./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur --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 1d84c06b0bdb997bdc4bc0b714497fc894e6f463eca2e5150a8bc863ef0d6868 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:03:39,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:39,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:39,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:39,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:39,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:39,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:39,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:39,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:39,509 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:39,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:39,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:39,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:39,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:39,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:39,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:39,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:39,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:39,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:39,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:39,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:39,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:39,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:39,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:39,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:39,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:39,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:39,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:39,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:39,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:39,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:39,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:39,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:39,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:39,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:39,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:39,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:39,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:39,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:39,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:39,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:39,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:03:39,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:39,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:39,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:39,614 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:39,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:39,615 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:39,616 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:39,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:39,616 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:39,616 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:03:39,617 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:39,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:39,618 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:03:39,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:03:39,618 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:39,618 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:03:39,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:03:39,619 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:03:39,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:39,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:39,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:03:39,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:39,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:03:39,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:39,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:03:39,621 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:03:39,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:03:39,622 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:39,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:03:39,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:39,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:39,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:39,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:39,624 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:03:39,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:39,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:03:39,624 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:03:39,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:03:39,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:03:39,626 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:39,626 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_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d84c06b0bdb997bdc4bc0b714497fc894e6f463eca2e5150a8bc863ef0d6868 [2022-11-26 01:03:39,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:40,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:40,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:40,015 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:40,016 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:40,017 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:43,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:43,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:43,520 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:43,551 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/c184c8a28/9f4d149e66c7462f9fae67d80ca96b41/FLAG7b847d29f [2022-11-26 01:03:43,571 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/c184c8a28/9f4d149e66c7462f9fae67d80ca96b41 [2022-11-26 01:03:43,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:43,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:43,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:43,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:43,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:43,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:43" (1/1) ... [2022-11-26 01:03:43,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7699cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:43, skipping insertion in model container [2022-11-26 01:03:43,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:43" (1/1) ... [2022-11-26 01:03:43,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:43,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:43,995 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:03:44,460 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:03:44,467 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:44,474 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:44,484 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:44,485 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:44,532 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:03:44,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:03:44,565 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:03:44,621 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:03:44,701 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:03:44,704 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:44,707 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:44,710 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:44,713 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:44,722 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:03:44,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:03:44,862 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:03:44,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44 WrapperNode [2022-11-26 01:03:44,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:44,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:03:44,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:03:44,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:03:44,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,951 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-26 01:03:44,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:03:44,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:03:44,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:03:44,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:03:44,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:03:44,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:03:44,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:03:44,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:03:44,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (1/1) ... [2022-11-26 01:03:44,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:45,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:45,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:03:45,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:03:45,092 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:03:45,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:03:45,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:03:45,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:03:45,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:03:45,093 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:03:45,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:03:45,331 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:03:45,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:03:45,496 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:03:45,603 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:03:45,605 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:03:45,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:45 BoogieIcfgContainer [2022-11-26 01:03:45,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:03:45,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:03:45,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:03:45,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:03:45,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:03:43" (1/3) ... [2022-11-26 01:03:45,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9b1fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:03:45, skipping insertion in model container [2022-11-26 01:03:45,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:44" (2/3) ... [2022-11-26 01:03:45,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9b1fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:03:45, skipping insertion in model container [2022-11-26 01:03:45,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:45" (3/3) ... [2022-11-26 01:03:45,621 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:45,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:03:45,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:03:45,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:03:45,701 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;@e2fe436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:03:45,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:03:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:03:45,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 01:03:45,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:45,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:45,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:03:45,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:45,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350087, now seen corresponding path program 1 times [2022-11-26 01:03:45,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:45,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626870792] [2022-11-26 01:03:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:03:46,100 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:03:46,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626870792] [2022-11-26 01:03:46,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626870792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:46,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:46,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:03:46,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180651554] [2022-11-26 01:03:46,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:46,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:03:46,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:03:46,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:03:46,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:03:46,143 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-26 01:03:46,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:46,213 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-26 01:03:46,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:03:46,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) Word has length 7 [2022-11-26 01:03:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:46,223 INFO L225 Difference]: With dead ends: 18 [2022-11-26 01:03:46,224 INFO L226 Difference]: Without dead ends: 9 [2022-11-26 01:03:46,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:03:46,238 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:46,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:03:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-26 01:03:46,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-26 01:03:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2022-11-26 01:03:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-26 01:03:46,276 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-26 01:03:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:46,277 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-26 01:03:46,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2022-11-26 01:03:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-26 01:03:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:03:46,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:46,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:46,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:03:46,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:03:46,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:46,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1140245203, now seen corresponding path program 1 times [2022-11-26 01:03:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:03:46,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538716820] [2022-11-26 01:03:46,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:46,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:03:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:03:46,358 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:03:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:03:46,415 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:03:46,415 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:03:46,417 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:03:46,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:03:46,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:03:46,423 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:03:46,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:03:46,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:03:46 BoogieIcfgContainer [2022-11-26 01:03:46,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:03:46,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:03:46,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:03:46,454 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:03:46,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:45" (3/4) ... [2022-11-26 01:03:46,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:03:46,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:03:46,459 INFO L158 Benchmark]: Toolchain (without parser) took 2882.95ms. Allocated memory is still 163.6MB. Free memory was 131.4MB in the beginning and 72.2MB in the end (delta: 59.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,459 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:46,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1273.72ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 125.8MB in the end (delta: 6.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.58ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 122.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,461 INFO L158 Benchmark]: Boogie Preprocessor took 28.41ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,461 INFO L158 Benchmark]: RCFGBuilder took 627.02ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 113.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,462 INFO L158 Benchmark]: TraceAbstraction took 841.95ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 72.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-26 01:03:46,462 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 163.6MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:46,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1273.72ms. Allocated memory is still 163.6MB. Free memory was 132.3MB in the beginning and 125.8MB in the end (delta: 6.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.58ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 122.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.41ms. Allocated memory is still 163.6MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 627.02ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 113.1MB in the end (delta: 7.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 841.95ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 72.2MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 163.6MB. Free memory is still 72.2MB. 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1570, overapproximation of bitwiseAnd at line 1570. 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)=1073741825, argc=1073741825, argv={1073741827:1073741826}, argv={1073741827:1073741826}, 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 CWE190_Integer_Overflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [data=1073741824, 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: 1556]: 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, 14 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2022-11-26 01:03:46,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur --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 1d84c06b0bdb997bdc4bc0b714497fc894e6f463eca2e5150a8bc863ef0d6868 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 01:03:48,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:03:48,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:03:49,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:03:49,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:03:49,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:03:49,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:03:49,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:03:49,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:03:49,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:03:49,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:03:49,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:03:49,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:03:49,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:03:49,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:03:49,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:03:49,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:03:49,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:03:49,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:03:49,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:03:49,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:03:49,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:03:49,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:03:49,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:03:49,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:03:49,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:03:49,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:03:49,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:03:49,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:03:49,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:03:49,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:03:49,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:03:49,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:03:49,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:03:49,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:03:49,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:03:49,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:03:49,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:03:49,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:03:49,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:03:49,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:03:49,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:03:49,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:03:49,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:03:49,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:03:49,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:03:49,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:03:49,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:03:49,133 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:03:49,133 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:03:49,133 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:03:49,133 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:03:49,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:03:49,135 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:03:49,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:03:49,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:03:49,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:03:49,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:03:49,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:03:49,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:03:49,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:03:49,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:03:49,137 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:03:49,138 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:03:49,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:03:49,138 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:03:49,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:03:49,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:03:49,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:03:49,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:03:49,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:49,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:03:49,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:03:49,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:03:49,140 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:03:49,141 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:03:49,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:03:49,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:03:49,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:03:49,141 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_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d84c06b0bdb997bdc4bc0b714497fc894e6f463eca2e5150a8bc863ef0d6868 [2022-11-26 01:03:49,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:03:49,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:03:49,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:03:49,530 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:03:49,531 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:03:49,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:52,797 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:03:53,157 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:03:53,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:53,191 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/1ba3fd846/9585cff741064648abb07e026eaffbfc/FLAG4e9cc783d [2022-11-26 01:03:53,212 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/data/1ba3fd846/9585cff741064648abb07e026eaffbfc [2022-11-26 01:03:53,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:03:53,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:03:53,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:53,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:03:53,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:03:53,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:53" (1/1) ... [2022-11-26 01:03:53,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2022a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:53, skipping insertion in model container [2022-11-26 01:03:53,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:03:53" (1/1) ... [2022-11-26 01:03:53,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:03:53,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:03:53,632 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:03:54,199 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:03:54,205 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:54,208 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:54,218 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:54,219 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:54,252 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:03:54,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:03:54,282 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:03:54,317 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:03:54,393 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:03:54,394 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:54,396 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:03:54,398 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:54,399 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:03:54,403 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:03:54,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:03:54,546 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:03:54,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54 WrapperNode [2022-11-26 01:03:54,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:03:54,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:03:54,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:03:54,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:03:54,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,629 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-11-26 01:03:54,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:03:54,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:03:54,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:03:54,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:03:54,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:03:54,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:03:54,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:03:54,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:03:54,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (1/1) ... [2022-11-26 01:03:54,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:03:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:03:54,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:03:54,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:03:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:03:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:03:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:03:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:03:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:03:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:03:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:03:54,930 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:03:54,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:03:55,088 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:03:55,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:03:55,095 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:03:55,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:55 BoogieIcfgContainer [2022-11-26 01:03:55,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:03:55,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:03:55,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:03:55,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:03:55,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:03:53" (1/3) ... [2022-11-26 01:03:55,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caced1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:03:55, skipping insertion in model container [2022-11-26 01:03:55,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:03:54" (2/3) ... [2022-11-26 01:03:55,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caced1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:03:55, skipping insertion in model container [2022-11-26 01:03:55,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:55" (3/3) ... [2022-11-26 01:03:55,107 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_61_bad.i [2022-11-26 01:03:55,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:03:55,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:03:55,179 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:03:55,187 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;@40f71b8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:03:55,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:03:55,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 01:03:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 01:03:55,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:55,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:55,202 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:03:55,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:55,208 INFO L85 PathProgramCache]: Analyzing trace with hash 149557746, now seen corresponding path program 1 times [2022-11-26 01:03:55,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:03:55,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41068772] [2022-11-26 01:03:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:55,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:03:55,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:03:55,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:03:55,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 01:03:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:03:55,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:03:55,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:03:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:03:55,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:03:55,479 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:03:55,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41068772] [2022-11-26 01:03:55,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41068772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:03:55,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:03:55,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:03:55,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142430505] [2022-11-26 01:03:55,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:03:55,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:03:55,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:03:55,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:03:55,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:03:55,543 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 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 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 01:03:55,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:03:55,610 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-26 01:03:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:03:55,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-26 01:03:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:03:55,621 INFO L225 Difference]: With dead ends: 29 [2022-11-26 01:03:55,621 INFO L226 Difference]: Without dead ends: 15 [2022-11-26 01:03:55,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:03:55,633 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:03:55,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 46 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:03:55,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-26 01:03:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-26 01:03:55,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-11-26 01:03:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-26 01:03:55,671 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2022-11-26 01:03:55,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:03:55,672 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-26 01:03:55,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 01:03:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-26 01:03:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 01:03:55,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:03:55,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:03:55,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 01:03:55,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:03:55,890 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:03:55,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:03:55,891 INFO L85 PathProgramCache]: Analyzing trace with hash 341322888, now seen corresponding path program 1 times [2022-11-26 01:03:55,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:03:55,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431035685] [2022-11-26 01:03:55,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:03:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:03:55,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:03:55,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 01:03:55,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/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 (3)] Waiting until timeout for monitored process [2022-11-26 01:03:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:03:56,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:03:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:03:56,106 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:03:56,107 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:03:56,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:03:56,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:03:56,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/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 (3)] Ended with exit code 0 [2022-11-26 01:03:56,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 01:03:56,323 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:03:56,327 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:03:56,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:03:56 BoogieIcfgContainer [2022-11-26 01:03:56,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:03:56,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:03:56,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:03:56,358 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:03:56,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:03:55" (3/4) ... [2022-11-26 01:03:56,360 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 01:03:56,421 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:03:56,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:03:56,430 INFO L158 Benchmark]: Toolchain (without parser) took 3213.73ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 46.3MB in the beginning and 37.2MB in the end (delta: 9.1MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,431 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:03:56,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 40.2MB in the end (delta: 5.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.62ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 61.5MB in the end (delta: -21.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,433 INFO L158 Benchmark]: Boogie Preprocessor took 33.98ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,433 INFO L158 Benchmark]: RCFGBuilder took 428.36ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 46.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,434 INFO L158 Benchmark]: TraceAbstraction took 1256.85ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 39.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,436 INFO L158 Benchmark]: Witness Printer took 72.12ms. Allocated memory is still 90.2MB. Free memory was 39.8MB in the beginning and 37.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:03:56,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 46.1MB in the beginning and 40.2MB in the end (delta: 5.9MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.62ms. Allocated memory is still 90.2MB. Free memory was 40.2MB in the beginning and 61.5MB in the end (delta: -21.3MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.98ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.36ms. Allocated memory is still 90.2MB. Free memory was 59.4MB in the beginning and 46.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1256.85ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 39.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 72.12ms. Allocated memory is still 90.2MB. Free memory was 39.8MB in the beginning and 37.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1556]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=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()=2, rand()=0, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [\old(data)=0, \result=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [data=2147483647, 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: 1556]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 2 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 proved your program to be incorrect! [2022-11-26 01:03:56,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ca9af67-46ba-4cc9-86b2-da8990151799/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)