./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 18342f8fa579fa514a3818f1fb20a09b47fbc8bea4390c1bef5684a54dc9a78c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:25:33,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:25:33,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:25:33,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:25:33,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:25:33,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:25:33,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:25:33,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:25:33,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:25:33,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:25:33,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:25:33,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:25:33,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:25:33,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:25:33,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:25:33,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:25:33,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:25:33,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:25:33,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:25:33,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:25:33,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:25:33,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:25:33,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:25:33,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:25:33,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:25:33,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:25:33,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:25:33,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:25:33,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:25:33,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:25:33,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:25:33,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:25:33,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:25:33,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:25:33,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:25:33,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:25:33,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:25:33,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:25:33,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:25:33,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:25:33,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:25:33,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 16:25:33,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:25:33,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:25:33,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:25:33,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:25:33,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:25:33,123 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:25:33,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:25:33,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:25:33,124 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:25:33,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:25:33,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:25:33,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:25:33,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:25:33,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:25:33,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:25:33,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:25:33,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:25:33,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:25:33,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:25:33,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:25:33,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:25:33,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:25:33,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:25:33,135 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:25:33,135 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_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18342f8fa579fa514a3818f1fb20a09b47fbc8bea4390c1bef5684a54dc9a78c [2022-12-13 16:25:33,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:25:33,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:25:33,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:25:33,349 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:25:33,349 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:25:33,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:36,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:25:36,244 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:25:36,245 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:36,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/29f727fbe/be807f08acfa47c59f33983174c359bd/FLAG6e0f8547f [2022-12-13 16:25:36,268 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/29f727fbe/be807f08acfa47c59f33983174c359bd [2022-12-13 16:25:36,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:25:36,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:25:36,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:25:36,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:25:36,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:25:36,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:25:36" (1/1) ... [2022-12-13 16:25:36,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6920d34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:36, skipping insertion in model container [2022-12-13 16:25:36,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:25:36" (1/1) ... [2022-12-13 16:25:36,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:25:36,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:25:36,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:25:36,901 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:25:36,906 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:36,908 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:36,910 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:36,911 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:36,940 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:25:36,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:25:36,949 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:25:36,962 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:25:36,990 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:25:36,992 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:36,992 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:36,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:36,994 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:36,998 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:25:36,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:25:37,143 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:25:37,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37 WrapperNode [2022-12-13 16:25:37,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:25:37,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:25:37,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:25:37,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:25:37,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,192 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 16:25:37,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:25:37,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:25:37,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:25:37,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:25:37,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:25:37,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:25:37,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:25:37,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:25:37,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (1/1) ... [2022-12-13 16:25:37,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:25:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:25:37,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:25:37,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:25:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:25:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:25:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:25:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:25:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:25:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:25:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 16:25:37,409 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:25:37,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:25:37,544 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:25:37,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:25:37,550 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:25:37,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:37 BoogieIcfgContainer [2022-12-13 16:25:37,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:25:37,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:25:37,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:25:37,557 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:25:37,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:25:36" (1/3) ... [2022-12-13 16:25:37,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5673ac94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:25:37, skipping insertion in model container [2022-12-13 16:25:37,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:37" (2/3) ... [2022-12-13 16:25:37,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5673ac94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:25:37, skipping insertion in model container [2022-12-13 16:25:37,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:37" (3/3) ... [2022-12-13 16:25:37,560 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:37,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:25:37,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:25:37,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:25:37,628 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;@42d809d0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:25:37,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:25:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:25:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:25:37,639 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:25:37,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:25:37,641 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:25:37,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:25:37,646 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 16:25:37,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:25:37,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972529798] [2022-12-13 16:25:37,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:25:37,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:25:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:25:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 16:25:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:25:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:25:37,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:25:37,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972529798] [2022-12-13 16:25:37,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972529798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:25:37,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:25:37,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 16:25:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664254605] [2022-12-13 16:25:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:25:37,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 16:25:37,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:25:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 16:25:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 16:25:38,025 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 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) [2022-12-13 16:25:38,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:25:38,050 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-13 16:25:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 16:25:38,053 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 [2022-12-13 16:25:38,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:25:38,059 INFO L225 Difference]: With dead ends: 21 [2022-12-13 16:25:38,059 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:25:38,062 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 [2022-12-13 16:25:38,065 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 2 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:25:38,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 36 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:25:38,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:25:38,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:25:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:25:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:25:38,098 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:25:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:25:38,099 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:25:38,099 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) [2022-12-13 16:25:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:25:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:25:38,099 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:25:38,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:25:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 16:25:38,100 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:25:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:25:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-13 16:25:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:25:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384827900] [2022-12-13 16:25:38,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:25:38,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:25:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:38,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:25:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:38,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:25:38,183 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:25:38,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:25:38,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:25:38,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 16:25:38,191 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:25:38,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:25:38,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:25:38 BoogieIcfgContainer [2022-12-13 16:25:38,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:25:38,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:25:38,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:25:38,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:25:38,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:37" (3/4) ... [2022-12-13 16:25:38,222 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:25:38,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:25:38,223 INFO L158 Benchmark]: Toolchain (without parser) took 1951.43ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 93.2MB in the beginning and 103.1MB in the end (delta: -9.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-12-13 16:25:38,224 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 101.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:38,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 872.07ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 93.2MB in the beginning and 111.0MB in the end (delta: -17.9MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2022-12-13 16:25:38,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.88ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 107.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 16:25:38,225 INFO L158 Benchmark]: Boogie Preprocessor took 26.05ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:38,226 INFO L158 Benchmark]: RCFGBuilder took 331.82ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 92.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 16:25:38,226 INFO L158 Benchmark]: TraceAbstraction took 663.56ms. Allocated memory is still 163.6MB. Free memory was 92.1MB in the beginning and 104.2MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:38,226 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 163.6MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:38,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 101.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 872.07ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 93.2MB in the beginning and 111.0MB in the end (delta: -17.9MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.88ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 107.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.05ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 106.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 331.82ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 92.9MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 663.56ms. Allocated memory is still 163.6MB. Free memory was 92.1MB in the beginning and 104.2MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 163.6MB. Free memory is still 103.1MB. 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1552, overapproximation of bitwiseAnd at line 1552. 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] [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] 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()=0, rand()=1, rand()=0, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data++ VAL [data=2147483647, data=2147483647, data++=2147483647, dataCopy=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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 19 mSDtfsCounter, 5 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=21occurred 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, 0.2s 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 [2022-12-13 16:25:38,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 18342f8fa579fa514a3818f1fb20a09b47fbc8bea4390c1bef5684a54dc9a78c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 16:25:39,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:25:39,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:25:39,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:25:39,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:25:39,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:25:39,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:25:40,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:25:40,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:25:40,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:25:40,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:25:40,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:25:40,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:25:40,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:25:40,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:25:40,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:25:40,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:25:40,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:25:40,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:25:40,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:25:40,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:25:40,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:25:40,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:25:40,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:25:40,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:25:40,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:25:40,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:25:40,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:25:40,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:25:40,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:25:40,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:25:40,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:25:40,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:25:40,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:25:40,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:25:40,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:25:40,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:25:40,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:25:40,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:25:40,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:25:40,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:25:40,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 16:25:40,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:25:40,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:25:40,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:25:40,077 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:25:40,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 16:25:40,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 16:25:40,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:25:40,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:25:40,079 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:25:40,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:25:40,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:25:40,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:25:40,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 16:25:40,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 16:25:40,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 16:25:40,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 16:25:40,081 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 16:25:40,081 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 16:25:40,081 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 16:25:40,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:25:40,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:25:40,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 16:25:40,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:25:40,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:25:40,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 16:25:40,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:25:40,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:25:40,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 16:25:40,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 16:25:40,083 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 16:25:40,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 16:25:40,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 16:25:40,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 16:25:40,095 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 16:25:40,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 16:25:40,095 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 16:25:40,095 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 16:25:40,096 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_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18342f8fa579fa514a3818f1fb20a09b47fbc8bea4390c1bef5684a54dc9a78c [2022-12-13 16:25:40,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:25:40,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:25:40,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:25:40,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:25:40,350 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:25:40,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:42,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:25:43,125 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:25:43,126 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:43,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/f457fcc58/b15754544e204d528657fb722dff1f0d/FLAG2f923be03 [2022-12-13 16:25:43,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/data/f457fcc58/b15754544e204d528657fb722dff1f0d [2022-12-13 16:25:43,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:25:43,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:25:43,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:25:43,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:25:43,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:25:43,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:43,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb84248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43, skipping insertion in model container [2022-12-13 16:25:43,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:43,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:25:43,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:25:43,438 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:25:43,776 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:25:43,780 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:43,782 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:43,783 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:43,784 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:43,805 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:25:43,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:25:43,817 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:25:43,835 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 16:25:43,868 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 16:25:43,869 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:43,870 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 16:25:43,871 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:43,872 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 16:25:43,875 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 16:25:43,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:25:43,978 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:25:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43 WrapperNode [2022-12-13 16:25:43,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:25:43,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:25:43,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:25:43,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:25:43,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,028 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-13 16:25:44,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:25:44,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:25:44,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:25:44,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:25:44,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:25:44,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:25:44,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:25:44,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:25:44,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (1/1) ... [2022-12-13 16:25:44,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 16:25:44,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:25:44,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 16:25:44,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 16:25:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 16:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 16:25:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 16:25:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 16:25:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:25:44,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:25:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 16:25:44,219 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:25:44,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:25:44,323 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:25:44,328 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:25:44,329 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 16:25:44,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:44 BoogieIcfgContainer [2022-12-13 16:25:44,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:25:44,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 16:25:44,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 16:25:44,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 16:25:44,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:25:43" (1/3) ... [2022-12-13 16:25:44,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8e905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:25:44, skipping insertion in model container [2022-12-13 16:25:44,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:25:43" (2/3) ... [2022-12-13 16:25:44,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8e905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:25:44, skipping insertion in model container [2022-12-13 16:25:44,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:44" (3/3) ... [2022-12-13 16:25:44,339 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_31_bad.i [2022-12-13 16:25:44,356 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 16:25:44,356 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 16:25:44,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 16:25:44,397 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;@2aaa7206, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 16:25:44,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 16:25:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 16:25:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 16:25:44,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:25:44,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:25:44,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:25:44,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:25:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-13 16:25:44,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:25:44,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399216356] [2022-12-13 16:25:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:25:44,426 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:25:44,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:25:44,428 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:25:44,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 16:25:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:25:44,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 16:25:44,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:25:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:25:44,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 16:25:44,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 16:25:44,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399216356] [2022-12-13 16:25:44,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399216356] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:25:44,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:25:44,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 16:25:44,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404772080] [2022-12-13 16:25:44,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:25:44,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 16:25:44,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 16:25:44,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 16:25:44,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:25:44,585 INFO L87 Difference]: Start difference. First operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:25:44,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:25:44,596 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-12-13 16:25:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 16:25:44,597 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 16:25:44,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 16:25:44,603 INFO L225 Difference]: With dead ends: 21 [2022-12-13 16:25:44,604 INFO L226 Difference]: Without dead ends: 13 [2022-12-13 16:25:44,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 16:25:44,608 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 16:25:44,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 16:25:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-12-13 16:25:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 16:25:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:25:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-12-13 16:25:44,632 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-12-13 16:25:44,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 16:25:44,632 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-12-13 16:25:44,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 16:25:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-12-13 16:25:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 16:25:44,633 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 16:25:44,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:25:44,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:25:44,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:25:44,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 16:25:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:25:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-12-13 16:25:44,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 16:25:44,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1871359282] [2022-12-13 16:25:44,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:25:44,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:25:44,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 16:25:44,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 16:25:44,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 16:25:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:44,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:25:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:25:45,013 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 16:25:45,013 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 16:25:45,015 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 16:25:45,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 16:25:45,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 16:25:45,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 16:25:45,227 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 16:25:45,238 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 16:25:45,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 04:25:45 BoogieIcfgContainer [2022-12-13 16:25:45,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 16:25:45,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:25:45,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:25:45,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:25:45,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:25:44" (3/4) ... [2022-12-13 16:25:45,279 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 16:25:45,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 16:25:45,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:25:45,305 INFO L158 Benchmark]: Toolchain (without parser) took 2153.64ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.6MB in the beginning and 51.4MB in the end (delta: 11.2MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,305 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:25:45,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.17ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 41.2MB in the end (delta: 21.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.35ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 37.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,306 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 86.0MB. Free memory was 37.8MB in the beginning and 35.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,306 INFO L158 Benchmark]: RCFGBuilder took 275.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 35.8MB in the beginning and 65.9MB in the end (delta: -30.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,307 INFO L158 Benchmark]: TraceAbstraction took 943.11ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 53.5MB in the end (delta: 11.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,307 INFO L158 Benchmark]: Witness Printer took 27.82ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:25:45,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 31.1MB in the beginning and 31.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.17ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 41.2MB in the end (delta: 21.1MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.35ms. Allocated memory is still 86.0MB. Free memory was 40.8MB in the beginning and 37.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 86.0MB. Free memory was 37.8MB in the beginning and 35.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.27ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 35.8MB in the beginning and 65.9MB in the end (delta: -30.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 943.11ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 53.5MB in the end (delta: 11.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 27.82ms. Allocated memory is still 104.9MB. Free memory was 53.5MB in the beginning and 51.4MB in the end (delta: 2.1MB). 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: 1557]: 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] [L1566] 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) [L1566] 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] [L1567] CALL CWE190_Integer_Overflow__int_rand_postinc_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] 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()=0, rand()=0, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data++ VAL [data=2147483647, data=2147483647, data++=2147483647, dataCopy=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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 54 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-13 16:25:45,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d34d23d8-314b-41a2-b3ef-7211c0f8f602/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)