./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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_79c34dc1-f548-4d8c-9930-01ad20b11734/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 83fe823509093ecc70f32a5075c580ea64fe56767015a0c5f4a6b7b4fbb0c51f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:56:47,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:56:47,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:56:47,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:56:47,680 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:56:47,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:56:47,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:56:47,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:56:47,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:56:47,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:56:47,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:56:47,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:56:47,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:56:47,689 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:56:47,690 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:56:47,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:56:47,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:56:47,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:56:47,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:56:47,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:56:47,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:56:47,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:56:47,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:56:47,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:56:47,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:56:47,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:56:47,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:56:47,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:56:47,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:56:47,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:56:47,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:56:47,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:56:47,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:56:47,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:56:47,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:56:47,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:56:47,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:56:47,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:56:47,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:56:47,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:56:47,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:56:47,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 05:56:47,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:56:47,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:56:47,722 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:56:47,722 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:56:47,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:56:47,722 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:56:47,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:56:47,723 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:56:47,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:56:47,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:56:47,724 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:56:47,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:56:47,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:56:47,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:56:47,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:47,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:56:47,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:56:47,727 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:56:47,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:56:47,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:56:47,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:56:47,727 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_79c34dc1-f548-4d8c-9930-01ad20b11734/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83fe823509093ecc70f32a5075c580ea64fe56767015a0c5f4a6b7b4fbb0c51f [2022-12-14 05:56:47,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:56:47,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:56:47,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:56:47,909 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:56:47,909 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:56:47,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:50,517 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:56:50,796 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:56:50,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:50,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/34432f1e1/c61753250e764615bebf3d9bca0f9b56/FLAG41f350aa1 [2022-12-14 05:56:50,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/34432f1e1/c61753250e764615bebf3d9bca0f9b56 [2022-12-14 05:56:50,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:56:50,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:56:50,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:50,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:56:50,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:56:50,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:50" (1/1) ... [2022-12-14 05:56:50,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2816d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:50, skipping insertion in model container [2022-12-14 05:56:50,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:50" (1/1) ... [2022-12-14 05:56:50,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:56:50,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:56:51,156 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:51,452 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:51,457 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:51,459 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:51,461 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:51,462 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:51,482 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:51,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:51,495 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:56:51,512 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:51,555 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:51,557 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:51,558 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:51,561 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:51,561 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:51,566 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:51,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:51,673 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:56:51,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51 WrapperNode [2022-12-14 05:56:51,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:51,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:51,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:56:51,675 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:56:51,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,713 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 05:56:51,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:51,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:56:51,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:56:51,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:56:51,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:56:51,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:56:51,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:56:51,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:56:51,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (1/1) ... [2022-12-14 05:56:51,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:51,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:56:51,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:56:51,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:56:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:56:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:56:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:56:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:56:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:56:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:56:51,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:56:51,888 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:56:51,890 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:56:52,011 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:56:52,079 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:56:52,079 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:56:52,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:52 BoogieIcfgContainer [2022-12-14 05:56:52,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:56:52,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:56:52,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:56:52,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:56:52,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:50" (1/3) ... [2022-12-14 05:56:52,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a1c551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:52, skipping insertion in model container [2022-12-14 05:56:52,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:51" (2/3) ... [2022-12-14 05:56:52,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a1c551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:52, skipping insertion in model container [2022-12-14 05:56:52,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:52" (3/3) ... [2022-12-14 05:56:52,090 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:52,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:56:52,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:56:52,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:56:52,155 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;@53b15f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:56:52,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:56:52,158 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 05:56:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 05:56:52,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:52,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:52,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:52,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:52,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350023, now seen corresponding path program 1 times [2022-12-14 05:56:52,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:52,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318986904] [2022-12-14 05:56:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:56:52,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:56:52,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318986904] [2022-12-14 05:56:52,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318986904] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:52,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:52,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:56:52,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862559257] [2022-12-14 05:56:52,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:52,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:56:52,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:56:52,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:56:52,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:56:52,566 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:56:52,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:52,607 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2022-12-14 05:56:52,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:56:52,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 05:56:52,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:52,614 INFO L225 Difference]: With dead ends: 14 [2022-12-14 05:56:52,614 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 05:56:52,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:56:52,618 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:56:52,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:56:52,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 05:56:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-14 05:56:52,641 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 05:56:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-12-14 05:56:52,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-12-14 05:56:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:52,642 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-12-14 05:56:52,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:56:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-12-14 05:56:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 05:56:52,643 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:52,643 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:52,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:56:52,643 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:52,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:52,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1140243217, now seen corresponding path program 1 times [2022-12-14 05:56:52,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:56:52,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487605331] [2022-12-14 05:56:52,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:52,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:56:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:52,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:56:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:52,713 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:56:52,714 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:56:52,715 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:56:52,716 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:56:52,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:56:52,719 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:56:52,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:56:52,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:56:52 BoogieIcfgContainer [2022-12-14 05:56:52,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:56:52,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:56:52,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:56:52,738 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:56:52,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:52" (3/4) ... [2022-12-14 05:56:52,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:56:52,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:56:52,742 INFO L158 Benchmark]: Toolchain (without parser) took 1912.76ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 68.3MB in the end (delta: 22.6MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,742 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 123.7MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:52,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.79ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 97.7MB in the end (delta: -6.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 94.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,743 INFO L158 Benchmark]: Boogie Preprocessor took 17.96ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,744 INFO L158 Benchmark]: RCFGBuilder took 349.83ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 73.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,744 INFO L158 Benchmark]: TraceAbstraction took 653.85ms. Allocated memory is still 153.1MB. Free memory was 73.3MB in the beginning and 68.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2022-12-14 05:56:52,744 INFO L158 Benchmark]: Witness Printer took 3.22ms. Allocated memory is still 153.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:52,746 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 123.7MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.79ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 90.9MB in the beginning and 97.7MB in the end (delta: -6.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 153.1MB. Free memory was 97.7MB in the beginning and 94.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.96ms. Allocated memory is still 153.1MB. Free memory was 94.3MB in the beginning and 92.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.83ms. Allocated memory is still 153.1MB. Free memory was 92.5MB in the beginning and 73.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 653.85ms. Allocated memory is still 153.1MB. Free memory was 73.3MB in the beginning and 68.3MB in the end (delta: 5.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 3.22ms. Allocated memory is still 153.1MB. Free memory is still 68.3MB. 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: 1572]: 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); [L1548] int CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483650:2147483649}, argv={2147483650:2147483649}, CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_postinc_22_bad() [L1552] int data; [L1553] data = 0 [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)) [L1555] CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_postinc_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal) [L1572] data++ VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=1, 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: 1572]: 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, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 05:56:52,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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_79c34dc1-f548-4d8c-9930-01ad20b11734/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 83fe823509093ecc70f32a5075c580ea64fe56767015a0c5f4a6b7b4fbb0c51f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 05:56:54,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:56:54,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:56:54,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:56:54,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:56:54,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:56:54,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:56:54,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:56:54,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:56:54,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:56:54,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:56:54,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:56:54,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:56:54,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:56:54,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:56:54,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:56:54,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:56:54,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:56:54,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:56:54,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:56:54,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:56:54,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:56:54,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:56:54,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:56:54,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:56:54,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:56:54,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:56:54,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:56:54,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:56:54,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:56:54,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:56:54,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:56:54,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:56:54,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:56:54,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:56:54,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:56:54,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:56:54,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:56:54,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:56:54,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:56:54,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:56:54,370 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 05:56:54,384 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:56:54,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:56:54,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:56:54,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:56:54,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:56:54,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:56:54,386 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:56:54,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:56:54,386 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:56:54,386 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:56:54,386 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:56:54,386 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:56:54,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:56:54,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:56:54,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:54,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:56:54,388 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:56:54,389 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:56:54,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:56:54,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:56:54,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:56:54,389 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_79c34dc1-f548-4d8c-9930-01ad20b11734/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83fe823509093ecc70f32a5075c580ea64fe56767015a0c5f4a6b7b4fbb0c51f [2022-12-14 05:56:54,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:56:54,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:56:54,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:56:54,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:56:54,608 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:56:54,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:57,291 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:56:57,557 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:56:57,558 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:57,575 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/57c06c9a2/81dc08a566d84b8c8bda229c83526ab9/FLAG0c4bbd92b [2022-12-14 05:56:57,587 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/data/57c06c9a2/81dc08a566d84b8c8bda229c83526ab9 [2022-12-14 05:56:57,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:56:57,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:56:57,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:57,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:56:57,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:56:57,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:57" (1/1) ... [2022-12-14 05:56:57,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@519314f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:57, skipping insertion in model container [2022-12-14 05:56:57,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:56:57" (1/1) ... [2022-12-14 05:56:57,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:56:57,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:56:57,895 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:58,193 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:58,198 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:58,199 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:58,201 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:58,202 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:58,223 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:58,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:58,240 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:56:58,265 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 05:56:58,313 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 05:56:58,315 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:58,316 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 05:56:58,318 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:58,319 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 05:56:58,324 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 05:56:58,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:56:58,404 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:56:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58 WrapperNode [2022-12-14 05:56:58,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:56:58,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:58,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:56:58,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:56:58,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,454 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-12-14 05:56:58,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:56:58,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:56:58,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:56:58,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:56:58,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:56:58,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:56:58,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:56:58,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:56:58,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (1/1) ... [2022-12-14 05:56:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:56:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:56:58,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:56:58,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:56:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 05:56:58,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 05:56:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:56:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:56:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:56:58,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:56:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 05:56:58,662 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:56:58,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:56:58,776 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:56:58,781 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:56:58,782 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:56:58,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:58 BoogieIcfgContainer [2022-12-14 05:56:58,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:56:58,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:56:58,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:56:58,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:56:58,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:56:57" (1/3) ... [2022-12-14 05:56:58,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e87d324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:58, skipping insertion in model container [2022-12-14 05:56:58,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:56:58" (2/3) ... [2022-12-14 05:56:58,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e87d324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:56:58, skipping insertion in model container [2022-12-14 05:56:58,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:58" (3/3) ... [2022-12-14 05:56:58,794 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_22_bad.i [2022-12-14 05:56:58,809 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:56:58,809 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 05:56:58,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:56:58,855 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;@5aa45246, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:56:58,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 05:56:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 05:56:58,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 05:56:58,867 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:58,867 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:58,868 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:58,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:58,873 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-12-14 05:56:58,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:56:58,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586178885] [2022-12-14 05:56:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:58,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:56:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:56:58,889 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:56:58,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:56:58,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 05:56:59,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:56:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:56:59,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:56:59,027 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:56:59,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586178885] [2022-12-14 05:56:59,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586178885] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:56:59,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:56:59,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 05:56:59,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129825552] [2022-12-14 05:56:59,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:56:59,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 05:56:59,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:56:59,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 05:56:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:56:59,057 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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 05:56:59,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:56:59,080 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2022-12-14 05:56:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 05:56:59,082 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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 05:56:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:56:59,092 INFO L225 Difference]: With dead ends: 23 [2022-12-14 05:56:59,092 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 05:56:59,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 05:56:59,097 INFO L413 NwaCegarLoop]: 25 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, 25 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 05:56:59,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 05:56:59,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 05:56:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 05:56:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 05:56:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 05:56:59,123 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 05:56:59,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:56:59,124 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 05:56:59,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 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 05:56:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 05:56:59,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 05:56:59,125 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:56:59,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:56:59,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:59,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:59,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 05:56:59,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:56:59,326 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-12-14 05:56:59,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:56:59,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367962418] [2022-12-14 05:56:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:56:59,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 05:56:59,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:56:59,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 05:56:59,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:59,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:56:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:56:59,438 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 05:56:59,438 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:56:59,440 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 05:56:59,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 05:56:59,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:59,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 05:56:59,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 05:56:59,663 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:56:59,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:56:59 BoogieIcfgContainer [2022-12-14 05:56:59,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:56:59,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:56:59,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:56:59,701 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:56:59,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:56:58" (3/4) ... [2022-12-14 05:56:59,702 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 05:56:59,730 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:56:59,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:56:59,730 INFO L158 Benchmark]: Toolchain (without parser) took 2140.15ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 61.7MB in the beginning and 56.1MB in the end (delta: 5.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,731 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:59,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.56ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 40.5MB in the end (delta: 20.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.25ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 37.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,731 INFO L158 Benchmark]: Boogie Preprocessor took 27.55ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 35.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:56:59,732 INFO L158 Benchmark]: RCFGBuilder took 301.03ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 62.8MB in the end (delta: -27.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,732 INFO L158 Benchmark]: TraceAbstraction took 912.86ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 58.6MB in the end (delta: 3.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,732 INFO L158 Benchmark]: Witness Printer took 29.52ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 56.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:56:59,734 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 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.56ms. Allocated memory is still 83.9MB. Free memory was 61.4MB in the beginning and 40.5MB in the end (delta: 20.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.25ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 37.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.55ms. Allocated memory is still 83.9MB. Free memory was 37.1MB in the beginning and 35.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.03ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 62.8MB in the end (delta: -27.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 912.86ms. Allocated memory is still 100.7MB. Free memory was 62.2MB in the beginning and 58.6MB in the end (delta: 3.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. * Witness Printer took 29.52ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 56.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_postinc_22_bad() [L1552] int data; [L1553] data = 0 [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 [CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=65536, rand()=0, rand()=0, 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)) [L1555] CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_postinc_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal) [L1572] data++ VAL [\old(data)=2147483647, CWE190_Integer_Overflow__int_rand_postinc_22_badGlobal=1, 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: 1572]: 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-14 05:56:59,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79c34dc1-f548-4d8c-9930-01ad20b11734/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)