./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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_34fe7078-3d71-4caf-934f-bf03ab611ade/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- 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 17:47:06,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:47:06,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:47:06,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:47:06,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:47:06,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:47:06,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:47:06,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:47:06,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:47:06,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:47:06,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:47:06,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:47:06,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:47:06,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:47:06,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:47:06,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:47:06,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:47:06,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:47:06,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:47:06,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:47:06,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:47:06,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:47:06,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:47:06,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:47:06,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:47:06,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:47:06,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:47:06,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:47:06,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:47:06,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:47:06,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:47:06,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:47:06,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:47:06,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:47:06,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:47:06,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:47:06,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:47:06,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:47:06,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:47:06,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:47:06,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:47:06,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:47:06,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:47:06,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:47:06,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:47:06,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:47:06,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:47:06,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:47:06,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:47:06,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:47:06,881 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:47:06,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:47:06,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:47:06,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:47:06,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:47:06,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:47:06,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:47:06,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:47:06,885 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:47:06,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:47:06,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:47:06,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:47:06,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:47:06,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:47:06,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:47:06,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:47:06,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:47:06,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:47:06,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:47:06,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:47:06,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:47:06,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:47:06,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:47:06,890 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:47:06,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:47:06,891 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_34fe7078-3d71-4caf-934f-bf03ab611ade/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2022-11-25 17:47:07,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:47:07,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:47:07,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:47:07,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:47:07,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:47:07,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:10,447 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:47:10,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:47:10,887 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:10,917 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/5bebb2ba5/894a6abd749045e2adc091191bb2ca8d/FLAG8e14f1f92 [2022-11-25 17:47:10,938 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/5bebb2ba5/894a6abd749045e2adc091191bb2ca8d [2022-11-25 17:47:10,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:47:10,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:47:10,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:47:10,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:47:10,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:47:10,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:10" (1/1) ... [2022-11-25 17:47:10,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c54dbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:10, skipping insertion in model container [2022-11-25 17:47:10,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:10" (1/1) ... [2022-11-25 17:47:10,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:47:11,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:47:11,502 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:47:12,021 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:47:12,026 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:12,029 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:12,031 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:12,032 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:12,078 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:47:12,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:47:12,088 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:47:12,111 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:47:12,168 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:47:12,170 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:12,171 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:12,173 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:12,174 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:12,184 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:47:12,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:47:12,320 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:47:12,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12 WrapperNode [2022-11-25 17:47:12,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:47:12,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:47:12,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:47:12,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:47:12,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,398 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-25 17:47:12,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:47:12,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:47:12,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:47:12,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:47:12,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:47:12,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:47:12,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:47:12,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:47:12,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (1/1) ... [2022-11-25 17:47:12,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:47:12,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:12,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:47:12,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:47:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:47:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:47:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:47:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:47:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:47:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:47:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:47:12,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:47:12,722 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:47:12,947 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:47:12,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:47:12,953 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:47:12,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:12 BoogieIcfgContainer [2022-11-25 17:47:12,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:47:12,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:47:12,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:47:12,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:47:12,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:47:10" (1/3) ... [2022-11-25 17:47:12,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275d2cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:47:12, skipping insertion in model container [2022-11-25 17:47:12,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:12" (2/3) ... [2022-11-25 17:47:12,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@275d2cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:47:12, skipping insertion in model container [2022-11-25 17:47:12,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:12" (3/3) ... [2022-11-25 17:47:12,965 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:12,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:47:12,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:47:13,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:47:13,052 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;@3e545a70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:47:13,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:47:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:47:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:47:13,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:13,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:13,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:47:13,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:13,079 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:47:13,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:47:13,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666217010] [2022-11-25 17:47:13,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:13,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:47:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:47:13,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:47:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:47:13,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:47:13,448 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:47:13,450 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:47:13,453 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:47:13,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:47:13,459 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:47:13,464 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:47:13,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:47:13 BoogieIcfgContainer [2022-11-25 17:47:13,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:47:13,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:47:13,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:47:13,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:47:13,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:12" (3/4) ... [2022-11-25 17:47:13,510 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:47:13,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:47:13,511 INFO L158 Benchmark]: Toolchain (without parser) took 2569.26ms. Allocated memory is still 197.1MB. Free memory was 161.8MB in the beginning and 121.9MB in the end (delta: 39.9MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,512 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:47:13,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1374.18ms. Allocated memory is still 197.1MB. Free memory was 161.2MB in the beginning and 160.7MB in the end (delta: 477.6kB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.85ms. Allocated memory is still 197.1MB. Free memory was 160.7MB in the beginning and 157.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,514 INFO L158 Benchmark]: Boogie Preprocessor took 29.81ms. Allocated memory is still 197.1MB. Free memory was 157.5MB in the beginning and 155.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,515 INFO L158 Benchmark]: RCFGBuilder took 526.28ms. Allocated memory is still 197.1MB. Free memory was 155.5MB in the beginning and 141.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,516 INFO L158 Benchmark]: TraceAbstraction took 545.74ms. Allocated memory is still 197.1MB. Free memory was 141.9MB in the beginning and 123.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,517 INFO L158 Benchmark]: Witness Printer took 5.69ms. Allocated memory is still 197.1MB. Free memory was 123.0MB in the beginning and 121.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:13,520 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1374.18ms. Allocated memory is still 197.1MB. Free memory was 161.2MB in the beginning and 160.7MB in the end (delta: 477.6kB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.85ms. Allocated memory is still 197.1MB. Free memory was 160.7MB in the beginning and 157.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.81ms. Allocated memory is still 197.1MB. Free memory was 157.5MB in the beginning and 155.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.28ms. Allocated memory is still 197.1MB. Free memory was 155.5MB in the beginning and 141.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 545.74ms. Allocated memory is still 197.1MB. Free memory was 141.9MB in the beginning and 123.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.69ms. Allocated memory is still 197.1MB. Free memory was 123.0MB in the beginning and 121.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1564, overapproximation of bitwiseAnd at line 1564. 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); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483649:2147483651}, argv={2147483649:2147483651}, CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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()=65535, rand()=2147483647, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 17:47:13,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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_34fe7078-3d71-4caf-934f-bf03ab611ade/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 fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 --- 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 17:47:16,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:47:16,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:47:16,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:47:16,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:47:16,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:47:16,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:47:16,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:47:16,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:47:16,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:47:16,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:47:16,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:47:16,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:47:16,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:47:16,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:47:16,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:47:16,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:47:16,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:47:16,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:47:16,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:47:16,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:47:16,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:47:16,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:47:16,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:47:16,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:47:16,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:47:16,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:47:16,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:47:16,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:47:16,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:47:16,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:47:16,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:47:16,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:47:16,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:47:16,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:47:16,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:47:16,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:47:16,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:47:16,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:47:16,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:47:16,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:47:16,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:47:16,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:47:16,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:47:16,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:47:16,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:47:16,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:47:16,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:47:16,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:47:16,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:47:16,419 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:47:16,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:47:16,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:47:16,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:47:16,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:47:16,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:47:16,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:47:16,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:47:16,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:47:16,422 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:47:16,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:47:16,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:47:16,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:47:16,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:47:16,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:47:16,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:47:16,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:47:16,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:47:16,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:47:16,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:47:16,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:47:16,425 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:47:16,426 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:47:16,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:47:16,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:47:16,427 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:47:16,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:47:16,427 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:47:16,427 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_34fe7078-3d71-4caf-934f-bf03ab611ade/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd3749e1b0f08386daf30f3ccc1d49f53cd53d80d6ae8bf873b310d011652f91 [2022-11-25 17:47:16,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:47:16,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:47:16,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:47:16,912 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:47:16,913 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:47:16,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:20,130 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:47:20,601 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:47:20,602 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:20,623 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/5140df2de/7e5d3cfdd014460a9d127c00399ef3a9/FLAGa700b3b90 [2022-11-25 17:47:20,658 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/data/5140df2de/7e5d3cfdd014460a9d127c00399ef3a9 [2022-11-25 17:47:20,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:47:20,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:47:20,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:47:20,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:47:20,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:47:20,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:20" (1/1) ... [2022-11-25 17:47:20,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dce24ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:20, skipping insertion in model container [2022-11-25 17:47:20,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:47:20" (1/1) ... [2022-11-25 17:47:20,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:47:20,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:47:21,223 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:47:21,892 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:47:21,899 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:21,902 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:21,905 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:21,906 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:21,955 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:47:21,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:47:21,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:47:22,080 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:47:22,191 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:47:22,194 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:22,197 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:47:22,202 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:22,204 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:47:22,209 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:47:22,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:47:22,407 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:47:22,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22 WrapperNode [2022-11-25 17:47:22,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:47:22,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:47:22,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:47:22,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:47:22,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,485 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-11-25 17:47:22,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:47:22,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:47:22,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:47:22,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:47:22,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:47:22,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:47:22,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:47:22,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:47:22,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (1/1) ... [2022-11-25 17:47:22,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:47:22,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:47:22,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:47:22,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:47:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:47:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:47:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:47:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:47:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:47:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:47:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:47:22,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:47:22,825 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:47:23,116 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:47:23,124 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:47:23,132 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:47:23,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:23 BoogieIcfgContainer [2022-11-25 17:47:23,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:47:23,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:47:23,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:47:23,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:47:23,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:47:20" (1/3) ... [2022-11-25 17:47:23,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268bd512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:47:23, skipping insertion in model container [2022-11-25 17:47:23,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:47:22" (2/3) ... [2022-11-25 17:47:23,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@268bd512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:47:23, skipping insertion in model container [2022-11-25 17:47:23,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:23" (3/3) ... [2022-11-25 17:47:23,152 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_45_bad.i [2022-11-25 17:47:23,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:47:23,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 17:47:23,256 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:47:23,265 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;@258aa5de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:47:23,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 17:47:23,272 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:47:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:47:23,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:47:23,304 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:47:23,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 17:47:23,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:47:23,312 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 17:47:23,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:47:23,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059132646] [2022-11-25 17:47:23,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:47:23,330 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 17:47:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:47:23,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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 17:47:23,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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 17:47:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:47:23,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:47:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:47:23,626 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 17:47:23,629 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:47:23,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 17:47:23,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 17:47:23,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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 17:47:23,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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 17:47:23,864 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:47:23,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:47:23,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:47:23 BoogieIcfgContainer [2022-11-25 17:47:23,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:47:23,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:47:23,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:47:23,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:47:23,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:47:23" (3/4) ... [2022-11-25 17:47:23,916 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 17:47:23,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:47:23,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:47:23,969 INFO L158 Benchmark]: Toolchain (without parser) took 3303.37ms. Allocated memory is still 102.8MB. Free memory was 78.2MB in the beginning and 61.2MB in the end (delta: 17.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,970 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:47:23,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1740.41ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 68.9MB in the end (delta: 9.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.50ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 65.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,972 INFO L158 Benchmark]: Boogie Preprocessor took 36.13ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,973 INFO L158 Benchmark]: RCFGBuilder took 614.17ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 50.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,973 INFO L158 Benchmark]: TraceAbstraction took 771.52ms. Allocated memory is still 102.8MB. Free memory was 49.5MB in the beginning and 63.9MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:47:23,974 INFO L158 Benchmark]: Witness Printer took 55.85ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 61.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:47:23,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1740.41ms. Allocated memory is still 102.8MB. Free memory was 77.9MB in the beginning and 68.9MB in the end (delta: 9.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.50ms. Allocated memory is still 102.8MB. Free memory was 68.9MB in the beginning and 65.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.13ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.17ms. Allocated memory is still 102.8MB. Free memory was 63.7MB in the beginning and 50.6MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 771.52ms. Allocated memory is still 102.8MB. Free memory was 49.5MB in the beginning and 63.9MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 55.85ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 61.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. 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: 1555]: 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); [L1548] static int CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_postdec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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()=32767, rand()=0, rand()=65535, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_postdec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_postdec_45_badData; [L1555] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_postdec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_postdec_45_goodG2BData=0, 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:47:24,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34fe7078-3d71-4caf-934f-bf03ab611ade/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)