./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c4b14d2890f465adf5106af73f8410228ccfabd8edb77825cf5afe4e7887ed4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 03:09:00,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:09:00,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:09:00,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:09:00,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:09:00,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:09:00,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:09:00,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:09:00,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:09:00,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:09:00,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:09:00,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:09:00,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:09:00,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:09:00,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:09:00,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:09:00,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:09:00,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:09:00,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:09:00,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:09:00,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:09:00,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:09:00,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:09:00,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:09:00,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:09:00,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:09:00,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:09:00,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:09:00,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:09:00,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:09:00,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:09:00,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:09:00,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:09:00,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:09:00,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:09:00,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:09:00,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:09:00,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:09:00,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:09:00,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:09:00,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:09:00,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 03:09:00,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:09:00,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:09:00,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:09:00,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:09:00,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:09:00,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:09:00,675 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:09:00,676 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:09:00,676 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:09:00,677 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:09:00,677 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:09:00,677 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:09:00,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:09:00,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:09:00,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:09:00,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:09:00,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:09:00,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:09:00,680 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_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4b14d2890f465adf5106af73f8410228ccfabd8edb77825cf5afe4e7887ed4 [2022-12-14 03:09:00,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:09:00,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:09:00,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:09:00,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:09:00,910 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:09:00,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:03,529 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:09:03,798 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:09:03,798 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:03,815 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/9bd575071/def545bb925249dcbd3685ae49cc7c31/FLAG34cbeb225 [2022-12-14 03:09:03,828 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/9bd575071/def545bb925249dcbd3685ae49cc7c31 [2022-12-14 03:09:03,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:09:03,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:09:03,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:09:03,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:09:03,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:09:03,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:03" (1/1) ... [2022-12-14 03:09:03,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bffea4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:03, skipping insertion in model container [2022-12-14 03:09:03,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:03" (1/1) ... [2022-12-14 03:09:03,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:09:03,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:09:04,194 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 03:09:04,467 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 03:09:04,471 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:04,472 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:04,474 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:04,475 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:04,501 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 03:09:04,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:09:04,511 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:09:04,532 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 03:09:04,569 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 03:09:04,571 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:04,572 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:04,574 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:04,575 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:04,579 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 03:09:04,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:09:04,660 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:09:04,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04 WrapperNode [2022-12-14 03:09:04,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:09:04,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:09:04,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:09:04,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:09:04,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,708 INFO L138 Inliner]: procedures = 499, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-14 03:09:04,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:09:04,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:09:04,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:09:04,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:09:04,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:09:04,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:09:04,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:09:04,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:09:04,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (1/1) ... [2022-12-14 03:09:04,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:09:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:09:04,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:09:04,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:09:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 03:09:04,790 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 03:09:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:09:04,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:09:04,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:09:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 03:09:04,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:09:04,901 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:09:04,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:09:05,024 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:09:05,106 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:09:05,106 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:09:05,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:05 BoogieIcfgContainer [2022-12-14 03:09:05,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:09:05,111 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:09:05,111 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:09:05,114 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:09:05,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:09:03" (1/3) ... [2022-12-14 03:09:05,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43133512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:05, skipping insertion in model container [2022-12-14 03:09:05,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:04" (2/3) ... [2022-12-14 03:09:05,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43133512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:05, skipping insertion in model container [2022-12-14 03:09:05,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:05" (3/3) ... [2022-12-14 03:09:05,117 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:05,133 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:09:05,133 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 03:09:05,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:09:05,173 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;@38fa2943, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:09:05,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 03:09:05,177 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) [2022-12-14 03:09:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 03:09:05,183 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:05,184 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:05,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 03:09:05,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:05,189 INFO L85 PathProgramCache]: Analyzing trace with hash 184305098, now seen corresponding path program 1 times [2022-12-14 03:09:05,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:09:05,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123103953] [2022-12-14 03:09:05,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:05,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:09:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:09:05,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:09:05,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123103953] [2022-12-14 03:09:05,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123103953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:05,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:05,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 03:09:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102023360] [2022-12-14 03:09:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:05,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 03:09:05,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:09:05,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 03:09:05,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 03:09:05,642 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 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:05,697 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-12-14 03:09:05,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 03:09:05,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-12-14 03:09:05,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:05,703 INFO L225 Difference]: With dead ends: 20 [2022-12-14 03:09:05,703 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 03:09:05,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 03:09:05,708 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:05,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 11 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:09:05,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 03:09:05,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 03:09:05,730 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) [2022-12-14 03:09:05,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 03:09:05,732 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 03:09:05,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:05,732 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 03:09:05,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 03:09:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 03:09:05,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:05,733 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:05,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:09:05,733 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 03:09:05,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1418490804, now seen corresponding path program 1 times [2022-12-14 03:09:05,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:09:05,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408564753] [2022-12-14 03:09:05,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:09:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:09:05,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:09:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:09:05,797 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 03:09:05,797 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:09:05,799 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 03:09:05,800 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 03:09:05,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:09:05,803 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 03:09:05,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:09:05,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:09:05 BoogieIcfgContainer [2022-12-14 03:09:05,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:09:05,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:09:05,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:09:05,821 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:09:05,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:05" (3/4) ... [2022-12-14 03:09:05,824 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 03:09:05,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:09:05,825 INFO L158 Benchmark]: Toolchain (without parser) took 1993.94ms. Allocated memory is still 186.6MB. Free memory was 154.7MB in the beginning and 109.2MB in the end (delta: 45.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2022-12-14 03:09:05,825 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:09:05,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.18ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 92.1MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-12-14 03:09:05,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.82ms. Allocated memory is still 186.6MB. Free memory was 92.1MB in the beginning and 88.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 03:09:05,826 INFO L158 Benchmark]: Boogie Preprocessor took 22.18ms. Allocated memory is still 186.6MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 03:09:05,826 INFO L158 Benchmark]: RCFGBuilder took 377.09ms. Allocated memory is still 186.6MB. Free memory was 86.7MB in the beginning and 65.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 03:09:05,826 INFO L158 Benchmark]: TraceAbstraction took 709.48ms. Allocated memory is still 186.6MB. Free memory was 64.8MB in the beginning and 110.2MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:09:05,827 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 186.6MB. Free memory was 110.2MB in the beginning and 109.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:09:05,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 76.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.18ms. Allocated memory is still 186.6MB. Free memory was 154.6MB in the beginning and 92.1MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.82ms. Allocated memory is still 186.6MB. Free memory was 92.1MB in the beginning and 88.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.18ms. Allocated memory is still 186.6MB. Free memory was 88.7MB in the beginning and 86.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.09ms. Allocated memory is still 186.6MB. Free memory was 86.7MB in the beginning and 65.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 709.48ms. Allocated memory is still 186.6MB. Free memory was 64.8MB in the beginning and 110.2MB in the end (delta: -45.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 186.6MB. Free memory was 110.2MB in the beginning and 109.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1554, overapproximation of bitwiseAnd at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] RET printLine("Calling bad()...") VAL [\old(argc)=2147483649, argc=2147483649, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_13_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data++ VAL [data=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, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483652] - UnprovableResult [Line: 1559]: 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 03:09:05,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c4b14d2890f465adf5106af73f8410228ccfabd8edb77825cf5afe4e7887ed4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 03:09:07,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:09:07,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:09:07,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:09:07,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:09:07,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:09:07,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:09:07,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:09:07,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:09:07,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:09:07,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:09:07,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:09:07,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:09:07,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:09:07,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:09:07,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:09:07,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:09:07,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:09:07,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:09:07,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:09:07,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:09:07,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:09:07,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:09:07,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:09:07,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:09:07,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:09:07,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:09:07,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:09:07,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:09:07,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:09:07,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:09:07,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:09:07,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:09:07,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:09:07,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:09:07,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:09:07,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:09:07,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:09:07,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:09:07,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:09:07,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:09:07,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 03:09:07,466 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:09:07,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:09:07,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:09:07,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:09:07,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:09:07,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:09:07,468 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:09:07,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:09:07,468 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:09:07,468 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:09:07,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:09:07,468 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:09:07,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 03:09:07,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:09:07,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 03:09:07,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:09:07,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:09:07,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:09:07,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:09:07,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:09:07,476 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 03:09:07,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 03:09:07,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:09:07,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:09:07,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 03:09:07,477 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_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4b14d2890f465adf5106af73f8410228ccfabd8edb77825cf5afe4e7887ed4 [2022-12-14 03:09:07,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:09:07,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:09:07,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:09:07,696 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:09:07,696 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:09:07,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:10,329 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:09:10,544 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:09:10,544 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:10,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/292099580/31e916d9f2e645c59d1717c08f40cf54/FLAGf86912b6b [2022-12-14 03:09:10,569 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/data/292099580/31e916d9f2e645c59d1717c08f40cf54 [2022-12-14 03:09:10,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:09:10,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:09:10,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:09:10,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:09:10,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:09:10,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:10" (1/1) ... [2022-12-14 03:09:10,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4413be57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:10, skipping insertion in model container [2022-12-14 03:09:10,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:10" (1/1) ... [2022-12-14 03:09:10,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:09:10,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:09:10,848 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 03:09:11,147 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 03:09:11,152 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:11,153 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:11,154 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:11,155 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:11,171 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 03:09:11,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:09:11,182 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:09:11,195 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 03:09:11,230 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 03:09:11,231 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:11,232 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 03:09:11,233 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:11,234 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 03:09:11,237 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 03:09:11,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:09:11,337 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:09:11,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11 WrapperNode [2022-12-14 03:09:11,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:09:11,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:09:11,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:09:11,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:09:11,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,377 INFO L138 Inliner]: procedures = 504, calls = 54, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2022-12-14 03:09:11,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:09:11,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:09:11,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:09:11,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:09:11,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:09:11,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:09:11,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:09:11,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:09:11,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (1/1) ... [2022-12-14 03:09:11,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:09:11,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:09:11,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:09:11,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:09:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 03:09:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 03:09:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 03:09:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:09:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:09:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:09:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 03:09:11,560 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:09:11,564 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:09:11,680 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:09:11,686 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:09:11,686 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:09:11,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:11 BoogieIcfgContainer [2022-12-14 03:09:11,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:09:11,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:09:11,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:09:11,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:09:11,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:09:10" (1/3) ... [2022-12-14 03:09:11,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271b1023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:11, skipping insertion in model container [2022-12-14 03:09:11,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:11" (2/3) ... [2022-12-14 03:09:11,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271b1023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:11, skipping insertion in model container [2022-12-14 03:09:11,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:11" (3/3) ... [2022-12-14 03:09:11,698 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_13_bad.i [2022-12-14 03:09:11,717 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:09:11,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 03:09:11,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:09:11,762 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;@4a46e24e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:09:11,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 03:09:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 03:09:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 03:09:11,772 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:11,772 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:11,773 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 03:09:11,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2022-12-14 03:09:11,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:09:11,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718274564] [2022-12-14 03:09:11,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:11,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:11,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:09:11,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:09:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 03:09:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:11,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 03:09:11,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:09:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:09:11,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:09:11,900 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:09:11,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718274564] [2022-12-14 03:09:11,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718274564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:11,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:11,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 03:09:11,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367611524] [2022-12-14 03:09:11,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:11,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 03:09:11,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:09:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 03:09:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 03:09:11,935 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:11,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:11,959 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2022-12-14 03:09:11,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 03:09:11,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2022-12-14 03:09:11,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:11,972 INFO L225 Difference]: With dead ends: 23 [2022-12-14 03:09:11,972 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 03:09:11,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 03:09:11,978 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:11,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:09:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 03:09:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 03:09:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-12-14 03:09:12,003 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-12-14 03:09:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:12,003 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-12-14 03:09:12,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-12-14 03:09:12,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 03:09:12,003 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:12,004 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:12,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 03:09:12,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:12,205 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 03:09:12,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:12,207 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2022-12-14 03:09:12,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:09:12,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83182595] [2022-12-14 03:09:12,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:12,210 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:12,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:09:12,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:09:12,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 03:09:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:09:12,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:09:12,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:09:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:09:12,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:09:12,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:09:12,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83182595] [2022-12-14 03:09:12,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83182595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:09:12,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:09:12,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:09:12,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746648426] [2022-12-14 03:09:12,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:09:12,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:09:12,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:09:12,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:09:12,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:09:12,407 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:12,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:09:12,417 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-12-14 03:09:12,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:09:12,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2022-12-14 03:09:12,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:09:12,418 INFO L225 Difference]: With dead ends: 19 [2022-12-14 03:09:12,418 INFO L226 Difference]: Without dead ends: 15 [2022-12-14 03:09:12,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:09:12,420 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:09:12,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:09:12,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-14 03:09:12,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-14 03:09:12,423 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) [2022-12-14 03:09:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-14 03:09:12,424 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2022-12-14 03:09:12,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:09:12,424 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-14 03:09:12,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:09:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-14 03:09:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 03:09:12,425 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:09:12,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:09:12,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 03:09:12,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:12,627 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 03:09:12,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:09:12,630 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2022-12-14 03:09:12,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:09:12,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47023108] [2022-12-14 03:09:12,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:09:12,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:12,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:09:12,650 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:09:12,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 03:09:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:09:12,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:09:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:09:12,835 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 03:09:12,835 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:09:12,836 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 03:09:12,837 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 03:09:12,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 03:09:13,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:09:13,049 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-14 03:09:13,062 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:09:13,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:09:13 BoogieIcfgContainer [2022-12-14 03:09:13,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:09:13,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:09:13,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:09:13,103 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:09:13,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:11" (3/4) ... [2022-12-14 03:09:13,105 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 03:09:13,139 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 03:09:13,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:09:13,140 INFO L158 Benchmark]: Toolchain (without parser) took 2567.52ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.4MB in the beginning and 34.8MB in the end (delta: 11.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,140 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:09:13,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.16ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.2MB in the beginning and 47.4MB in the end (delta: -1.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.75ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 44.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,141 INFO L158 Benchmark]: Boogie Preprocessor took 20.30ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,142 INFO L158 Benchmark]: RCFGBuilder took 291.11ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 50.8MB in the end (delta: -8.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,142 INFO L158 Benchmark]: TraceAbstraction took 1410.86ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 37.4MB in the end (delta: 12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,142 INFO L158 Benchmark]: Witness Printer took 35.90ms. Allocated memory is still 86.0MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 03:09:13,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.16ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 46.2MB in the beginning and 47.4MB in the end (delta: -1.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.75ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 44.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.30ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 42.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.11ms. Allocated memory is still 86.0MB. Free memory was 42.1MB in the beginning and 50.8MB in the end (delta: -8.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1410.86ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 37.4MB in the end (delta: 12.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 35.90ms. Allocated memory is still 86.0MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. 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: 1559]: 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] [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_13_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=32767, rand()=1, rand()=65535, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE GLOBAL_CONST_FIVE==5 [L1559] data++ VAL [data=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] - UnprovableResult [Line: 1559]: 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: 1.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 43 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 87 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 03:09:13,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0626927-c346-48cb-89e9-5422c14b1f58/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)