./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:23:17,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:23:17,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:23:17,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:23:17,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:23:17,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:23:17,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:23:17,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:23:17,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:23:17,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:23:17,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:23:17,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:23:17,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:23:17,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:23:17,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:23:17,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:23:17,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:23:17,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:23:17,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:23:17,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:23:17,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:23:17,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:23:17,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:23:17,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:23:17,816 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:23:17,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:23:17,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:23:17,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:23:17,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:23:17,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:23:17,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:23:17,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:23:17,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:23:17,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:23:17,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:23:17,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:23:17,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:23:17,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:23:17,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:23:17,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:23:17,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:23:17,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:23:17,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:23:17,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:23:17,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:23:17,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:23:17,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:23:17,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:23:17,889 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:23:17,889 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:23:17,889 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:23:17,889 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:23:17,890 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:23:17,890 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:23:17,890 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:23:17,890 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:23:17,891 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:23:17,891 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:23:17,891 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:23:17,891 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:23:17,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:23:17,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:23:17,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:23:17,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:23:17,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:23:17,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:23:17,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:23:17,893 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:23:17,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:23:17,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:23:17,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:23:17,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:23:17,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:23:17,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:17,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:23:17,895 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:23:17,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:23:17,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:23:17,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:23:17,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:23:17,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:23:17,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:23:17,897 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_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb [2022-11-25 23:23:18,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:23:18,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:23:18,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:23:18,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:23:18,246 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:23:18,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:21,290 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:23:21,707 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:23:21,707 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:21,730 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/253064df0/bc7bee6419c44c2d83858e37d24ad091/FLAG5465f3348 [2022-11-25 23:23:21,745 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/253064df0/bc7bee6419c44c2d83858e37d24ad091 [2022-11-25 23:23:21,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:23:21,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:23:21,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:21,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:23:21,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:23:21,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:21" (1/1) ... [2022-11-25 23:23:21,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7289fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:21, skipping insertion in model container [2022-11-25 23:23:21,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:21" (1/1) ... [2022-11-25 23:23:21,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:23:21,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:23:22,362 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:23:22,945 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:23:22,951 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:22,954 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:22,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:22,976 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:23,618 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:23:23,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:23,632 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:23:23,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:23:23,737 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:23:23,741 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:23,742 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:23,745 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:23,746 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:23,760 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:23:23,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:24,004 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:23:24,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24 WrapperNode [2022-11-25 23:23:24,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:24,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:24,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:23:24,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:23:24,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,078 INFO L138 Inliner]: procedures = 938, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-11-25 23:23:24,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:24,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:23:24,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:23:24,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:23:24,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:23:24,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:23:24,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:23:24,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:23:24,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (1/1) ... [2022-11-25 23:23:24,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:24,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:24,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:23:24,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:23:24,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:23:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:23:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:23:24,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:23:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:23:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:23:24,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:23:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:23:24,209 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:23:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:23:24,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:23:24,386 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:23:24,388 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:23:24,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:23:24,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:23:24,861 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:23:24,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:24 BoogieIcfgContainer [2022-11-25 23:23:24,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:23:24,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:23:24,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:23:24,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:23:24,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:23:21" (1/3) ... [2022-11-25 23:23:24,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25719618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:24, skipping insertion in model container [2022-11-25 23:23:24,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:24" (2/3) ... [2022-11-25 23:23:24,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25719618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:24, skipping insertion in model container [2022-11-25 23:23:24,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:24" (3/3) ... [2022-11-25 23:23:24,879 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:24,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:23:24,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:23:24,964 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:23:24,971 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;@548e3ae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:23:24,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:23:24,977 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) [2022-11-25 23:23:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 23:23:24,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:24,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 23:23:24,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:23:24,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash 2123687601, now seen corresponding path program 1 times [2022-11-25 23:23:25,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:25,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224366069] [2022-11-25 23:23:25,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:25,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:23:25,352 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:23:25,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224366069] [2022-11-25 23:23:25,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224366069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:25,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:25,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-25 23:23:25,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808310849] [2022-11-25 23:23:25,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:25,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:23:25,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:23:25,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:23:25,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:23:25,417 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 8 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:23:25,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:25,482 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 23:23:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:23:25,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 6 [2022-11-25 23:23:25,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:25,492 INFO L225 Difference]: With dead ends: 12 [2022-11-25 23:23:25,492 INFO L226 Difference]: Without dead ends: 8 [2022-11-25 23:23:25,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:23:25,502 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:25,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:23:25,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2022-11-25 23:23:25,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2022-11-25 23:23:25,537 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) [2022-11-25 23:23:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 7 transitions. [2022-11-25 23:23:25,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 7 transitions. Word has length 6 [2022-11-25 23:23:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:25,540 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 7 transitions. [2022-11-25 23:23:25,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:23:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2022-11-25 23:23:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 23:23:25,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:25,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:25,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:23:25,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:23:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:25,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1409806244, now seen corresponding path program 1 times [2022-11-25 23:23:25,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:23:25,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873522932] [2022-11-25 23:23:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:23:25,611 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-25 23:23:25,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420973072] [2022-11-25 23:23:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:25,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:25,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:25,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 23:23:25,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 23:23:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:23:25,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:23:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:23:25,844 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:23:25,845 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:23:25,846 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 23:23:25,848 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 23:23:25,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 23:23:26,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 23:23:26,064 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 23:23:26,067 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:23:26,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:23:26 BoogieIcfgContainer [2022-11-25 23:23:26,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:23:26,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:23:26,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:23:26,094 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:23:26,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:24" (3/4) ... [2022-11-25 23:23:26,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:23:26,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:23:26,099 INFO L158 Benchmark]: Toolchain (without parser) took 4349.08ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 118.5MB in the beginning and 84.8MB in the end (delta: 33.7MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-11-25 23:23:26,099 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 100.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:23:26,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2254.00ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 84.8MB in the end (delta: 33.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-11-25 23:23:26,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.21ms. Allocated memory is still 151.0MB. Free memory was 84.8MB in the beginning and 80.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:23:26,101 INFO L158 Benchmark]: Boogie Preprocessor took 41.93ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 982.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:23:26,102 INFO L158 Benchmark]: RCFGBuilder took 742.23ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 79.5MB in the beginning and 127.8MB in the end (delta: -48.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:23:26,102 INFO L158 Benchmark]: TraceAbstraction took 1224.22ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 85.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-25 23:23:26,103 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 182.5MB. Free memory was 85.2MB in the beginning and 84.8MB in the end (delta: 414.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:23:26,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 100.6MB in the beginning and 100.4MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2254.00ms. Allocated memory is still 151.0MB. Free memory was 118.5MB in the beginning and 84.8MB in the end (delta: 33.7MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.21ms. Allocated memory is still 151.0MB. Free memory was 84.8MB in the beginning and 80.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.93ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 982.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 742.23ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 79.5MB in the beginning and 127.8MB in the end (delta: -48.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1224.22ms. Allocated memory is still 182.5MB. Free memory was 126.7MB in the beginning and 85.2MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 182.5MB. Free memory was 85.2MB in the beginning and 84.8MB in the end (delta: 414.2kB). 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: 1852]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1837, overapproximation of bitwiseAnd at line 1837. 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); [L1843] 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) [L1843] RET printLine("Calling bad()...") VAL [\old(argc)=13, argc=13, argv={14:12}, argv={14:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] CALL CWE190_Integer_Overflow__int_rand_square_63_bad() [L1835] int data; [L1836] data = 0 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1837] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1838] CALL CWE190_Integer_Overflow__int_rand_square_63b_badSink(&data) [L1850] EXPR \read(*dataPtr) [L1850] int data = *dataPtr; [L1852] data * data VAL [data=-2147483648, dataPtr={4:0}, dataPtr={4:0}, 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: 1852]: 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: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:23:26,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:23:28,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:23:28,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:23:28,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:23:28,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:23:28,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:23:28,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:23:28,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:23:28,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:23:28,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:23:28,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:23:28,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:23:28,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:23:28,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:23:28,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:23:28,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:23:28,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:23:28,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:23:28,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:23:28,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:23:28,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:23:28,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:23:28,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:23:28,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:23:28,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:23:28,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:23:28,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:23:28,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:23:28,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:23:28,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:23:28,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:23:28,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:23:28,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:23:28,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:23:28,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:23:28,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:23:28,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:23:28,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:23:28,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:23:28,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:23:28,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:23:28,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:23:28,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:23:28,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:23:28,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:23:28,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:23:28,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:23:28,930 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:23:28,930 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:23:28,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:23:28,931 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:23:28,931 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:23:28,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:23:28,932 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:23:28,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:23:28,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:23:28,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:23:28,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:23:28,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:23:28,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:23:28,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:23:28,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:23:28,935 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:23:28,935 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:23:28,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:23:28,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:23:28,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:23:28,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:23:28,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:23:28,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:23:28,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:28,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:23:28,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:23:28,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:23:28,938 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:23:28,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:23:28,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:23:28,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:23:28,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:23:28,939 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_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2161968d8a5aa40b7b876bc2bc504a1fb97c119aa776045344a9c9ddbdbbcfb [2022-11-25 23:23:29,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:23:29,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:23:29,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:23:29,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:23:29,388 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:23:29,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:32,417 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:23:32,906 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:23:32,906 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:32,958 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/628c58391/8258a5bf325e4b0d9c3008fb1d82bf33/FLAG3cacc041d [2022-11-25 23:23:32,978 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/data/628c58391/8258a5bf325e4b0d9c3008fb1d82bf33 [2022-11-25 23:23:32,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:23:32,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:23:32,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:32,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:23:33,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:23:33,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:32" (1/1) ... [2022-11-25 23:23:33,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106162c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:33, skipping insertion in model container [2022-11-25 23:23:33,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:23:32" (1/1) ... [2022-11-25 23:23:33,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:23:33,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:23:33,587 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:23:34,332 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:23:34,339 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:34,341 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:34,344 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:34,345 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:34,924 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:23:34,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:34,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:23:35,000 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:23:35,108 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:23:35,111 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:35,113 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:23:35,118 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:35,119 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:23:35,144 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:23:35,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:23:35,389 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:23:35,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35 WrapperNode [2022-11-25 23:23:35,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:23:35,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:35,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:23:35,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:23:35,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,486 INFO L138 Inliner]: procedures = 943, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2022-11-25 23:23:35,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:23:35,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:23:35,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:23:35,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:23:35,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:23:35,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:23:35,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:23:35,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:23:35,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (1/1) ... [2022-11-25 23:23:35,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:23:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:23:35,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:23:35,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:23:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:23:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:23:35,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:23:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:23:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:23:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:23:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:23:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:23:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:23:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:23:35,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:23:35,895 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:23:35,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:23:38,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:23:38,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:23:38,576 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:23:38,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:38 BoogieIcfgContainer [2022-11-25 23:23:38,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:23:38,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:23:38,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:23:38,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:23:38,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:23:32" (1/3) ... [2022-11-25 23:23:38,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626d70d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:38, skipping insertion in model container [2022-11-25 23:23:38,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:23:35" (2/3) ... [2022-11-25 23:23:38,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626d70d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:23:38, skipping insertion in model container [2022-11-25 23:23:38,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:23:38" (3/3) ... [2022-11-25 23:23:38,587 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_63_bad.i [2022-11-25 23:23:38,605 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:23:38,605 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 23:23:38,653 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:23:38,660 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;@557ed48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:23:38,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 23:23:38,668 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) [2022-11-25 23:23:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 23:23:38,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:23:38,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:23:38,682 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 23:23:38,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:38,688 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2022-11-25 23:23:38,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:23:38,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908723756] [2022-11-25 23:23:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:38,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:23:38,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:23:38,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f12ebc0-e6f5-4458-b169-54ff590bdd36/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process