) ... [2022-11-25 15:52:59,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf58cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:59, skipping insertion in model container [2022-11-25 15:52:59,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:52:58" (2/3) ... [2022-11-25 15:52:59,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf58cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:52:59, skipping insertion in model container [2022-11-25 15:52:59,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:59" (3/3) ... [2022-11-25 15:52:59,427 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:52:59,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:52:59,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:52:59,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:52:59,514 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;@782945ee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:52:59,514 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:52:59,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:52:59,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:52:59,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:52:59,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:52:59,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:52:59,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:52:59,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-11-25 15:52:59,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:52:59,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074748643] [2022-11-25 15:52:59,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:52:59,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:52:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:53:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:53:00,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:53:00,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074748643] [2022-11-25 15:53:00,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074748643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:00,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:00,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 15:53:00,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750401239] [2022-11-25 15:53:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:00,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 15:53:00,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:53:00,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 15:53:00,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:00,256 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:00,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:00,298 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-11-25 15:53:00,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 15:53:00,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 15:53:00,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:00,307 INFO L225 Difference]: With dead ends: 25 [2022-11-25 15:53:00,307 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 15:53:00,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 15:53:00,313 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:00,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:00,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 15:53:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 15:53:00,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:00,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 15:53:00,348 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 15:53:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:00,348 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 15:53:00,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 15:53:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:53:00,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:00,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:00,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:53:00,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:53:00,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:00,355 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-11-25 15:53:00,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:53:00,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441281095] [2022-11-25 15:53:00,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:53:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:00,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:53:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:00,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:53:00,497 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:53:00,499 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:53:00,502 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:53:00,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:53:00,507 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:53:00,512 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:53:00,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:53:00 BoogieIcfgContainer [2022-11-25 15:53:00,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:53:00,559 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:53:00,559 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:53:00,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:53:00,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:52:59" (3/4) ... [2022-11-25 15:53:00,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:53:00,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:53:00,566 INFO L158 Benchmark]: Toolchain (without parser) took 3529.43ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 104.0MB in the beginning and 81.8MB in the end (delta: 22.2MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,569 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:00,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1734.36ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 104.0MB in the beginning and 151.0MB in the end (delta: -47.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.37ms. Allocated memory is still 192.9MB. Free memory was 151.0MB in the beginning and 147.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,577 INFO L158 Benchmark]: Boogie Preprocessor took 34.51ms. Allocated memory is still 192.9MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,578 INFO L158 Benchmark]: RCFGBuilder took 507.77ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 132.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,578 INFO L158 Benchmark]: TraceAbstraction took 1143.02ms. Allocated memory is still 192.9MB. Free memory was 131.1MB in the beginning and 81.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-11-25 15:53:00,579 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 192.9MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:00,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 144.7MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1734.36ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 104.0MB in the beginning and 151.0MB in the end (delta: -47.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.37ms. Allocated memory is still 192.9MB. Free memory was 151.0MB in the beginning and 147.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.51ms. Allocated memory is still 192.9MB. Free memory was 147.9MB in the beginning and 145.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.77ms. Allocated memory is still 192.9MB. Free memory was 145.8MB in the beginning and 132.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1143.02ms. Allocated memory is still 192.9MB. Free memory was 131.1MB in the beginning and 81.8MB in the end (delta: 49.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 192.9MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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] [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=3221225474, argc=3221225474, argv={3221225473:3221225475}, argv={3221225473:3221225475}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=3, rand()=65536, rand()=0, rand()=2147483647, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483649] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_add_54e_badSink(data) [L1582] data + 1 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 15:53:00,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:53:03,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:53:03,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:53:03,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:53:03,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:53:03,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:53:03,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:53:03,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:53:03,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:53:03,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:53:03,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:53:03,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:53:03,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:53:03,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:53:03,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:53:03,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:53:03,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:53:03,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:53:03,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:53:03,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:53:03,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:53:03,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:53:03,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:53:03,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:53:03,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:53:03,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:53:03,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:53:03,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:53:03,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:53:03,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:53:03,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:53:03,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:53:03,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:53:03,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:53:03,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:53:03,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:53:03,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:53:03,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:53:03,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:53:03,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:53:03,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:53:03,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 15:53:03,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:53:03,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:53:03,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:53:03,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:53:03,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:53:03,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:53:03,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:53:03,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:53:03,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:53:03,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:53:03,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:53:03,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:53:03,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:53:03,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:53:03,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:53:03,349 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:53:03,349 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:53:03,349 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:53:03,349 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:53:03,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:53:03,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:53:03,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:53:03,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:53:03,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:53:03,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:53:03,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:03,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:53:03,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:53:03,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:53:03,352 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:53:03,352 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:53:03,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:53:03,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:53:03,353 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:53:03,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:53:03,353 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:53:03,353 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_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16e516bb8370132cb059abacc3d436c8bc417e09b5dd31f8d9e939e7c1b7a412 [2022-11-25 15:53:03,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:53:03,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:53:03,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:53:03,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:53:03,745 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:53:03,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:53:06,846 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:53:07,300 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:53:07,302 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:53:07,334 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/861a4ebb8/c632dbdbde814615a017dbe6c373d646/FLAGfe605ed50 [2022-11-25 15:53:07,362 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/data/861a4ebb8/c632dbdbde814615a017dbe6c373d646 [2022-11-25 15:53:07,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:53:07,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:53:07,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:07,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:53:07,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:53:07,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da4b3d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:07, skipping insertion in model container [2022-11-25 15:53:07,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:53:07" (1/1) ... [2022-11-25 15:53:07,387 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:53:07,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:53:07,944 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:53:08,439 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:53:08,447 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:53:08,450 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:53:08,454 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:53:08,455 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:53:08,479 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:53:08,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:08,499 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:53:08,528 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:53:08,643 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:53:08,649 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:53:08,653 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:53:08,657 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:53:08,664 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:53:08,668 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:53:08,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:53:08,801 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:53:08,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08 WrapperNode [2022-11-25 15:53:08,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:53:08,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:08,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:53:08,804 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:53:08,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,897 INFO L138 Inliner]: procedures = 508, calls = 58, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 62 [2022-11-25 15:53:08,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:53:08,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:53:08,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:53:08,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:53:08,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,961 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:53:08,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:53:08,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:53:08,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:53:08,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (1/1) ... [2022-11-25 15:53:08,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:53:09,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:53:09,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:53:09,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:53:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:53:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:53:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:53:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:53:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:53:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:53:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:53:09,242 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:53:09,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:53:09,424 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:53:09,430 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:53:09,430 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:53:09,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:09 BoogieIcfgContainer [2022-11-25 15:53:09,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:53:09,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:53:09,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:53:09,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:53:09,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:53:07" (1/3) ... [2022-11-25 15:53:09,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbd66e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:09, skipping insertion in model container [2022-11-25 15:53:09,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:53:08" (2/3) ... [2022-11-25 15:53:09,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbd66e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:53:09, skipping insertion in model container [2022-11-25 15:53:09,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:09" (3/3) ... [2022-11-25 15:53:09,442 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_54_bad.i [2022-11-25 15:53:09,463 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:53:09,464 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:53:09,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:53:09,546 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;@20a446dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:53:09,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:53:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:53:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:53:09,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:09,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:09,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:53:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:09,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1515872846, now seen corresponding path program 1 times [2022-11-25 15:53:09,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:53:09,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879295728] [2022-11-25 15:53:09,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:09,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:53:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:53:09,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:53:09,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 15:53:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:53:09,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 15:53:09,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:53:09,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:53:09,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:53:09,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:53:09,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879295728] [2022-11-25 15:53:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879295728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:53:09,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:53:09,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 15:53:09,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601943026] [2022-11-25 15:53:09,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:53:09,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 15:53:09,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:53:09,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 15:53:09,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:53:09,928 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:09,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:53:09,954 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2022-11-25 15:53:09,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 15:53:09,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 15:53:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:53:09,965 INFO L225 Difference]: With dead ends: 25 [2022-11-25 15:53:09,965 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 15:53:09,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 15:53:09,973 INFO L413 NwaCegarLoop]: 26 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, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:53:09,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:53:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 15:53:10,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 15:53:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 15:53:10,017 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 15:53:10,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:53:10,019 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 15:53:10,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 15:53:10,019 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 15:53:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 15:53:10,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:53:10,021 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:53:10,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:10,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:53:10,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:53:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:53:10,238 INFO L85 PathProgramCache]: Analyzing trace with hash 252582083, now seen corresponding path program 1 times [2022-11-25 15:53:10,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:53:10,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73889694] [2022-11-25 15:53:10,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:53:10,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:53:10,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:53:10,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:53:10,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 15:53:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:10,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:53:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:53:10,457 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 15:53:10,457 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:53:10,459 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:53:10,461 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:53:10,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:53:10,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:53:10,673 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:53:10,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:53:10,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:53:10 BoogieIcfgContainer [2022-11-25 15:53:10,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:53:10,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:53:10,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:53:10,708 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:53:10,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:53:09" (3/4) ... [2022-11-25 15:53:10,710 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:53:10,773 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:53:10,773 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:53:10,780 INFO L158 Benchmark]: Toolchain (without parser) took 3409.89ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.3MB in the beginning and 39.2MB in the end (delta: 6.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,783 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:53:10,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1430.31ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.1MB in the beginning and 39.1MB in the end (delta: 6.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.30ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 62.1MB in the end (delta: -23.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,784 INFO L158 Benchmark]: Boogie Preprocessor took 69.22ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,785 INFO L158 Benchmark]: RCFGBuilder took 450.08ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 46.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,785 INFO L158 Benchmark]: TraceAbstraction took 1272.04ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 41.4MB in the end (delta: 4.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,785 INFO L158 Benchmark]: Witness Printer took 65.65ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 39.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:53:10,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 51.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1430.31ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 45.1MB in the beginning and 39.1MB in the end (delta: 6.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.30ms. Allocated memory is still 90.2MB. Free memory was 39.1MB in the beginning and 62.1MB in the end (delta: -23.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.22ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.08ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 46.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1272.04ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 41.4MB in the end (delta: 4.4MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Witness Printer took 65.65ms. Allocated memory is still 90.2MB. Free memory was 41.4MB in the beginning and 39.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1582]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_add_54_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=65536, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_add_54b_badSink(data) [L1567] CALL CWE190_Integer_Overflow__int_rand_add_54c_badSink(data) [L1572] CALL CWE190_Integer_Overflow__int_rand_add_54d_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_rand_add_54e_badSink(data) [L1582] data + 1 VAL [\old(data)=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1582]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 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, 26 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=25occurred 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, 59 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:53:10,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c446147-7f5b-46cf-a5aa-3d8c535fbf10/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)