./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro --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 cbdd5268e2ce9391f48b05acea415f04f477b6ab518cd90fca4e10e750f829f4 --- 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-8393723 [2022-11-18 20:05:03,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:05:03,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:05:03,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:05:03,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:05:03,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:05:03,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:05:03,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:05:03,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:05:03,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:05:03,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:05:03,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:05:03,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:05:03,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:05:03,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:05:03,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:05:03,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:05:03,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:05:03,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:05:03,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:05:03,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:05:03,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:05:03,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:05:03,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:05:03,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:05:03,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:05:03,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:05:03,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:05:03,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:05:03,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:05:03,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:05:03,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:05:03,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:05:03,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:05:03,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:05:03,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:05:03,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:05:03,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:05:03,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:05:03,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:05:03,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:05:03,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:05:03,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:05:03,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:05:03,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:05:03,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:05:03,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:05:03,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:05:03,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:05:03,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:05:03,602 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:05:03,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:05:03,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:05:03,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:05:03,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:05:03,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:05:03,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:05:03,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:05:03,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:05:03,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:05:03,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:05:03,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:05:03,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:05:03,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:05:03,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:05:03,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:03,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:05:03,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:05:03,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:05:03,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:05:03,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:05:03,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:05:03,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:05:03,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:05:03,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbdd5268e2ce9391f48b05acea415f04f477b6ab518cd90fca4e10e750f829f4 [2022-11-18 20:05:03,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:05:03,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:05:03,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:05:03,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:05:03,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:05:03,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_bad.i [2022-11-18 20:05:04,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/data/722982bbf/7d78c14f492d4368b93dfbf4213e532b/FLAG82a4fd957 [2022-11-18 20:05:04,731 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:05:04,732 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_21_bad.i [2022-11-18 20:05:04,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/data/722982bbf/7d78c14f492d4368b93dfbf4213e532b/FLAG82a4fd957 [2022-11-18 20:05:04,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/data/722982bbf/7d78c14f492d4368b93dfbf4213e532b [2022-11-18 20:05:04,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:05:04,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:05:04,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:04,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:05:04,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:05:04,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:04" (1/1) ... [2022-11-18 20:05:04,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fdc22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:04, skipping insertion in model container [2022-11-18 20:05:04,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:05:04" (1/1) ... [2022-11-18 20:05:04,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:05:04,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:05:05,467 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:05:06,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:06,717 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:05:06,754 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:05:06,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:05:07,136 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:05:07,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07 WrapperNode [2022-11-18 20:05:07,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:05:07,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:07,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:05:07,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:05:07,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,222 INFO L138 Inliner]: procedures = 938, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 41 [2022-11-18 20:05:07,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:05:07,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:05:07,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:05:07,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:05:07,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:05:07,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:05:07,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:05:07,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:05:07,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (1/1) ... [2022-11-18 20:05:07,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:05:07,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:07,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:05:07,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:05:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:05:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:05:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:05:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:05:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:05:07,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:05:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:05:07,538 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:05:07,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:05:07,684 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:05:07,691 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:05:07,691 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:05:07,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:07 BoogieIcfgContainer [2022-11-18 20:05:07,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:05:07,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:05:07,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:05:07,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:05:07,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:05:04" (1/3) ... [2022-11-18 20:05:07,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9dddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:07, skipping insertion in model container [2022-11-18 20:05:07,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:05:07" (2/3) ... [2022-11-18 20:05:07,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a9dddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:05:07, skipping insertion in model container [2022-11-18 20:05:07,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:07" (3/3) ... [2022-11-18 20:05:07,710 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_21_bad.i [2022-11-18 20:05:07,731 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:05:07,731 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-18 20:05:07,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:05:07,794 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;@83cec23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:05:07,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-18 20:05:07,799 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) [2022-11-18 20:05:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 20:05:07,807 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:05:07,807 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:05:07,808 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-18 20:05:07,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:05:07,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1802775665, now seen corresponding path program 1 times [2022-11-18 20:05:07,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:05:07,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023277539] [2022-11-18 20:05:07,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:05:07,994 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-18 20:05:07,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1394996124] [2022-11-18 20:05:07,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:05:07,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:05:07,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:05:08,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:05:08,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:05:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:05:08,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:05:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:05:08,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:05:08,211 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:05:08,214 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-18 20:05:08,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-18 20:05:08,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:05:08,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-18 20:05:08,450 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 20:05:08,454 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:05:08,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:05:08 BoogieIcfgContainer [2022-11-18 20:05:08,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:05:08,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:05:08,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:05:08,487 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:05:08,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:05:07" (3/4) ... [2022-11-18 20:05:08,490 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:05:08,541 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:05:08,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:05:08,543 INFO L158 Benchmark]: Toolchain (without parser) took 3682.41ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 93.6MB in the beginning and 136.6MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:05:08,543 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:05:08,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2273.66ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 88.3MB in the end (delta: 5.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.54ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 84.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,545 INFO L158 Benchmark]: Boogie Preprocessor took 22.23ms. Allocated memory is still 134.2MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,546 INFO L158 Benchmark]: RCFGBuilder took 447.91ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 71.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,547 INFO L158 Benchmark]: TraceAbstraction took 789.93ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.7MB in the beginning and 138.7MB in the end (delta: -68.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,548 INFO L158 Benchmark]: Witness Printer took 54.84ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 136.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:05:08,551 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 88.1MB. Free memory was 59.0MB in the beginning and 58.9MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2273.66ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 88.3MB in the end (delta: 5.2MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.54ms. Allocated memory is still 134.2MB. Free memory was 88.3MB in the beginning and 84.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.23ms. Allocated memory is still 134.2MB. Free memory was 84.9MB in the beginning and 83.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.91ms. Allocated memory is still 134.2MB. Free memory was 83.3MB in the beginning and 71.5MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 789.93ms. Allocated memory was 134.2MB in the beginning and 174.1MB in the end (delta: 39.8MB). Free memory was 70.7MB in the beginning and 138.7MB in the end (delta: -68.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 54.84ms. Allocated memory is still 174.1MB. Free memory was 138.7MB in the beginning and 136.6MB 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: 1838]: integer overflow possible integer overflow possible We found a FailurePath: [L1525] int globalTrue = 1; [L1547] char** globalArgv = ((void *)0); [L1526] int globalFalse = 0; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1832] static int badStatic = 0; [L1546] int globalArgc = 0; [L1522] const int GLOBAL_CONST_TRUE = 1; [L1527] int globalFive = 5; VAL [badStatic=0, 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 [badStatic=0, 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)=12, argc=12, argv={14:13}, argv={14:13}, badStatic=0, 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_max_square_21_bad() [L1845] int data; [L1846] data = 0 [L1847] data = 0x7fffffff [L1848] badStatic = 1 [L1849] CALL badSink(data) [L1835] COND TRUE \read(badStatic) VAL [\old(data)=2147483647, badStatic=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data * data VAL [\old(data)=2147483647, badStatic=1, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1838]: 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:05:08,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73002b21-65fd-49a1-997f-27c05dfeed14/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)