./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:28:38,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:28:38,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:28:38,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:28:38,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:28:38,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:28:38,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:28:38,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:28:38,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:28:38,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:28:38,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:28:38,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:28:38,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:28:38,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:28:38,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:28:38,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:28:38,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:28:38,793 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:28:38,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:28:38,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:28:38,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:28:38,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:28:38,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:28:38,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:28:38,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:28:38,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:28:38,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:28:38,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:28:38,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:28:38,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:28:38,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:28:38,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:28:38,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:28:38,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:28:38,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:28:38,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:28:38,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:28:38,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:28:38,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:28:38,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:28:38,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:28:38,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:28:38,835 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:28:38,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:28:38,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:28:38,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:28:38,836 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:28:38,836 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:28:38,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:28:38,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:28:38,837 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:28:38,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:28:38,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:28:38,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:28:38,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:28:38,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:28:38,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:28:38,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:28:38,839 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:28:38,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:28:38,839 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:28:38,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:28:38,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:28:38,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:28:38,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:28:38,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:28:38,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:28:38,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:28:38,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:28:38,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:28:38,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:28:38,842 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:28:38,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:28:38,842 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:28:38,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:28:38,842 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:28:38,842 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_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2022-12-13 15:28:39,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:28:39,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:28:39,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:28:39,046 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:28:39,046 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:28:39,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:41,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:28:41,872 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:28:41,872 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:41,885 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/cf1710dc0/41172dae1c184060be3a4b6f2341ba3d/FLAG856aa981f [2022-12-13 15:28:41,898 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/cf1710dc0/41172dae1c184060be3a4b6f2341ba3d [2022-12-13 15:28:41,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:28:41,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:28:41,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:28:41,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:28:41,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:28:41,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:28:41" (1/1) ... [2022-12-13 15:28:41,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc66fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:41, skipping insertion in model container [2022-12-13 15:28:41,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:28:41" (1/1) ... [2022-12-13 15:28:41,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:28:41,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:28:42,213 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:28:42,554 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:28:42,559 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:42,561 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:42,563 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:42,564 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:42,586 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:28:42,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:28:42,599 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:28:42,617 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:28:42,651 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:28:42,663 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:42,664 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:42,666 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:42,667 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:42,672 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:28:42,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:28:42,816 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:28:42,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42 WrapperNode [2022-12-13 15:28:42,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:28:42,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:28:42,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:28:42,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:28:42,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,858 INFO L138 Inliner]: procedures = 500, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-12-13 15:28:42,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:28:42,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:28:42,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:28:42,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:28:42,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,881 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:28:42,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:28:42,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:28:42,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:28:42,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (1/1) ... [2022-12-13 15:28:42,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:28:42,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:28:42,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:28:42,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:28:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:28:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:28:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:28:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:28:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:28:43,073 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:28:43,075 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:28:43,217 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:28:43,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:28:43,223 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:28:43,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:43 BoogieIcfgContainer [2022-12-13 15:28:43,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:28:43,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:28:43,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:28:43,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:28:43,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:28:41" (1/3) ... [2022-12-13 15:28:43,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6d8cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:28:43, skipping insertion in model container [2022-12-13 15:28:43,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:42" (2/3) ... [2022-12-13 15:28:43,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b6d8cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:28:43, skipping insertion in model container [2022-12-13 15:28:43,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:43" (3/3) ... [2022-12-13 15:28:43,234 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:43,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:28:43,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:28:43,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:28:43,296 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;@c18c92e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:28:43,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:28:43,299 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) [2022-12-13 15:28:43,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 15:28:43,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:28:43,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:28:43,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:28:43,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:28:43,309 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 15:28:43,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:28:43,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221406374] [2022-12-13 15:28:43,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:28:43,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:28:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:28:43,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:28:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:28:43,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:28:43,507 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:28:43,507 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:28:43,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:28:43,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:28:43,513 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:28:43,516 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:28:43,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:28:43 BoogieIcfgContainer [2022-12-13 15:28:43,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:28:43,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:28:43,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:28:43,537 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:28:43,537 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:43" (3/4) ... [2022-12-13 15:28:43,540 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 15:28:43,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:28:43,541 INFO L158 Benchmark]: Toolchain (without parser) took 1639.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.4MB in the beginning and 86.2MB in the end (delta: -11.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,542 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:28:43,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.13ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 78.2MB in the end (delta: -4.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 75.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,543 INFO L158 Benchmark]: Boogie Preprocessor took 26.80ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,544 INFO L158 Benchmark]: RCFGBuilder took 339.50ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 108.1MB in the end (delta: -34.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,544 INFO L158 Benchmark]: TraceAbstraction took 308.02ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 86.2MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-13 15:28:43,545 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:28:43,547 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.13ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 74.0MB in the beginning and 78.2MB in the end (delta: -4.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.38ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 75.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.80ms. Allocated memory is still 142.6MB. Free memory was 75.4MB in the beginning and 73.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.50ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 108.1MB in the end (delta: -34.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 308.02ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 86.2MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 142.6MB. Free memory is still 86.2MB. 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. 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] [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483652, argc=2147483652, argv={2147483651:2147483653}, argv={2147483651:2147483653}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=1, rand()=5, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --data VAL [data=-2147483648, dataArray={4:0}, dataArray={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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: 0.2s, 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 [2022-12-13 15:28:43,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 15:28:45,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:28:45,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:28:45,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:28:45,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:28:45,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:28:45,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:28:45,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:28:45,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:28:45,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:28:45,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:28:45,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:28:45,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:28:45,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:28:45,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:28:45,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:28:45,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:28:45,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:28:45,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:28:45,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:28:45,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:28:45,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:28:45,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:28:45,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:28:45,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:28:45,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:28:45,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:28:45,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:28:45,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:28:45,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:28:45,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:28:45,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:28:45,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:28:45,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:28:45,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:28:45,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:28:45,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:28:45,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:28:45,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:28:45,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:28:45,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:28:45,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 15:28:45,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:28:45,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:28:45,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:28:45,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:28:45,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:28:45,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:28:45,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:28:45,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:28:45,280 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:28:45,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:28:45,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:28:45,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:28:45,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:28:45,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:28:45,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:28:45,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:28:45,283 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:28:45,283 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:28:45,283 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:28:45,283 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:28:45,283 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_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2022-12-13 15:28:45,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:28:45,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:28:45,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:28:45,537 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:28:45,538 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:28:45,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:47,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:28:48,259 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:28:48,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:48,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/3b7507293/1a51151f3d5f434e8dd80947f2a4934e/FLAG3ce4ba223 [2022-12-13 15:28:48,541 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/data/3b7507293/1a51151f3d5f434e8dd80947f2a4934e [2022-12-13 15:28:48,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:28:48,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:28:48,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:28:48,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:28:48,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:28:48,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:28:48" (1/1) ... [2022-12-13 15:28:48,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eda5c2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:48, skipping insertion in model container [2022-12-13 15:28:48,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:28:48" (1/1) ... [2022-12-13 15:28:48,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:28:48,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:28:48,845 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:28:49,185 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:28:49,188 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:49,189 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:49,191 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:49,191 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:49,207 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:28:49,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:28:49,223 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:28:49,241 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:28:49,292 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:28:49,294 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:49,295 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:28:49,297 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:49,297 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:28:49,302 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:28:49,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:28:49,402 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:28:49,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49 WrapperNode [2022-12-13 15:28:49,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:28:49,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:28:49,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:28:49,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:28:49,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,446 INFO L138 Inliner]: procedures = 505, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2022-12-13 15:28:49,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:28:49,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:28:49,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:28:49,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:28:49,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:28:49,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:28:49,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:28:49,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:28:49,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (1/1) ... [2022-12-13 15:28:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:28:49,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:28:49,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:28:49,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:28:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:28:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:28:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 15:28:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:28:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 15:28:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:28:49,645 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:28:49,646 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:28:49,765 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:28:49,769 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:28:49,769 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:28:49,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:49 BoogieIcfgContainer [2022-12-13 15:28:49,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:28:49,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:28:49,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:28:49,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:28:49,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:28:48" (1/3) ... [2022-12-13 15:28:49,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cfe4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:28:49, skipping insertion in model container [2022-12-13 15:28:49,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:28:49" (2/3) ... [2022-12-13 15:28:49,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cfe4cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:28:49, skipping insertion in model container [2022-12-13 15:28:49,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:49" (3/3) ... [2022-12-13 15:28:49,777 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2022-12-13 15:28:49,790 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:28:49,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 15:28:49,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:28:49,827 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;@7056d81e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:28:49,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-13 15:28:49,830 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) [2022-12-13 15:28:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 15:28:49,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:28:49,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:28:49,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-13 15:28:49,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:28:49,840 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-13 15:28:49,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:28:49,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709280324] [2022-12-13 15:28:49,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:28:49,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:28:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:28:49,851 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:28:49,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 15:28:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:28:49,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:28:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:28:50,047 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 15:28:50,049 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 15:28:50,050 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-13 15:28:50,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-13 15:28:50,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:28:50,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:28:50,256 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 15:28:50,260 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:28:50,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:28:50 BoogieIcfgContainer [2022-12-13 15:28:50,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:28:50,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:28:50,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:28:50,277 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:28:50,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:28:49" (3/4) ... [2022-12-13 15:28:50,279 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 15:28:50,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:28:50,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:28:50,309 INFO L158 Benchmark]: Toolchain (without parser) took 1765.10ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.8MB in the beginning and 39.9MB in the end (delta: -142.6kB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,310 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:28:50,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 857.86ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 36.5MB in the end (delta: 3.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.61ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 33.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,311 INFO L158 Benchmark]: Boogie Preprocessor took 21.05ms. Allocated memory is still 79.7MB. Free memory was 33.5MB in the beginning and 31.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,312 INFO L158 Benchmark]: RCFGBuilder took 301.07ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 39.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,312 INFO L158 Benchmark]: TraceAbstraction took 503.73ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 42.5MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:28:50,312 INFO L158 Benchmark]: Witness Printer took 31.81ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 39.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:28:50,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory was 30.9MB in the beginning and 30.9MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 857.86ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 36.5MB in the end (delta: 3.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.61ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 33.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.05ms. Allocated memory is still 79.7MB. Free memory was 33.5MB in the beginning and 31.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 301.07ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 39.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 503.73ms. Allocated memory is still 79.7MB. Free memory was 38.9MB in the beginning and 42.5MB in the end (delta: -3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.81ms. Allocated memory is still 79.7MB. Free memory was 42.5MB in the beginning and 39.9MB in the end (delta: 2.6MB). 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: 1570]: 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] [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, dataArray={5:0}, 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()=2147483647, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --data VAL [data=-2147483648, dataArray={5:0}, dataArray={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: 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, 0.0s 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! [2022-12-13 15:28:50,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b34760fb-38b5-47f8-918f-c754ceaa509f/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)