./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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_0b29a626-6f12-419f-a645-107663385905/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 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e --- 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 05:01:19,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:01:19,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:01:19,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:01:19,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:01:19,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:01:19,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:01:19,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:01:19,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:01:19,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:01:19,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:01:19,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:01:19,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:01:19,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:01:19,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:01:19,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:01:19,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:01:19,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:01:19,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:01:19,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:01:19,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:01:19,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:01:19,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:01:19,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:01:19,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:01:19,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:01:19,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:01:19,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:01:19,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:01:19,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:01:19,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:01:19,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:01:19,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:01:19,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:01:19,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:01:19,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:01:19,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:01:19,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:01:19,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:01:19,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:01:19,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:01:19,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:01:19,280 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:01:19,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:01:19,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:01:19,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:01:19,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:01:19,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:01:19,281 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:01:19,282 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:01:19,282 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:01:19,283 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:01:19,283 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:01:19,283 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:01:19,283 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:01:19,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:01:19,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:01:19,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:01:19,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:01:19,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:01:19,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:01:19,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:01:19,286 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:01:19,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:01:19,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:01:19,286 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:01:19,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:01:19,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:01:19,287 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:01:19,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:01:19,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:01:19,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:01:19,287 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_0b29a626-6f12-419f-a645-107663385905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e [2022-12-14 05:01:19,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:01:19,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:01:19,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:01:19,509 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:01:19,509 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:01:19,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:22,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:01:22,347 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:01:22,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:22,362 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/5c8946ac3/c07f26caec4f4eb38dc6814464f59671/FLAG006f948c6 [2022-12-14 05:01:22,647 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/5c8946ac3/c07f26caec4f4eb38dc6814464f59671 [2022-12-14 05:01:22,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:01:22,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:01:22,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:01:22,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:01:22,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:01:22,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:22" (1/1) ... [2022-12-14 05:01:22,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@674a362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:22, skipping insertion in model container [2022-12-14 05:01:22,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:22" (1/1) ... [2022-12-14 05:01:22,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:01:22,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:01:22,940 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:01:23,302 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:01:23,306 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:23,308 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:23,309 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:23,310 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:23,684 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:01:23,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:01:23,691 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:01:23,703 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:01:23,729 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:01:23,730 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:23,731 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:23,733 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:23,733 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:23,743 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:01:23,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:01:24,007 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:01:24,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24 WrapperNode [2022-12-14 05:01:24,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:01:24,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:01:24,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:01:24,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:01:24,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,076 INFO L138 Inliner]: procedures = 937, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 05:01:24,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:01:24,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:01:24,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:01:24,077 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:01:24,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:01:24,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:01:24,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:01:24,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:01:24,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (1/1) ... [2022-12-14 05:01:24,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:01:24,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:01:24,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:01:24,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:01:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:01:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:01:24,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:01:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:01:24,271 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:01:24,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:01:24,390 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:01:24,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:01:24,454 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:01:24,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:24 BoogieIcfgContainer [2022-12-14 05:01:24,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:01:24,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:01:24,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:01:24,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:01:24,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:01:22" (1/3) ... [2022-12-14 05:01:24,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188b4dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:24, skipping insertion in model container [2022-12-14 05:01:24,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:24" (2/3) ... [2022-12-14 05:01:24,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188b4dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:24, skipping insertion in model container [2022-12-14 05:01:24,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:24" (3/3) ... [2022-12-14 05:01:24,464 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:24,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:01:24,482 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:01:24,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:01:24,522 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;@4055231c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:01:24,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:01:24,526 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 05:01:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 05:01:24,531 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:24,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 05:01:24,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:01:24,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:24,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2064490869, now seen corresponding path program 1 times [2022-12-14 05:01:24,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:01:24,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497695500] [2022-12-14 05:01:24,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:24,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:01:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:01:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:01:24,701 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:01:24,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497695500] [2022-12-14 05:01:24,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497695500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:01:24,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:01:24,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:01:24,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694429179] [2022-12-14 05:01:24,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:01:24,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:01:24,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:01:24,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:01:24,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:01:24,730 INFO L87 Difference]: Start difference. First 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) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:01:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:01:24,760 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 05:01:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:01:24,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 05:01:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:01:24,766 INFO L225 Difference]: With dead ends: 12 [2022-12-14 05:01:24,766 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 05:01:24,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:01:24,771 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:01:24,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:01:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 05:01:24,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 05:01:24,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:01:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 05:01:24,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 05:01:24,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:01:24,794 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 05:01:24,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:01:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 05:01:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:01:24,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:24,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:01:24,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:01:24,796 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:01:24,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash -425292448, now seen corresponding path program 1 times [2022-12-14 05:01:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:01:24,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332705388] [2022-12-14 05:01:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:24,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:01:24,826 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 05:01:24,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1775291749] [2022-12-14 05:01:24,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:01:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:01:24,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:01:24,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:01:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:01:24,907 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:01:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:01:25,008 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:01:25,009 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:01:25,009 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:01:25,011 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:01:25,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:01:25,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:01:25,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:01:25,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:01:25,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:01:25 BoogieIcfgContainer [2022-12-14 05:01:25,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:01:25,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:01:25,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:01:25,290 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:01:25,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:24" (3/4) ... [2022-12-14 05:01:25,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:01:25,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:01:25,302 INFO L158 Benchmark]: Toolchain (without parser) took 2650.19ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.7MB in the beginning and 92.4MB in the end (delta: 32.4MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,303 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:01:25,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1356.88ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.7MB in the beginning and 159.4MB in the end (delta: -34.6MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.75ms. Allocated memory is still 197.1MB. Free memory was 159.4MB in the beginning and 156.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,305 INFO L158 Benchmark]: Boogie Preprocessor took 26.06ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 154.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,306 INFO L158 Benchmark]: RCFGBuilder took 353.02ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 133.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,307 INFO L158 Benchmark]: TraceAbstraction took 829.28ms. Allocated memory is still 197.1MB. Free memory was 132.1MB in the beginning and 92.4MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 05:01:25,307 INFO L158 Benchmark]: Witness Printer took 10.41ms. Allocated memory is still 197.1MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:01:25,311 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1356.88ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.7MB in the beginning and 159.4MB in the end (delta: -34.6MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.75ms. Allocated memory is still 197.1MB. Free memory was 159.4MB in the beginning and 156.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.06ms. Allocated memory is still 197.1MB. Free memory was 156.2MB in the beginning and 154.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.02ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 133.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 829.28ms. Allocated memory is still 197.1MB. Free memory was 132.1MB in the beginning and 92.4MB in the end (delta: 39.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 10.41ms. Allocated memory is still 197.1MB. Free memory is still 92.4MB. 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: 1847]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1842, overapproximation of bitwiseAnd at line 1842. 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); [L1855] 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) [L1855] RET printLine("Calling bad()...") VAL [\old(argc)=14, argc=14, 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] [L1856] CALL CWE190_Integer_Overflow__int_rand_square_34_bad() [L1839] int data; [L1840] CWE190_Integer_Overflow__int_rand_square_34_unionType myUnion; [L1841] data = 0 [L1842] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1842] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1842] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1843] myUnion.unionFirst = data [L1845] EXPR myUnion.unionSecond [L1845] int data = myUnion.unionSecond; [L1847] data * data VAL [data=-1032459, data=-1032459, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myUnion={4:0}] - UnprovableResult [Line: 1847]: 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 05:01:25,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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 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_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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_0b29a626-6f12-419f-a645-107663385905/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 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e --- 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 05:01:27,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:01:27,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:01:27,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:01:27,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:01:27,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:01:27,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:01:27,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:01:27,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:01:27,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:01:27,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:01:27,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:01:27,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:01:27,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:01:27,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:01:27,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:01:27,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:01:27,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:01:27,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:01:27,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:01:27,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:01:27,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:01:27,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:01:27,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:01:27,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:01:27,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:01:27,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:01:27,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:01:27,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:01:27,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:01:27,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:01:27,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:01:27,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:01:27,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:01:27,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:01:27,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:01:27,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:01:27,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:01:27,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:01:27,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:01:27,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:01:27,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:01:27,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:01:27,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:01:27,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:01:27,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:01:27,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:01:27,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:01:27,157 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:01:27,157 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:01:27,157 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:01:27,157 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:01:27,157 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:01:27,157 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:01:27,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:01:27,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:01:27,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:01:27,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:01:27,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:01:27,160 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:01:27,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:01:27,161 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_0b29a626-6f12-419f-a645-107663385905/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f88a6df78bd0164441a547d0e124f05e78e016778981d71a73b4ac2cc92875e [2022-12-14 05:01:27,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:01:27,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:01:27,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:01:27,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:01:27,422 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:01:27,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:30,082 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:01:30,375 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:01:30,376 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:30,397 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/ecd95ecd0/041cdbf4833f4b38b06b0f18d0b310c1/FLAG82efda69e [2022-12-14 05:01:30,412 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/data/ecd95ecd0/041cdbf4833f4b38b06b0f18d0b310c1 [2022-12-14 05:01:30,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:01:30,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:01:30,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:01:30,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:01:30,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:01:30,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:30" (1/1) ... [2022-12-14 05:01:30,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce5e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:30, skipping insertion in model container [2022-12-14 05:01:30,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:01:30" (1/1) ... [2022-12-14 05:01:30,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:01:30,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:01:30,838 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:01:31,274 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:01:31,278 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:31,279 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:31,281 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:31,282 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:31,654 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:01:31,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:01:31,667 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:01:31,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:01:31,732 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:01:31,734 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:31,735 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:01:31,737 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:31,738 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:01:31,757 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:01:31,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:01:32,058 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:01:32,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32 WrapperNode [2022-12-14 05:01:32,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:01:32,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:01:32,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:01:32,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:01:32,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,109 INFO L138 Inliner]: procedures = 942, calls = 58, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2022-12-14 05:01:32,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:01:32,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:01:32,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:01:32,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:01:32,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:01:32,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:01:32,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:01:32,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:01:32,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (1/1) ... [2022-12-14 05:01:32,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:01:32,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:01:32,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:01:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:01:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:01:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:01:32,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:01:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:01:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:01:32,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:01:32,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:01:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:01:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:01:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 05:01:32,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 05:01:32,326 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:01:32,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:01:33,576 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:01:33,580 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:01:33,581 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:01:33,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:33 BoogieIcfgContainer [2022-12-14 05:01:33,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:01:33,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:01:33,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:01:33,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:01:33,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:01:30" (1/3) ... [2022-12-14 05:01:33,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f129ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:33, skipping insertion in model container [2022-12-14 05:01:33,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:01:32" (2/3) ... [2022-12-14 05:01:33,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f129ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:01:33, skipping insertion in model container [2022-12-14 05:01:33,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:01:33" (3/3) ... [2022-12-14 05:01:33,587 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_34_bad.i [2022-12-14 05:01:33,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:01:33,600 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:01:33,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:01:33,635 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;@3496ac81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:01:33,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:01:33,638 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) [2022-12-14 05:01:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 05:01:33,643 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:01:33,644 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:01:33,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:01:33,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:01:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash 51472802, now seen corresponding path program 1 times [2022-12-14 05:01:33,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:01:33,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177585584] [2022-12-14 05:01:33,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:01:33,657 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 05:01:33,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:01:33,658 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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 05:01:33,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b29a626-6f12-419f-a645-107663385905/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