./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_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_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- 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 [2022-12-14 09:57:29,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:29,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:29,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:29,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:29,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:29,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:29,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:29,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:29,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:29,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:29,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:29,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:29,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:29,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:29,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:29,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:29,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:29,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:29,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:29,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:29,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:29,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:29,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:29,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:29,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:29,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:29,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:29,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:29,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:29,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:29,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:29,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:29,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:29,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:29,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:29,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:29,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:29,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:29,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:29,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:29,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 09:57:29,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:29,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:29,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:29,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:29,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:29,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:29,192 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:29,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:57:29,193 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:57:29,194 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:29,194 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:57:29,194 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:57:29,194 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:57:29,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:29,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:57:29,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:57:29,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:57:29,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:29,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:57:29,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:29,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:29,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:29,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:29,198 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:57:29,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:29,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:57:29,198 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:57:29,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:57:29,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:57:29,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:29,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2022-12-14 09:57:29,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:29,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:29,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:29,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:29,383 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:29,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:31,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:32,214 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:32,214 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:32,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/f6dad2ef0/21500b85120143509da109e670c8de4d/FLAG5c8c34346 [2022-12-14 09:57:32,506 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/f6dad2ef0/21500b85120143509da109e670c8de4d [2022-12-14 09:57:32,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:32,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:32,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:32,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:32,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:32,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:32" (1/1) ... [2022-12-14 09:57:32,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a28b2dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:32, skipping insertion in model container [2022-12-14 09:57:32,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:32" (1/1) ... [2022-12-14 09:57:32,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:32,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:32,846 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:57:33,226 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:57:33,230 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:33,231 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:33,233 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:33,234 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:33,252 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:57:33,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:33,262 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:57:33,275 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:57:33,306 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:57:33,307 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:33,308 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:33,309 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:33,310 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:33,313 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:57:33,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:33,410 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:57:33,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33 WrapperNode [2022-12-14 09:57:33,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:33,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:33,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:57:33,411 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:57:33,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,461 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2022-12-14 09:57:33,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:33,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:57:33,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:57:33,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:57:33,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:57:33,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:57:33,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:57:33,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:57:33,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (1/1) ... [2022-12-14 09:57:33,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:33,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:57:33,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:57:33,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:57:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 09:57:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 09:57:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:57:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:57:33,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:57:33,551 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 09:57:33,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:57:33,673 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:57:33,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:57:33,777 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:57:33,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:57:33,828 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:57:33,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:33 BoogieIcfgContainer [2022-12-14 09:57:33,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:57:33,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:57:33,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:57:33,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:57:33,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:57:32" (1/3) ... [2022-12-14 09:57:33,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a10e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:33, skipping insertion in model container [2022-12-14 09:57:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:33" (2/3) ... [2022-12-14 09:57:33,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a10e424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:33, skipping insertion in model container [2022-12-14 09:57:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:33" (3/3) ... [2022-12-14 09:57:33,836 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:33,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:57:33,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:57:33,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:57:33,888 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=FINITE_AUTOMATA, 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;@36dfe42f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:57:33,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:57:33,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 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) [2022-12-14 09:57:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 09:57:33,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:57:33,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 09:57:33,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:57:33,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:57:33,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2142650544, now seen corresponding path program 1 times [2022-12-14 09:57:33,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:57:33,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845424297] [2022-12-14 09:57:33,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:57:33,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:57:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:57:34,025 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:57:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:57:34,071 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:57:34,072 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:57:34,073 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 09:57:34,075 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 09:57:34,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:57:34,079 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 09:57:34,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:57:34,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:57:34 BoogieIcfgContainer [2022-12-14 09:57:34,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:57:34,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:57:34,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:57:34,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:57:34,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:33" (3/4) ... [2022-12-14 09:57:34,100 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:57:34,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:57:34,101 INFO L158 Benchmark]: Toolchain (without parser) took 1591.09ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 90.2MB in the beginning and 65.2MB in the end (delta: 25.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 09:57:34,101 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:34,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.71ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 89.7MB in the beginning and 111.4MB in the end (delta: -21.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2022-12-14 09:57:34,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.35ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 09:57:34,102 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 983.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:34,103 INFO L158 Benchmark]: RCFGBuilder took 341.57ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 87.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 09:57:34,103 INFO L158 Benchmark]: TraceAbstraction took 265.04ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 65.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:34,103 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 161.5MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:34,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 70.1MB in the beginning and 70.0MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.71ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 89.7MB in the beginning and 111.4MB in the end (delta: -21.7MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.35ms. Allocated memory is still 161.5MB. Free memory was 111.4MB in the beginning and 107.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 106.2MB in the end (delta: 983.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.57ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 87.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 265.04ms. Allocated memory is still 161.5MB. Free memory was 86.2MB in the beginning and 65.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 161.5MB. Free memory is still 65.2MB. 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: 1575]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1563] 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) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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, 12 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=12occurred 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, 6 NumberOfCodeBlocks, 6 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 [2022-12-14 09:57:34,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- 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 [2022-12-14 09:57:35,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:57:35,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:57:35,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:57:35,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:57:35,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:57:35,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:57:35,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:57:35,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:57:35,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:57:35,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:57:35,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:57:35,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:57:35,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:57:35,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:57:35,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:57:35,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:57:35,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:57:35,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:57:35,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:57:35,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:57:35,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:57:35,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:57:35,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:57:35,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:57:35,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:57:35,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:57:35,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:57:35,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:57:35,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:57:35,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:57:35,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:57:35,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:57:35,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:57:35,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:57:35,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:57:35,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:57:35,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:57:35,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:57:35,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:57:35,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:57:35,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 09:57:35,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:57:35,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:57:35,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:57:35,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:57:35,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:57:35,735 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:57:35,735 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:57:35,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:57:35,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 09:57:35,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:57:35,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:57:35,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:57:35,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:57:35,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:57:35,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:35,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:57:35,738 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:57:35,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:57:35,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:57:35,739 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:57:35,739 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2022-12-14 09:57:35,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:57:35,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:57:35,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:57:35,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:57:35,963 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:57:35,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:38,483 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:57:38,735 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:57:38,736 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:38,749 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/4783edae4/997346d265b3435ca4df9f02fd5b5e79/FLAG7ea68e008 [2022-12-14 09:57:39,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/data/4783edae4/997346d265b3435ca4df9f02fd5b5e79 [2022-12-14 09:57:39,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:57:39,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:57:39,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:39,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:57:39,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:57:39,046 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51bfc884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39, skipping insertion in model container [2022-12-14 09:57:39,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:57:39,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:57:39,314 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:57:39,640 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:57:39,644 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:39,645 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:39,647 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:39,648 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:39,669 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:57:39,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:39,686 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:57:39,703 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 09:57:39,748 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 09:57:39,749 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:39,750 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 09:57:39,752 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:39,753 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 09:57:39,757 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 09:57:39,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:57:39,846 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:57:39,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39 WrapperNode [2022-12-14 09:57:39,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:57:39,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:39,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:57:39,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:57:39,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,906 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2022-12-14 09:57:39,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:57:39,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:57:39,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:57:39,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:57:39,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,929 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:57:39,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:57:39,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:57:39,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:57:39,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (1/1) ... [2022-12-14 09:57:39,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:57:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:57:39,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:57:39,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:57:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 09:57:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 09:57:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 09:57:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:57:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:57:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:57:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 09:57:40,102 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:57:40,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:57:40,210 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:57:40,219 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:57:40,219 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 09:57:40,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:40 BoogieIcfgContainer [2022-12-14 09:57:40,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:57:40,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:57:40,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:57:40,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:57:40,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:57:39" (1/3) ... [2022-12-14 09:57:40,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6d654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:40, skipping insertion in model container [2022-12-14 09:57:40,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:57:39" (2/3) ... [2022-12-14 09:57:40,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a6d654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:57:40, skipping insertion in model container [2022-12-14 09:57:40,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:40" (3/3) ... [2022-12-14 09:57:40,226 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2022-12-14 09:57:40,239 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:57:40,239 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 09:57:40,271 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:57:40,275 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=FINITE_AUTOMATA, 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;@75993058, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:57:40,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 09:57:40,278 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) [2022-12-14 09:57:40,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:57:40,283 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:57:40,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:57:40,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 09:57:40,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:57:40,288 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-12-14 09:57:40,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:57:40,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8748345] [2022-12-14 09:57:40,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:57:40,297 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 [2022-12-14 09:57:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:57:40,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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) [2022-12-14 09:57:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:57:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:57:40,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:57:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:57:40,458 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 09:57:40,460 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:57:40,461 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 09:57:40,462 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 09:57:40,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:57:40,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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 [2022-12-14 09:57:40,668 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 09:57:40,672 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:57:40,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:57:40 BoogieIcfgContainer [2022-12-14 09:57:40,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:57:40,713 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:57:40,713 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:57:40,713 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:57:40,714 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:57:40" (3/4) ... [2022-12-14 09:57:40,717 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 09:57:40,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 09:57:40,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:57:40,797 INFO L158 Benchmark]: Toolchain (without parser) took 1754.84ms. Allocated memory is still 65.0MB. Free memory was 32.0MB in the beginning and 34.5MB in the end (delta: -2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:40,798 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:40,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.22ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 26.3MB in the end (delta: 5.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 09:57:40,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.11ms. Allocated memory is still 65.0MB. Free memory was 26.3MB in the beginning and 37.7MB in the end (delta: -11.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:40,801 INFO L158 Benchmark]: Boogie Preprocessor took 24.72ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 35.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:57:40,802 INFO L158 Benchmark]: RCFGBuilder took 287.93ms. Allocated memory is still 65.0MB. Free memory was 35.6MB in the beginning and 37.8MB in the end (delta: -2.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-12-14 09:57:40,802 INFO L158 Benchmark]: TraceAbstraction took 489.88ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 37.3MB in the end (delta: -49.9kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 09:57:40,803 INFO L158 Benchmark]: Witness Printer took 83.48ms. Allocated memory is still 65.0MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 09:57:40,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.22ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 26.3MB in the end (delta: 5.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.11ms. Allocated memory is still 65.0MB. Free memory was 26.3MB in the beginning and 37.7MB in the end (delta: -11.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.72ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 35.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 287.93ms. Allocated memory is still 65.0MB. Free memory was 35.6MB in the beginning and 37.8MB in the end (delta: -2.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 489.88ms. Allocated memory is still 65.0MB. Free memory was 37.2MB in the beginning and 37.3MB in the end (delta: -49.9kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 83.48ms. Allocated memory is still 65.0MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). 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: 1575]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_sub_68_badData; [L1549] int CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_rand_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=1, rand()=0, rand()=1073741823, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=-2147483648] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, data=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1575]: 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! [2022-12-14 09:57:40,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91939134-08eb-4fba-a4b1-34d2f002506a/bin/utaipan-gh47qXpMRh/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)