./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 70978d1b86725438db1c6184b47390d1d5b22cb1fb5f0c925c68a29fb0095c30 --- 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 06:47:05,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:47:05,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:47:05,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:47:05,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:47:05,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:47:05,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:47:05,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:47:05,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:47:05,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:47:05,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:47:05,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:47:05,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:47:05,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:47:05,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:47:05,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:47:05,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:47:05,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:47:05,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:47:05,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:47:05,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:47:05,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:47:05,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:47:05,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:47:05,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:47:05,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:47:05,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:47:05,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:47:05,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:47:05,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:47:05,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:47:05,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:47:05,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:47:05,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:47:05,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:47:05,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:47:05,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:47:05,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:47:05,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:47:05,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:47:05,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:47:05,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:47:05,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:47:05,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:47:05,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:47:05,914 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:47:05,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:47:05,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:47:05,914 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:47:05,915 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:47:05,915 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:47:05,915 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:47:05,915 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:47:05,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:47:05,915 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:47:05,916 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:47:05,916 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:47:05,916 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:47:05,916 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:47:05,916 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:47:05,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:47:05,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:47:05,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:47:05,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:47:05,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:47:05,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:47:05,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:47:05,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:47:05,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:47:05,919 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:47:05,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:47:05,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:47:05,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:47:05,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:47:05,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:47:05,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:47:05,920 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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70978d1b86725438db1c6184b47390d1d5b22cb1fb5f0c925c68a29fb0095c30 [2022-12-14 06:47:06,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:47:06,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:47:06,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:47:06,129 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:47:06,130 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:47:06,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:08,714 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:47:08,973 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:47:08,973 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:08,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/88e349b6f/8de3d10d42ff4369bb84993de8f973f5/FLAG1955ba43c [2022-12-14 06:47:09,277 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/88e349b6f/8de3d10d42ff4369bb84993de8f973f5 [2022-12-14 06:47:09,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:47:09,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:47:09,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:47:09,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:47:09,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:47:09,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:47:09" (1/1) ... [2022-12-14 06:47:09,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382710cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:09, skipping insertion in model container [2022-12-14 06:47:09,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:47:09" (1/1) ... [2022-12-14 06:47:09,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:47:09,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:47:09,541 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:47:09,841 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:47:09,845 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:09,846 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:09,848 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:09,849 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:09,869 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:47:09,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:47:09,879 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:47:09,893 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:47:09,921 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:47:09,923 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:09,923 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:09,925 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:09,925 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:09,928 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:47:09,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:47:10,069 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:47:10,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10 WrapperNode [2022-12-14 06:47:10,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:47:10,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:47:10,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:47:10,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:47:10,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,121 INFO L138 Inliner]: procedures = 500, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2022-12-14 06:47:10,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:47:10,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:47:10,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:47:10,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:47:10,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,143 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:47:10,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:47:10,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:47:10,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:47:10,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (1/1) ... [2022-12-14 06:47:10,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:47:10,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:47:10,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:47:10,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:47:10,212 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:47:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:47:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:47:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:47:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:47:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:47:10,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:47:10,334 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:47:10,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:47:10,465 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:47:10,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:47:10,536 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:47:10,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:10 BoogieIcfgContainer [2022-12-14 06:47:10,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:47:10,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:47:10,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:47:10,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:47:10,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:47:09" (1/3) ... [2022-12-14 06:47:10,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27904718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:10, skipping insertion in model container [2022-12-14 06:47:10,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:10" (2/3) ... [2022-12-14 06:47:10,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27904718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:10, skipping insertion in model container [2022-12-14 06:47:10,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:10" (3/3) ... [2022-12-14 06:47:10,548 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:10,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:47:10,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:47:10,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:47:10,620 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;@17e08ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:47:10,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:47:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:47:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 06:47:10,631 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:47:10,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 06:47:10,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:47:10,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:47:10,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687603, now seen corresponding path program 1 times [2022-12-14 06:47:10,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:47:10,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560165811] [2022-12-14 06:47:10,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:47:10,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:47:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:47:10,909 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 06:47:10,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:47:10,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560165811] [2022-12-14 06:47:10,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560165811] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:47:10,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:47:10,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 06:47:10,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185613543] [2022-12-14 06:47:10,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:47:10,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 06:47:10,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:47:10,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 06:47:10,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:47:10,940 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:47:10,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:47:10,975 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-14 06:47:10,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 06:47:10,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-12-14 06:47:10,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:47:10,984 INFO L225 Difference]: With dead ends: 12 [2022-12-14 06:47:10,984 INFO L226 Difference]: Without dead ends: 8 [2022-12-14 06:47:10,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 06:47:10,990 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:47:10,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:47:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-12-14 06:47:11,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-12-14 06:47:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:47:11,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-12-14 06:47:11,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-12-14 06:47:11,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:47:11,023 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-12-14 06:47:11,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 06:47:11,023 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-12-14 06:47:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 06:47:11,023 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:47:11,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:47:11,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:47:11,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:47:11,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:47:11,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806308, now seen corresponding path program 1 times [2022-12-14 06:47:11,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:47:11,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732688900] [2022-12-14 06:47:11,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:47:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:47:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:47:11,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:47:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:47:11,152 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:47:11,152 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:47:11,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 06:47:11,156 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 06:47:11,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 06:47:11,160 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 06:47:11,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:47:11,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:47:11 BoogieIcfgContainer [2022-12-14 06:47:11,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:47:11,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:47:11,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:47:11,188 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:47:11,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:10" (3/4) ... [2022-12-14 06:47:11,191 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:47:11,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:47:11,192 INFO L158 Benchmark]: Toolchain (without parser) took 1911.48ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 94.0MB in the beginning and 136.0MB in the end (delta: -42.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-12-14 06:47:11,192 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 132.1MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:47:11,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.25ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 94.0MB in the beginning and 140.8MB in the end (delta: -46.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-12-14 06:47:11,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.25ms. Allocated memory is still 199.2MB. Free memory was 140.8MB in the beginning and 136.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 06:47:11,194 INFO L158 Benchmark]: Boogie Preprocessor took 25.07ms. Allocated memory is still 199.2MB. Free memory was 136.8MB in the beginning and 135.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:47:11,194 INFO L158 Benchmark]: RCFGBuilder took 391.62ms. Allocated memory is still 199.2MB. Free memory was 135.7MB in the beginning and 116.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 06:47:11,195 INFO L158 Benchmark]: TraceAbstraction took 645.08ms. Allocated memory is still 199.2MB. Free memory was 115.9MB in the beginning and 137.1MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:47:11,195 INFO L158 Benchmark]: Witness Printer took 4.09ms. Allocated memory is still 199.2MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:47:11,198 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 132.1MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.25ms. Allocated memory was 132.1MB in the beginning and 199.2MB in the end (delta: 67.1MB). Free memory was 94.0MB in the beginning and 140.8MB in the end (delta: -46.7MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.25ms. Allocated memory is still 199.2MB. Free memory was 140.8MB in the beginning and 136.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.07ms. Allocated memory is still 199.2MB. Free memory was 136.8MB in the beginning and 135.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.62ms. Allocated memory is still 199.2MB. Free memory was 135.7MB in the beginning and 116.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 645.08ms. Allocated memory is still 199.2MB. Free memory was 115.9MB in the beginning and 137.1MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.09ms. Allocated memory is still 199.2MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1570, overapproximation of bitwiseAnd at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=3221225473, argc=3221225473, argv={3221225475:3221225474}, argv={3221225475:3221225474}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1555] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 06:47:11,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 70978d1b86725438db1c6184b47390d1d5b22cb1fb5f0c925c68a29fb0095c30 --- 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 06:47:12,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:47:12,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:47:12,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:47:12,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:47:12,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:47:12,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:47:12,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:47:12,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:47:12,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:47:12,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:47:12,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:47:12,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:47:12,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:47:12,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:47:12,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:47:12,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:47:12,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:47:12,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:47:12,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:47:12,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:47:12,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:47:12,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:47:12,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:47:12,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:47:12,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:47:12,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:47:12,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:47:12,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:47:12,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:47:12,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:47:12,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:47:12,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:47:12,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:47:12,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:47:12,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:47:12,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:47:12,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:47:12,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:47:12,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:47:12,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:47:12,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 06:47:12,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:47:12,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:47:12,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:47:12,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:47:12,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:47:12,975 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:47:12,975 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:47:12,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:47:12,975 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:47:12,976 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:47:12,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:47:12,976 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:47:12,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:47:12,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:47:12,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:47:12,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:47:12,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:47:12,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:47:12,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:47:12,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:47:12,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:47:12,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:47:12,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:47:12,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:47:12,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:47:12,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:47:12,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:47:12,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:47:12,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:47:12,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:47:12,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:47:12,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:47:12,986 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_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70978d1b86725438db1c6184b47390d1d5b22cb1fb5f0c925c68a29fb0095c30 [2022-12-14 06:47:13,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:47:13,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:47:13,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:47:13,243 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:47:13,243 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:47:13,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:15,908 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:47:16,134 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:47:16,134 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:16,148 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/4c6e0c473/208485eb0fab448eb4b97ca9d4803e58/FLAG2995d62fd [2022-12-14 06:47:16,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/data/4c6e0c473/208485eb0fab448eb4b97ca9d4803e58 [2022-12-14 06:47:16,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:47:16,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:47:16,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:47:16,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:47:16,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:47:16,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:47:16" (1/1) ... [2022-12-14 06:47:16,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5a6487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:16, skipping insertion in model container [2022-12-14 06:47:16,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:47:16" (1/1) ... [2022-12-14 06:47:16,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:47:16,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:47:16,525 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:47:16,828 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:47:16,832 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:16,834 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:16,836 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:16,837 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:16,856 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:47:16,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:47:16,872 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:47:16,889 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 06:47:16,940 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 06:47:16,941 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:16,943 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 06:47:16,944 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:16,945 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 06:47:16,948 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 06:47:16,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:47:17,034 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:47:17,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17 WrapperNode [2022-12-14 06:47:17,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:47:17,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:47:17,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:47:17,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:47:17,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,080 INFO L138 Inliner]: procedures = 505, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2022-12-14 06:47:17,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:47:17,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:47:17,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:47:17,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:47:17,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,101 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:47:17,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:47:17,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:47:17,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:47:17,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (1/1) ... [2022-12-14 06:47:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:47:17,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:47:17,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:47:17,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:47:17,158 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 06:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 06:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 06:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:47:17,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:47:17,159 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 06:47:17,270 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:47:17,271 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:47:17,372 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:47:17,378 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:47:17,378 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 06:47:17,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:17 BoogieIcfgContainer [2022-12-14 06:47:17,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:47:17,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:47:17,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:47:17,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:47:17,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:47:16" (1/3) ... [2022-12-14 06:47:17,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f22b64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:17, skipping insertion in model container [2022-12-14 06:47:17,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:47:17" (2/3) ... [2022-12-14 06:47:17,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f22b64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:47:17, skipping insertion in model container [2022-12-14 06:47:17,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:17" (3/3) ... [2022-12-14 06:47:17,388 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_61_bad.i [2022-12-14 06:47:17,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:47:17,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-14 06:47:17,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:47:17,451 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;@730f8b32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:47:17,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-14 06:47:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-14 06:47:17,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 06:47:17,459 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:47:17,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:47:17,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:47:17,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:47:17,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2022-12-14 06:47:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:47:17,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950110147] [2022-12-14 06:47:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:47:17,474 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 06:47:17,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:47:17,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:47:17,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 06:47:17,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:47:17,579 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 06:47:17,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:47:17,579 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:47:17,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950110147] [2022-12-14 06:47:17,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950110147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:47:17,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:47:17,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 06:47:17,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880257986] [2022-12-14 06:47:17,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:47:17,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 06:47:17,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:47:17,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 06:47:17,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 06:47:17,606 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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 06:47:17,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:47:17,618 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-12-14 06:47:17,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 06:47:17,619 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 06:47:17,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:47:17,624 INFO L225 Difference]: With dead ends: 22 [2022-12-14 06:47:17,624 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 06:47:17,625 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 06:47:17,628 INFO L413 NwaCegarLoop]: 23 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, 23 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 06:47:17,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 06:47:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 06:47:17,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-12-14 06:47:17,649 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 06:47:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-12-14 06:47:17,650 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-12-14 06:47:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:47:17,651 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-12-14 06:47:17,651 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 06:47:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-12-14 06:47:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 06:47:17,651 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:47:17,651 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:47:17,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-12-14 06:47:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:47:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash 401828808, now seen corresponding path program 1 times [2022-12-14 06:47:17,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:47:17,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071668238] [2022-12-14 06:47:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:47:17,859 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 06:47:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:47:17,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:47:17,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:47:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:47:18,019 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 06:47:18,019 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:47:18,021 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-12-14 06:47:18,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-12-14 06:47:18,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:18,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/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 06:47:18,234 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 06:47:18,246 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:47:18,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:47:18 BoogieIcfgContainer [2022-12-14 06:47:18,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:47:18,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:47:18,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:47:18,295 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:47:18,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:47:17" (3/4) ... [2022-12-14 06:47:18,297 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 06:47:18,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 06:47:18,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:47:18,327 INFO L158 Benchmark]: Toolchain (without parser) took 2161.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.0MB in the beginning and 33.2MB in the end (delta: 8.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,327 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.2MB in the beginning and 31.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:47:18,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.6MB in the beginning and 38.8MB in the end (delta: 2.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 81.8MB. Free memory was 38.8MB in the beginning and 35.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,328 INFO L158 Benchmark]: Boogie Preprocessor took 22.89ms. Allocated memory is still 81.8MB. Free memory was 35.6MB in the beginning and 33.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,328 INFO L158 Benchmark]: RCFGBuilder took 276.10ms. Allocated memory is still 81.8MB. Free memory was 33.5MB in the beginning and 42.8MB in the end (delta: -9.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,329 INFO L158 Benchmark]: TraceAbstraction took 911.63ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 35.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,329 INFO L158 Benchmark]: Witness Printer took 31.50ms. Allocated memory is still 81.8MB. Free memory was 35.7MB in the beginning and 33.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 06:47:18,331 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 was 31.2MB in the beginning and 31.1MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.59ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.6MB in the beginning and 38.8MB in the end (delta: 2.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 81.8MB. Free memory was 38.8MB in the beginning and 35.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.89ms. Allocated memory is still 81.8MB. Free memory was 35.6MB in the beginning and 33.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.10ms. Allocated memory is still 81.8MB. Free memory was 33.5MB in the beginning and 42.8MB in the end (delta: -9.3MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * TraceAbstraction took 911.63ms. Allocated memory is still 81.8MB. Free memory was 42.3MB in the beginning and 35.7MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 31.50ms. Allocated memory is still 81.8MB. Free memory was 35.7MB in the beginning and 33.2MB 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: 1555]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [\old(argc)=12, argc=12, argv={13:12}, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [\old(data)=0, data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, rand()=0, rand()=0, rand()=65536, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; VAL [\old(data)=0, \result=2147483647, data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] RET, EXPR CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_rand_preinc_61b_badSource(data) [L1555] ++data VAL [data=2147483647, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 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, 23 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=22occurred 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, 55 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 06:47:18,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f51defb-b7fb-4de1-a01e-32aa2f3db360/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)