./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b496eb4f83f0e67a68f9d6d092104abc5718e55263170895f833dcaba7fc2364 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:58:32,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:58:32,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:58:32,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:58:32,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:58:32,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:58:32,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:58:32,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:58:32,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:58:32,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:58:32,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:58:32,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:58:32,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:58:32,065 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:58:32,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:58:32,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:58:32,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:58:32,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:58:32,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:58:32,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:58:32,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:58:32,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:58:32,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:58:32,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:58:32,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:58:32,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:58:32,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:58:32,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:58:32,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:58:32,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:58:32,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:58:32,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:58:32,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:58:32,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:58:32,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:58:32,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:58:32,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:58:32,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:58:32,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:58:32,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:58:32,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:58:32,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 16:58:32,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:58:32,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:58:32,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:58:32,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:58:32,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:58:32,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:58:32,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:58:32,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:58:32,138 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:58:32,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:58:32,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:58:32,141 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:58:32,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:58:32,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:58:32,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:58:32,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:58:32,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:58:32,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:58:32,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:32,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:58:32,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:58:32,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:58:32,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:58:32,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:58:32,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:58:32,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:58:32,145 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:58:32,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:58:32,145 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_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b496eb4f83f0e67a68f9d6d092104abc5718e55263170895f833dcaba7fc2364 [2022-11-25 16:58:32,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:58:32,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:58:32,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:58:32,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:58:32,522 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:58:32,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:35,587 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:58:36,075 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:58:36,077 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:36,110 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/2a1102968/f71b5842f7464094a47fea736a1710bb/FLAG3812feedd [2022-11-25 16:58:36,131 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/2a1102968/f71b5842f7464094a47fea736a1710bb [2022-11-25 16:58:36,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:58:36,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:58:36,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:36,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:58:36,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:58:36,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:36" (1/1) ... [2022-11-25 16:58:36,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20df1ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:36, skipping insertion in model container [2022-11-25 16:58:36,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:36" (1/1) ... [2022-11-25 16:58:36,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:58:36,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:58:36,764 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:37,543 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:37,550 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:37,553 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:37,564 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:37,566 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:38,303 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:38,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:38,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:58:38,355 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:38,434 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:38,448 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:38,449 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:38,452 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:38,453 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:38,476 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:38,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:38,972 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:58:38,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38 WrapperNode [2022-11-25 16:58:38,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:38,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:38,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:58:38,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:58:38,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,078 INFO L138 Inliner]: procedures = 937, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-25 16:58:39,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:39,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:58:39,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:58:39,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:58:39,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:58:39,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:58:39,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:58:39,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:58:39,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (1/1) ... [2022-11-25 16:58:39,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:58:39,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:58:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:58:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 16:58:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:58:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:58:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:58:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:58:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:58:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 16:58:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:58:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:58:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:58:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 16:58:39,379 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:58:39,381 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:58:39,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:58:39,594 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:58:39,595 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:58:39,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:39 BoogieIcfgContainer [2022-11-25 16:58:39,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:58:39,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:58:39,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:58:39,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:58:39,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:58:36" (1/3) ... [2022-11-25 16:58:39,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd5c062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:39, skipping insertion in model container [2022-11-25 16:58:39,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:38" (2/3) ... [2022-11-25 16:58:39,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bd5c062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:39, skipping insertion in model container [2022-11-25 16:58:39,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:39" (3/3) ... [2022-11-25 16:58:39,619 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:39,635 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:58:39,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 16:58:39,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:58:39,704 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;@7b574b5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:58:39,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 16:58:39,709 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) [2022-11-25 16:58:39,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:58:39,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:39,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:39,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:58:39,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:39,726 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 16:58:39,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:39,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854920192] [2022-11-25 16:58:39,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 16:58:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:58:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 16:58:40,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 16:58:40,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854920192] [2022-11-25 16:58:40,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854920192] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:58:40,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:58:40,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 16:58:40,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769489845] [2022-11-25 16:58:40,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:58:40,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 16:58:40,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 16:58:40,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 16:58:40,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:58:40,154 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) [2022-11-25 16:58:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:58:40,186 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2022-11-25 16:58:40,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 16:58:40,189 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 16:58:40,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:58:40,197 INFO L225 Difference]: With dead ends: 21 [2022-11-25 16:58:40,198 INFO L226 Difference]: Without dead ends: 13 [2022-11-25 16:58:40,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 16:58:40,218 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 [2022-11-25 16:58:40,219 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] [2022-11-25 16:58:40,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-11-25 16:58:40,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 16:58:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:58:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2022-11-25 16:58:40,260 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2022-11-25 16:58:40,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:58:40,261 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2022-11-25 16:58:40,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 16:58:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-25 16:58:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 16:58:40,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:40,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:40,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:58:40,266 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:58:40,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:40,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1595656915, now seen corresponding path program 1 times [2022-11-25 16:58:40,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:58:40,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921770879] [2022-11-25 16:58:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:40,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:58:40,355 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 16:58:40,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784379709] [2022-11-25 16:58:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:58:40,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:58:40,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 16:58:40,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 16:58:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:58:40,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:58:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:58:40,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:58:40,570 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:58:40,572 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 16:58:40,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 16:58:40,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 16:58:40,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 16:58:40,786 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 16:58:40,790 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:58:40,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:58:40 BoogieIcfgContainer [2022-11-25 16:58:40,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:58:40,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:58:40,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:58:40,835 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:58:40,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:39" (3/4) ... [2022-11-25 16:58:40,844 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:58:40,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:58:40,846 INFO L158 Benchmark]: Toolchain (without parser) took 4710.91ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 133.8MB in the beginning and 157.1MB in the end (delta: -23.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,850 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 84.3MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:58:40,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2837.16ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 102.5MB in the end (delta: 30.9MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.41ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 98.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,854 INFO L158 Benchmark]: Boogie Preprocessor took 27.84ms. Allocated memory is still 169.9MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,855 INFO L158 Benchmark]: RCFGBuilder took 492.37ms. Allocated memory is still 169.9MB. Free memory was 96.3MB in the beginning and 81.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,855 INFO L158 Benchmark]: TraceAbstraction took 1225.05ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 81.6MB in the beginning and 158.2MB in the end (delta: -76.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:58:40,857 INFO L158 Benchmark]: Witness Printer took 11.23ms. Allocated memory is still 220.2MB. Free memory was 158.2MB in the beginning and 157.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:58:40,861 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 84.3MB in the end (delta: 139.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2837.16ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 102.5MB in the end (delta: 30.9MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.41ms. Allocated memory is still 169.9MB. Free memory was 102.5MB in the beginning and 98.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.84ms. Allocated memory is still 169.9MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.37ms. Allocated memory is still 169.9MB. Free memory was 96.3MB in the beginning and 81.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.05ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 81.6MB in the beginning and 158.2MB in the end (delta: -76.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.23ms. Allocated memory is still 220.2MB. Free memory was 158.2MB in the beginning and 157.1MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 1846]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1840, overapproximation of bitwiseAnd at line 1840. 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] [L1854] 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) [L1854] RET printLine("Calling bad()...") VAL [\old(argc)=48, argc=48, argv={49:50}, argv={49:50}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1855] CALL CWE190_Integer_Overflow__int_rand_square_32_bad() [L1834] int data; [L1835] int *dataPtr1 = &data; [L1836] int *dataPtr2 = &data; [L1837] data = 0 [L1839] EXPR \read(*dataPtr1) [L1839] int data = *dataPtr1; [L1840] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1840] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={4:0}, dataPtr1={4:0}, dataPtr2={4:0}, 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()=1073741823, rand()=1, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-3937053355] [L1840] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1841] *dataPtr1 = data [L1844] EXPR \read(*dataPtr2) [L1844] int data = *dataPtr2; [L1846] data * data VAL [data={4:0}, data=357913941, data=357913941, dataPtr1={4:0}, dataPtr2={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1846]: 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 22 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 3 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, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 16:58:40,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b496eb4f83f0e67a68f9d6d092104abc5718e55263170895f833dcaba7fc2364 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 16:58:43,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:58:43,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:58:43,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:58:43,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:58:43,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:58:43,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:58:43,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:58:43,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:58:43,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:58:43,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:58:43,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:58:43,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:58:43,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:58:43,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:58:43,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:58:43,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:58:43,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:58:43,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:58:43,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:58:43,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:58:43,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:58:43,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:58:43,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:58:43,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:58:43,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:58:43,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:58:43,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:58:43,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:58:43,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:58:43,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:58:43,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:58:43,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:58:43,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:58:43,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:58:43,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:58:43,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:58:43,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:58:43,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:58:43,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:58:43,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:58:43,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 16:58:43,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:58:43,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:58:43,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:58:43,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:58:43,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:58:43,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:58:43,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:58:43,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:58:43,662 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:58:43,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:58:43,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 16:58:43,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:58:43,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:58:43,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:58:43,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:58:43,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:58:43,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:58:43,666 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 16:58:43,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:58:43,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:58:43,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:58:43,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:58:43,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:58:43,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:58:43,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:58:43,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:43,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:58:43,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:58:43,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:58:43,670 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:58:43,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:58:43,670 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:58:43,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:58:43,671 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:58:43,671 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:58:43,672 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:58:43,672 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_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b496eb4f83f0e67a68f9d6d092104abc5718e55263170895f833dcaba7fc2364 [2022-11-25 16:58:44,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:58:44,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:58:44,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:58:44,095 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:58:44,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:58:44,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:47,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:58:47,578 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:58:47,579 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:47,619 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/620fe623d/287f08bc28114fa986cfa2b18106a9b2/FLAGb08b5edd2 [2022-11-25 16:58:47,643 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/data/620fe623d/287f08bc28114fa986cfa2b18106a9b2 [2022-11-25 16:58:47,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:58:47,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:58:47,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:47,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:58:47,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:58:47,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:47" (1/1) ... [2022-11-25 16:58:47,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8ed835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:47, skipping insertion in model container [2022-11-25 16:58:47,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:47" (1/1) ... [2022-11-25 16:58:47,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:58:47,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:58:48,196 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:48,725 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:48,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:48,733 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:48,735 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:48,736 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:49,267 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:49,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:49,292 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:58:49,347 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 16:58:49,398 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 16:58:49,400 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:49,401 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 16:58:49,403 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:49,404 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 16:58:49,418 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 16:58:49,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:58:49,649 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:58:49,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49 WrapperNode [2022-11-25 16:58:49,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:58:49,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:49,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:58:49,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:58:49,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,728 INFO L138 Inliner]: procedures = 942, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-25 16:58:49,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:58:49,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:58:49,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:58:49,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:58:49,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,761 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:58:49,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:58:49,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:58:49,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:58:49,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (1/1) ... [2022-11-25 16:58:49,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:58:49,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:58:49,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:58:49,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:58:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 16:58:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:58:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:58:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 16:58:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 16:58:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 16:58:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 16:58:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 16:58:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 16:58:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 16:58:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 16:58:50,022 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:58:50,024 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:58:51,663 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:58:51,669 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:58:51,670 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 16:58:51,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:51 BoogieIcfgContainer [2022-11-25 16:58:51,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:58:51,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:58:51,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:58:51,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:58:51,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:58:47" (1/3) ... [2022-11-25 16:58:51,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f08035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:51, skipping insertion in model container [2022-11-25 16:58:51,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:49" (2/3) ... [2022-11-25 16:58:51,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f08035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:58:51, skipping insertion in model container [2022-11-25 16:58:51,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:51" (3/3) ... [2022-11-25 16:58:51,681 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_32_bad.i [2022-11-25 16:58:51,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:58:51,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 16:58:51,751 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:58:51,758 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;@59dcd026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:58:51,758 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 16:58:51,763 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) [2022-11-25 16:58:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:58:51,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:58:51,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 16:58:51,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 16:58:51,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:58:51,778 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 16:58:51,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:58:51,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318173821] [2022-11-25 16:58:51,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:58:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 16:58:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:58:51,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 16:58:51,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8247ce7-ce78-4484-b811-bd70e7f0b979/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process