./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/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_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/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_d1298fd9-11be-49f6-b33e-557f0a76fdee/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:38:40,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:38:40,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:38:40,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:38:40,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:38:40,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:38:40,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:38:40,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:38:40,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:38:40,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:38:40,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:38:40,497 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:38:40,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:38:40,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:38:40,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:38:40,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:38:40,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:38:40,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:38:40,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:38:40,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:38:40,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:38:40,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:38:40,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:38:40,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:38:40,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:38:40,526 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:38:40,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:38:40,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:38:40,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:38:40,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:38:40,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:38:40,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:38:40,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:38:40,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:38:40,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:38:40,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:38:40,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:38:40,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:38:40,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:38:40,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:38:40,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:38:40,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:38:40,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:38:40,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:38:40,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:38:40,574 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:38:40,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:38:40,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:38:40,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:38:40,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:38:40,577 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:38:40,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:38:40,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:38:40,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:38:40,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:38:40,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:38:40,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:38:40,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:38:40,580 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:38:40,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:38:40,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:38:40,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:38:40,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:38:40,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:38:40,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:38:40,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:40,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:38:40,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:38:40,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:38:40,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:38:40,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:38:40,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:38:40,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:38:40,585 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:38:40,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:38:40,585 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_d1298fd9-11be-49f6-b33e-557f0a76fdee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-25 15:38:40,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:38:40,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:38:40,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:38:40,954 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:38:40,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:38:40,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:44,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:38:44,702 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:38:44,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:44,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/f665e3d44/d77334239f22497a9251932765446dc7/FLAGaaab1fa03 [2022-11-25 15:38:44,763 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/f665e3d44/d77334239f22497a9251932765446dc7 [2022-11-25 15:38:44,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:38:44,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:38:44,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:44,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:38:44,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:38:44,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:44" (1/1) ... [2022-11-25 15:38:44,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae20c23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:44, skipping insertion in model container [2022-11-25 15:38:44,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:44" (1/1) ... [2022-11-25 15:38:44,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:38:44,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:38:45,333 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:45,879 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:45,887 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:45,890 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:45,893 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:45,894 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:45,935 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:45,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:45,962 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:38:46,004 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:46,116 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:46,123 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:46,125 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:46,127 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:46,128 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:46,145 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:46,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:46,386 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:38:46,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46 WrapperNode [2022-11-25 15:38:46,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:46,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:46,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:38:46,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:38:46,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,499 INFO L138 Inliner]: procedures = 501, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-25 15:38:46,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:46,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:38:46,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:38:46,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:38:46,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,551 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:38:46,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:38:46,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:38:46,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:38:46,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (1/1) ... [2022-11-25 15:38:46,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:46,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:38:46,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:38:46,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:38:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:38:46,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:38:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:38:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:38:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:38:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 15:38:46,659 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 15:38:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:38:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:38:46,937 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:38:46,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:38:47,100 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:38:47,109 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:38:47,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:38:47,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:47 BoogieIcfgContainer [2022-11-25 15:38:47,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:38:47,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:38:47,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:38:47,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:38:47,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:38:44" (1/3) ... [2022-11-25 15:38:47,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479b19bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:47, skipping insertion in model container [2022-11-25 15:38:47,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:46" (2/3) ... [2022-11-25 15:38:47,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479b19bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:47, skipping insertion in model container [2022-11-25 15:38:47,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:47" (3/3) ... [2022-11-25 15:38:47,123 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:47,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:38:47,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:38:47,209 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:38:47,218 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;@1741ea1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:38:47,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:38:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 15:38:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 15:38:47,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:47,235 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:47,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:38:47,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash -641348316, now seen corresponding path program 1 times [2022-11-25 15:38:47,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:38:47,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014214244] [2022-11-25 15:38:47,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:38:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 15:38:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 15:38:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-25 15:38:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 15:38:47,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:38:47,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014214244] [2022-11-25 15:38:47,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014214244] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 15:38:47,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960863141] [2022-11-25 15:38:47,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:47,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 15:38:47,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:38:47,868 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 15:38:47,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 15:38:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:48,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:38:48,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:38:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:38:48,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:38:48,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960863141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:38:48,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 15:38:48,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-25 15:38:48,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222003092] [2022-11-25 15:38:48,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:38:48,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:38:48,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:38:48,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:38:48,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:38:48,270 INFO L87 Difference]: Start difference. First operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 23 states have internal predecessors, (27), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:38:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:38:48,333 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2022-11-25 15:38:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:38:48,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2022-11-25 15:38:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:38:48,348 INFO L225 Difference]: With dead ends: 51 [2022-11-25 15:38:48,348 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 15:38:48,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:38:48,355 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:38:48,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:38:48,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 15:38:48,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 15:38:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 15:38:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-25 15:38:48,396 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 21 [2022-11-25 15:38:48,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:38:48,398 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-25 15:38:48,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:38:48,399 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-25 15:38:48,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 15:38:48,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:48,401 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:48,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 15:38:48,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-25 15:38:48,602 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:38:48,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:48,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2020647561, now seen corresponding path program 1 times [2022-11-25 15:38:48,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:38:48,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370978893] [2022-11-25 15:38:48,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:48,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:38:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:38:48,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:38:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:38:48,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:38:48,762 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:38:48,763 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:38:48,765 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:38:48,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 15:38:48,791 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:38:48,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:38:48,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:38:48 BoogieIcfgContainer [2022-11-25 15:38:48,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:38:48,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:38:48,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:38:48,857 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:38:48,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:47" (3/4) ... [2022-11-25 15:38:48,862 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:38:48,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:38:48,863 INFO L158 Benchmark]: Toolchain (without parser) took 4095.64ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 140.2MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:38:48,864 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:38:48,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.34ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 134.6MB in the end (delta: -4.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2022-11-25 15:38:48,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.28ms. Allocated memory is still 176.2MB. Free memory was 134.6MB in the beginning and 131.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:38:48,866 INFO L158 Benchmark]: Boogie Preprocessor took 50.63ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 130.4MB in the end (delta: 886.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:38:48,867 INFO L158 Benchmark]: RCFGBuilder took 552.76ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 116.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 15:38:48,867 INFO L158 Benchmark]: TraceAbstraction took 1741.50ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 140.2MB in the end (delta: -24.7MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-11-25 15:38:48,868 INFO L158 Benchmark]: Witness Printer took 5.79ms. Allocated memory is still 176.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:38:48,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory is still 87.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.34ms. Allocated memory is still 176.2MB. Free memory was 129.9MB in the beginning and 134.6MB in the end (delta: -4.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.28ms. Allocated memory is still 176.2MB. Free memory was 134.6MB in the beginning and 131.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.63ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 130.4MB in the end (delta: 886.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.76ms. Allocated memory is still 176.2MB. Free memory was 130.4MB in the beginning and 116.4MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1741.50ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 140.2MB in the end (delta: -24.7MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Witness Printer took 5.79ms. Allocated memory is still 176.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1562, overapproximation of bitwiseAnd at line 1562. 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] [L1576] 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) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=4, rand()=5, rand()=1, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- VAL [data=-2147483648, data--=-2147483648, 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: 1567]: 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 2, 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, 90 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 32 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 4/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 15:38:48,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/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_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/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_d1298fd9-11be-49f6-b33e-557f0a76fdee/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 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:38:51,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:38:51,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:38:51,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:38:51,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:38:51,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:38:51,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:38:52,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:38:52,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:38:52,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:38:52,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:38:52,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:38:52,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:38:52,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:38:52,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:38:52,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:38:52,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:38:52,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:38:52,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:38:52,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:38:52,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:38:52,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:38:52,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:38:52,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:38:52,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:38:52,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:38:52,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:38:52,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:38:52,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:38:52,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:38:52,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:38:52,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:38:52,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:38:52,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:38:52,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:38:52,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:38:52,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:38:52,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:38:52,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:38:52,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:38:52,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:38:52,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 15:38:52,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:38:52,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:38:52,145 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:38:52,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:38:52,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:38:52,146 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:38:52,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:38:52,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:38:52,148 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:38:52,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:38:52,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:38:52,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:38:52,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:38:52,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:38:52,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:38:52,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:38:52,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:38:52,151 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:38:52,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:38:52,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:38:52,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:38:52,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:38:52,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:38:52,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:38:52,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:38:52,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:52,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:38:52,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:38:52,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:38:52,154 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:38:52,154 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:38:52,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:38:52,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:38:52,155 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:38:52,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:38:52,155 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:38:52,156 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_d1298fd9-11be-49f6-b33e-557f0a76fdee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e4fb4b63bcdd58b6328d3d8ac7e686ad7215cae7de56dced0453676ba573c19 [2022-11-25 15:38:52,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:38:52,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:38:52,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:38:52,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:38:52,667 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:38:52,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:56,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:38:56,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:38:56,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:56,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/9aeb44ffc/5066778fb14d41efaea49fdc919f0201/FLAGe991cddad [2022-11-25 15:38:56,787 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/data/9aeb44ffc/5066778fb14d41efaea49fdc919f0201 [2022-11-25 15:38:56,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:38:56,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:38:56,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:56,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:38:56,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:38:56,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:56" (1/1) ... [2022-11-25 15:38:56,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96afe86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:56, skipping insertion in model container [2022-11-25 15:38:56,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:38:56" (1/1) ... [2022-11-25 15:38:56,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:38:56,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:38:57,418 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:57,965 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:57,972 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:57,979 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:57,984 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:57,985 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:58,015 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:58,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:58,031 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:38:58,065 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:38:58,153 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:38:58,155 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:58,156 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:38:58,159 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:58,159 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:38:58,165 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:38:58,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:38:58,331 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:38:58,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58 WrapperNode [2022-11-25 15:38:58,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:38:58,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:58,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:38:58,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:38:58,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,428 INFO L138 Inliner]: procedures = 506, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2022-11-25 15:38:58,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:38:58,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:38:58,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:38:58,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:38:58,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:38:58,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:38:58,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:38:58,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:38:58,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (1/1) ... [2022-11-25 15:38:58,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:38:58,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:38:58,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:38:58,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:38:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:38:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:38:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:38:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:38:58,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:38:58,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:38:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-25 15:38:58,609 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-25 15:38:58,609 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:38:58,890 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:38:58,893 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:38:59,087 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:38:59,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:38:59,109 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:38:59,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:59 BoogieIcfgContainer [2022-11-25 15:38:59,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:38:59,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:38:59,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:38:59,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:38:59,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:38:56" (1/3) ... [2022-11-25 15:38:59,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42623fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:59, skipping insertion in model container [2022-11-25 15:38:59,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:38:58" (2/3) ... [2022-11-25 15:38:59,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42623fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:38:59, skipping insertion in model container [2022-11-25 15:38:59,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:59" (3/3) ... [2022-11-25 15:38:59,137 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_08_bad.i [2022-11-25 15:38:59,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:38:59,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:38:59,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:38:59,250 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;@4bba135d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:38:59,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:38:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 15:38:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 15:38:59,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:59,269 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:59,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:38:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:59,281 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2022-11-25 15:38:59,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:38:59,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316292257] [2022-11-25 15:38:59,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:59,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:38:59,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:38:59,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:38:59,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 15:38:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:38:59,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 15:38:59,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:38:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:38:59,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:38:59,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:38:59,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316292257] [2022-11-25 15:38:59,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316292257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:38:59,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:38:59,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:38:59,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709351414] [2022-11-25 15:38:59,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:38:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:38:59,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:38:59,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:38:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:38:59,653 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:38:59,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:38:59,692 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2022-11-25 15:38:59,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 15:38:59,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2022-11-25 15:38:59,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:38:59,717 INFO L225 Difference]: With dead ends: 47 [2022-11-25 15:38:59,717 INFO L226 Difference]: Without dead ends: 19 [2022-11-25 15:38:59,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:38:59,727 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:38:59,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:38:59,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-25 15:38:59,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-25 15:38:59,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 15:38:59,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2022-11-25 15:38:59,773 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 19 [2022-11-25 15:38:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:38:59,775 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2022-11-25 15:38:59,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 15:38:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-25 15:38:59,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 15:38:59,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:38:59,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:38:59,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:38:59,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:38:59,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:38:59,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:38:59,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2082070403, now seen corresponding path program 1 times [2022-11-25 15:38:59,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:38:59,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065687333] [2022-11-25 15:38:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:38:59,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:38:59,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:38:59,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:39:00,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 15:39:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:00,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:39:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:39:00,274 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 15:39:00,275 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:39:00,278 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:39:00,285 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:39:00,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:39:00,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:39:00,506 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 15:39:00,511 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:39:00,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:39:00 BoogieIcfgContainer [2022-11-25 15:39:00,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:39:00,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:39:00,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:39:00,556 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:39:00,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:38:59" (3/4) ... [2022-11-25 15:39:00,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:39:00,615 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:39:00,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:39:00,617 INFO L158 Benchmark]: Toolchain (without parser) took 3822.33ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 31.0MB in the beginning and 58.5MB in the end (delta: -27.5MB). Peak memory consumption was 630.6kB. Max. memory is 16.1GB. [2022-11-25 15:39:00,617 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:39:00,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.75ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 35.2MB in the end (delta: -4.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.64ms. Allocated memory is still 77.6MB. Free memory was 35.2MB in the beginning and 31.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,620 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 77.6MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,620 INFO L158 Benchmark]: RCFGBuilder took 604.32ms. Allocated memory is still 77.6MB. Free memory was 29.8MB in the beginning and 39.6MB in the end (delta: -9.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,621 INFO L158 Benchmark]: TraceAbstraction took 1440.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 61.5MB in the end (delta: -22.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,622 INFO L158 Benchmark]: Witness Printer took 60.63ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 58.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:39:00,626 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.75ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.8MB in the beginning and 35.2MB in the end (delta: -4.4MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.64ms. Allocated memory is still 77.6MB. Free memory was 35.2MB in the beginning and 31.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 77.6MB. Free memory was 31.9MB in the beginning and 29.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.32ms. Allocated memory is still 77.6MB. Free memory was 29.8MB in the beginning and 39.6MB in the end (delta: -9.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1440.41ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 61.5MB in the end (delta: -22.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 60.63ms. Allocated memory is still 94.4MB. Free memory was 61.5MB in the beginning and 58.5MB in the end (delta: 3.1MB). 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: 1567]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] 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) [L1576] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE191_Integer_Underflow__int_rand_postdec_08_bad() [L1558] int data; [L1559] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] RET staticReturnsTrue() VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=65536, rand()=1, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; VAL [\result=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] RET staticReturnsTrue() VAL [data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticReturnsTrue()=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data-- VAL [data=-2147483648, data--=-2147483648, 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: 1567]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 2, 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, 84 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 55 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:39:00,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1298fd9-11be-49f6-b33e-557f0a76fdee/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)