./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:42:17,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:42:17,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:42:17,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:42:17,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:42:17,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:42:17,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:42:17,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:42:17,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:42:17,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:42:17,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:42:17,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:42:17,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:42:17,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:42:17,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:42:17,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:42:17,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:42:17,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:42:17,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:42:17,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:42:17,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:42:17,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:42:17,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:42:17,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:42:17,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:42:17,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:42:17,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:42:17,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:42:17,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:42:17,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:42:17,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:42:17,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:42:17,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:42:17,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:42:17,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:42:17,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:42:17,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:42:17,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:42:17,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:42:17,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:42:17,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:42:17,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 15:42:17,738 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:42:17,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:42:17,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:42:17,740 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:42:17,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:42:17,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:42:17,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:42:17,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:42:17,743 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:42:17,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:42:17,744 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:42:17,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:42:17,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:42:17,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:42:17,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:42:17,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:42:17,747 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:42:17,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:42:17,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:42:17,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:42:17,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:42:17,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:42:17,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:42:17,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:42:17,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:42:17,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:42:17,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:42:17,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:42:17,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:42:17,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:42:17,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:42:17,750 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:42:17,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:42:17,751 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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2022-11-25 15:42:18,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:42:18,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:42:18,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:42:18,123 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:42:18,123 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:42:18,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:21,166 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:42:21,574 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:42:21,575 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:21,608 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/208ee6689/ab872214d08142e0bffd3472127fc63e/FLAG44d1b2d93 [2022-11-25 15:42:21,631 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/208ee6689/ab872214d08142e0bffd3472127fc63e [2022-11-25 15:42:21,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:42:21,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:42:21,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:42:21,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:42:21,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:42:21,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:21" (1/1) ... [2022-11-25 15:42:21,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dcaa8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:21, skipping insertion in model container [2022-11-25 15:42:21,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:21" (1/1) ... [2022-11-25 15:42:21,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:42:21,764 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:42:22,226 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:22,664 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:22,673 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:22,677 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:22,690 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:22,693 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:22,740 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:22,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:22,760 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:42:22,790 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:22,884 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:22,887 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:22,888 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:22,892 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:22,899 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:22,904 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:22,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:23,018 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:42:23,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23 WrapperNode [2022-11-25 15:42:23,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:42:23,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:23,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:42:23,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:42:23,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,109 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-25 15:42:23,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:23,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:42:23,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:42:23,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:42:23,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:42:23,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:42:23,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:42:23,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:42:23,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (1/1) ... [2022-11-25 15:42:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:42:23,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:42:23,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:42:23,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:42:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:42:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:42:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:42:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:42:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:42:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:42:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:42:23,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:42:23,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:42:23,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:42:23,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:42:23,626 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:42:23,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:23 BoogieIcfgContainer [2022-11-25 15:42:23,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:42:23,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:42:23,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:42:23,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:42:23,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:42:21" (1/3) ... [2022-11-25 15:42:23,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d743c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:23, skipping insertion in model container [2022-11-25 15:42:23,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:23" (2/3) ... [2022-11-25 15:42:23,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d743c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:23, skipping insertion in model container [2022-11-25 15:42:23,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:23" (3/3) ... [2022-11-25 15:42:23,677 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:23,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:42:23,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:42:23,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:42:23,772 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;@2a6a2aea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:42:23,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:42:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:42:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:42:23,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:23,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:23,787 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:42:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:23,793 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 15:42:23,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:42:23,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124733385] [2022-11-25 15:42:23,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:23,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:42:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:23,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:42:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:24,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:42:24,132 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:42:24,133 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:42:24,135 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:42:24,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:42:24,139 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 15:42:24,143 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:42:24,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:42:24 BoogieIcfgContainer [2022-11-25 15:42:24,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:42:24,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:42:24,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:42:24,185 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:42:24,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:23" (3/4) ... [2022-11-25 15:42:24,189 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:42:24,189 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:42:24,190 INFO L158 Benchmark]: Toolchain (without parser) took 2554.18ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 72.3MB in the beginning and 140.4MB in the end (delta: -68.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:24,190 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:24,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.95ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 109.2MB in the end (delta: -37.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-25 15:42:24,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.20ms. Allocated memory is still 190.8MB. Free memory was 109.2MB in the beginning and 105.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:42:24,192 INFO L158 Benchmark]: Boogie Preprocessor took 40.93ms. Allocated memory is still 190.8MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:42:24,193 INFO L158 Benchmark]: RCFGBuilder took 476.85ms. Allocated memory is still 190.8MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:42:24,193 INFO L158 Benchmark]: TraceAbstraction took 513.52ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 141.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 15:42:24,194 INFO L158 Benchmark]: Witness Printer took 3.96ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 140.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:24,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.95ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 72.0MB in the beginning and 109.2MB in the end (delta: -37.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.20ms. Allocated memory is still 190.8MB. Free memory was 109.2MB in the beginning and 105.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.93ms. Allocated memory is still 190.8MB. Free memory was 105.8MB in the beginning and 104.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.85ms. Allocated memory is still 190.8MB. Free memory was 104.4MB in the beginning and 91.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 513.52ms. Allocated memory is still 190.8MB. Free memory was 160.2MB in the beginning and 141.5MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.96ms. Allocated memory is still 190.8MB. Free memory was 141.5MB in the beginning and 140.4MB in the end (delta: 1.0MB). 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1552, overapproximation of bitwiseAnd at line 1552. 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] [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483648:2147483650}, argv={2147483648:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=1, rand()=2147483647, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [data=-2147483648, data=-2147483648, dataCopy=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [data=-2147483648, data=-2147483648, dataCopy=-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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 15:42:24,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 15:42:26,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:42:26,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:42:26,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:42:26,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:42:26,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:42:26,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:42:26,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:42:26,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:42:26,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:42:26,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:42:26,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:42:26,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:42:26,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:42:26,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:42:26,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:42:26,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:42:26,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:42:26,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:42:26,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:42:26,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:42:26,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:42:26,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:42:26,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:42:26,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:42:26,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:42:26,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:42:26,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:42:26,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:42:26,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:42:26,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:42:26,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:42:26,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:42:26,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:42:26,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:42:26,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:42:26,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:42:26,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:42:26,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:42:26,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:42:26,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:42:26,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 15:42:26,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:42:26,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:42:26,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:42:26,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:42:26,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:42:26,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:42:26,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:42:26,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:42:26,888 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:42:26,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:42:26,889 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:42:26,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:42:26,890 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 15:42:26,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:42:26,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:42:26,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:42:26,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:42:26,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:42:26,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:42:26,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:42:26,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:42:26,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:42:26,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:42:26,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:42:26,893 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:42:26,893 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:42:26,893 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:42:26,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:42:26,894 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:42:26,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:42:26,894 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:42:26,894 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_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2022-11-25 15:42:27,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:42:27,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:42:27,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:42:27,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:42:27,315 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:42:27,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:30,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:42:30,971 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:42:30,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:30,993 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/0b1262ab0/7ab9cce102af417b9fdbfa62c3d212da/FLAG23de3c844 [2022-11-25 15:42:31,018 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/data/0b1262ab0/7ab9cce102af417b9fdbfa62c3d212da [2022-11-25 15:42:31,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:42:31,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:42:31,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:42:31,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:42:31,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:42:31,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:31" (1/1) ... [2022-11-25 15:42:31,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:31, skipping insertion in model container [2022-11-25 15:42:31,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:42:31" (1/1) ... [2022-11-25 15:42:31,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:42:31,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:42:31,553 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:32,065 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:32,071 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:32,072 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:32,075 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:32,076 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:32,122 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:32,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:32,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:42:32,159 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 15:42:32,273 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 15:42:32,276 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:32,280 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 15:42:32,284 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:32,285 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 15:42:32,297 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 15:42:32,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:42:32,490 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:42:32,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32 WrapperNode [2022-11-25 15:42:32,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:42:32,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:32,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:42:32,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:42:32,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,587 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2022-11-25 15:42:32,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:42:32,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:42:32,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:42:32,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:42:32,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:42:32,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:42:32,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:42:32,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:42:32,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (1/1) ... [2022-11-25 15:42:32,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:42:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:42:32,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:42:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:42:32,754 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 15:42:32,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 15:42:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 15:42:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:42:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:42:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:42:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 15:42:32,919 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:42:32,921 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:42:33,145 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:42:33,151 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:42:33,151 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 15:42:33,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:33 BoogieIcfgContainer [2022-11-25 15:42:33,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:42:33,156 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:42:33,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:42:33,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:42:33,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:42:31" (1/3) ... [2022-11-25 15:42:33,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797f5146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:33, skipping insertion in model container [2022-11-25 15:42:33,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:42:32" (2/3) ... [2022-11-25 15:42:33,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797f5146 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:42:33, skipping insertion in model container [2022-11-25 15:42:33,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:33" (3/3) ... [2022-11-25 15:42:33,166 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2022-11-25 15:42:33,185 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:42:33,186 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 15:42:33,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:42:33,256 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;@3b779780, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:42:33,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 15:42:33,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 15:42:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:42:33,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:42:33,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:42:33,271 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 15:42:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:42:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-11-25 15:42:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:42:33,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195177676] [2022-11-25 15:42:33,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:42:33,297 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:42:33,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:42:33,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:42:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 15:42:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:33,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:42:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:42:33,582 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-25 15:42:33,584 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:42:33,586 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 15:42:33,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 15:42:33,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:42:33,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:42:33,805 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 15:42:33,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:42:33,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:42:33 BoogieIcfgContainer [2022-11-25 15:42:33,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:42:33,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:42:33,871 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:42:33,872 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:42:33,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:42:33" (3/4) ... [2022-11-25 15:42:33,874 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 15:42:33,944 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:42:33,944 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:42:33,946 INFO L158 Benchmark]: Toolchain (without parser) took 2923.29ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 44.2MB in the end (delta: 21.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,946 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:42:33,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.00ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 54.2MB in the end (delta: 11.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.99ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 50.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,947 INFO L158 Benchmark]: Boogie Preprocessor took 68.60ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,948 INFO L158 Benchmark]: RCFGBuilder took 494.63ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 63.5MB in the end (delta: -14.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,950 INFO L158 Benchmark]: TraceAbstraction took 712.88ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 46.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,954 INFO L158 Benchmark]: Witness Printer took 73.96ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:42:33,956 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 67.1MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.00ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 54.2MB in the end (delta: 11.1MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.99ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 50.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.60ms. Allocated memory is still 92.3MB. Free memory was 50.9MB in the beginning and 48.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.63ms. Allocated memory is still 92.3MB. Free memory was 48.8MB in the beginning and 63.5MB in the end (delta: -14.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * TraceAbstraction took 712.88ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 46.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 73.96ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 44.2MB in the end (delta: 2.7MB). 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: 1557]: 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=1, rand()=0, rand()=0, rand()=1073741823, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [data=-2147483648, data=-2147483648, dataCopy=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] data - 1 VAL [data=-2147483648, data=-2147483648, dataCopy=-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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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=21occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 15:42:33,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9b79203-d068-4ebe-8b3b-d9bb2999a340/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)