./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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_e33f26aa-79e1-4007-8353-b10b95934958/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 e8f731b6fa9a4c6ca51d24fe3e992f309a5c97acf2e90a8542161b99f93263ae --- 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 22:23:52,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:23:52,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:23:52,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:23:52,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:23:52,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:23:52,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:23:52,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:23:52,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:23:52,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:23:52,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:23:52,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:23:52,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:23:52,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:23:52,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:23:52,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:23:52,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:23:52,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:23:52,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:23:52,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:23:52,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:23:52,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:23:52,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:23:52,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:23:52,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:23:52,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:23:52,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:23:52,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:23:52,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:23:52,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:23:52,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:23:52,142 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:23:52,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:23:52,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:23:52,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:23:52,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:23:52,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:23:52,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:23:52,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:23:52,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:23:52,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:23:52,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 22:23:52,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:23:52,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:23:52,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:23:52,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:23:52,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:23:52,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:23:52,200 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:23:52,200 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:23:52,200 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:23:52,201 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:23:52,202 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:23:52,202 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:23:52,202 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:23:52,202 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:23:52,203 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:23:52,203 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:23:52,203 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:23:52,203 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:23:52,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:23:52,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:23:52,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:23:52,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:23:52,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:23:52,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:23:52,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:23:52,206 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:23:52,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:23:52,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:23:52,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:23:52,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:23:52,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:23:52,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:52,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:23:52,209 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:23:52,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:23:52,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:23:52,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:23:52,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:23:52,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:23:52,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:23:52,210 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_e33f26aa-79e1-4007-8353-b10b95934958/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8f731b6fa9a4c6ca51d24fe3e992f309a5c97acf2e90a8542161b99f93263ae [2022-11-25 22:23:52,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:23:52,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:23:52,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:23:52,585 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:23:52,585 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:23:52,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:23:55,644 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:23:56,066 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:23:56,066 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:23:56,106 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/def6f14d8/a8f983d3e9c84587980a31fb1c0170bc/FLAGc2a6c5fa1 [2022-11-25 22:23:56,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/def6f14d8/a8f983d3e9c84587980a31fb1c0170bc [2022-11-25 22:23:56,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:23:56,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:23:56,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:56,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:23:56,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:23:56,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:56" (1/1) ... [2022-11-25 22:23:56,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d49f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:56, skipping insertion in model container [2022-11-25 22:23:56,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:23:56" (1/1) ... [2022-11-25 22:23:56,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:23:56,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:23:56,603 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:23:57,141 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:23:57,150 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:23:57,153 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:23:57,155 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:23:57,156 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:23:57,203 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:23:57,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:57,214 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:23:57,235 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:23:57,280 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:23:57,281 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:23:57,283 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:23:57,285 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:23:57,286 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:23:57,292 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:23:57,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:23:57,427 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:23:57,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57 WrapperNode [2022-11-25 22:23:57,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:23:57,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:57,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:23:57,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:23:57,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,490 INFO L138 Inliner]: procedures = 499, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-25 22:23:57,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:23:57,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:23:57,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:23:57,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:23:57,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:23:57,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:23:57,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:23:57,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:23:57,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (1/1) ... [2022-11-25 22:23:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:23:57,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:23:57,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:23:57,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:23:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:23:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:23:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:23:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:23:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:23:57,738 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:23:57,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:23:57,927 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:23:58,065 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:23:58,066 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:23:58,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:58 BoogieIcfgContainer [2022-11-25 22:23:58,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:23:58,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:23:58,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:23:58,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:23:58,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:23:56" (1/3) ... [2022-11-25 22:23:58,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:58, skipping insertion in model container [2022-11-25 22:23:58,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:23:57" (2/3) ... [2022-11-25 22:23:58,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:23:58, skipping insertion in model container [2022-11-25 22:23:58,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:58" (3/3) ... [2022-11-25 22:23:58,094 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:23:58,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:23:58,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:23:58,168 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:23:58,174 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;@50240974, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:23:58,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:23:58,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:23:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-25 22:23:58,186 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:58,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:58,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:23:58,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:58,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1699350023, now seen corresponding path program 1 times [2022-11-25 22:23:58,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:58,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680638656] [2022-11-25 22:23:58,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:58,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:23:58,570 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 22:23:58,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:23:58,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680638656] [2022-11-25 22:23:58,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680638656] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:23:58,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:23:58,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:23:58,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145952928] [2022-11-25 22:23:58,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:23:58,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:23:58,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:23:58,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:23:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:58,641 INFO L87 Difference]: Start difference. First operand has 14 states, 8 states have (on average 1.375) internal successors, (11), 10 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:58,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:23:58,708 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 22:23:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:23:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2022-11-25 22:23:58,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:23:58,718 INFO L225 Difference]: With dead ends: 18 [2022-11-25 22:23:58,718 INFO L226 Difference]: Without dead ends: 9 [2022-11-25 22:23:58,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:23:58,725 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:23:58,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 13 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:23:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-25 22:23:58,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-25 22:23:58,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-25 22:23:58,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-25 22:23:58,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:23:58,783 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-25 22:23:58,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:23:58,784 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-25 22:23:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 22:23:58,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:23:58,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:23:58,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:23:58,786 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:23:58,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:23:58,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1140243217, now seen corresponding path program 1 times [2022-11-25 22:23:58,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:23:58,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077002323] [2022-11-25 22:23:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:23:58,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:23:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:23:58,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:23:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:23:59,040 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:23:59,041 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:23:59,044 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:23:59,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:23:59,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:23:59,051 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:23:59,056 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:23:59,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:23:59 BoogieIcfgContainer [2022-11-25 22:23:59,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:23:59,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:23:59,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:23:59,115 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:23:59,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:23:58" (3/4) ... [2022-11-25 22:23:59,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:23:59,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:23:59,121 INFO L158 Benchmark]: Toolchain (without parser) took 2986.49ms. Allocated memory is still 157.3MB. Free memory was 108.1MB in the beginning and 107.4MB in the end (delta: 718.9kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2022-11-25 22:23:59,126 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:59,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1290.45ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 120.5MB in the end (delta: -12.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2022-11-25 22:23:59,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.35ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 117.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:23:59,131 INFO L158 Benchmark]: Boogie Preprocessor took 30.39ms. Allocated memory is still 157.3MB. Free memory was 117.7MB in the beginning and 116.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:59,134 INFO L158 Benchmark]: RCFGBuilder took 546.48ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 95.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-25 22:23:59,135 INFO L158 Benchmark]: TraceAbstraction took 1042.36ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 107.4MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:59,135 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 157.3MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:23:59,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1290.45ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 120.5MB in the end (delta: -12.9MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.35ms. Allocated memory is still 157.3MB. Free memory was 120.5MB in the beginning and 117.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.39ms. Allocated memory is still 157.3MB. Free memory was 117.7MB in the beginning and 116.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.48ms. Allocated memory is still 157.3MB. Free memory was 116.2MB in the beginning and 95.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1042.36ms. Allocated memory is still 157.3MB. Free memory was 94.6MB in the beginning and 107.4MB in the end (delta: -12.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 157.3MB. Free memory is still 107.4MB. 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1556, overapproximation of bitwiseAnd at line 1556. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [\old(argc)=2147483650, argc=2147483650, argv={2147483653:2147483651}, argv={2147483653:2147483651}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data > 0 VAL [data=2147483647, data={5:0}, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [data=2147483647, data={5:0}, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 22:23:59,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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_e33f26aa-79e1-4007-8353-b10b95934958/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 e8f731b6fa9a4c6ca51d24fe3e992f309a5c97acf2e90a8542161b99f93263ae --- 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 22:24:01,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:24:01,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:24:01,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:24:01,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:24:01,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:24:01,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:24:01,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:24:01,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:24:01,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:24:01,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:24:01,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:24:01,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:24:01,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:24:01,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:24:01,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:24:01,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:24:01,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:24:01,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:24:01,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:24:01,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:24:01,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:24:01,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:24:01,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:24:01,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:24:01,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:24:01,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:24:01,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:24:01,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:24:01,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:24:01,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:24:01,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:24:01,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:24:01,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:24:01,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:24:01,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:24:01,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:24:01,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:24:01,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:24:01,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:24:01,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:24:01,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 22:24:01,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:24:01,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:24:01,863 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:24:01,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:24:01,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:24:01,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:24:01,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:24:01,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:24:01,865 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:24:01,866 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:24:01,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:24:01,867 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:24:01,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:24:01,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 22:24:01,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:24:01,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:24:01,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:24:01,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:24:01,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:24:01,869 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:24:01,869 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 22:24:01,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:24:01,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:24:01,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:24:01,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:24:01,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:24:01,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:24:01,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:24:01,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:24:01,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:24:01,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:24:01,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:24:01,872 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:24:01,872 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:24:01,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:24:01,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:24:01,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:24:01,873 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_e33f26aa-79e1-4007-8353-b10b95934958/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8f731b6fa9a4c6ca51d24fe3e992f309a5c97acf2e90a8542161b99f93263ae [2022-11-25 22:24:02,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:24:02,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:24:02,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:24:02,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:24:02,290 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:24:02,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:24:05,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:24:05,698 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:24:05,703 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:24:05,734 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/c420bbd37/099f020611c24faa9418aea9151ab91e/FLAG486ad8d58 [2022-11-25 22:24:05,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/data/c420bbd37/099f020611c24faa9418aea9151ab91e [2022-11-25 22:24:05,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:24:05,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:24:05,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:24:05,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:24:05,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:24:05,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:05" (1/1) ... [2022-11-25 22:24:05,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c9a872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:05, skipping insertion in model container [2022-11-25 22:24:05,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:24:05" (1/1) ... [2022-11-25 22:24:05,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:24:05,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:24:06,347 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:24:07,066 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:24:07,072 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:24:07,074 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:24:07,082 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:24:07,084 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:24:07,114 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:24:07,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:24:07,136 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:24:07,155 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 22:24:07,198 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 22:24:07,200 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:24:07,201 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 22:24:07,202 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:24:07,203 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 22:24:07,208 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 22:24:07,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:24:07,372 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:24:07,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07 WrapperNode [2022-11-25 22:24:07,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:24:07,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:24:07,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:24:07,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:24:07,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,474 INFO L138 Inliner]: procedures = 504, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2022-11-25 22:24:07,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:24:07,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:24:07,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:24:07,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:24:07,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:24:07,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:24:07,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:24:07,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:24:07,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (1/1) ... [2022-11-25 22:24:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:24:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:24:07,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:24:07,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:24:07,629 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 22:24:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 22:24:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:24:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:24:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:24:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:24:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:24:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:24:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:24:07,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:24:07,633 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 22:24:07,779 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:24:07,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:24:08,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:24:08,025 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:24:08,025 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 22:24:08,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:24:08 BoogieIcfgContainer [2022-11-25 22:24:08,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:24:08,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:24:08,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:24:08,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:24:08,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:24:05" (1/3) ... [2022-11-25 22:24:08,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565b4a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:24:08, skipping insertion in model container [2022-11-25 22:24:08,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:24:07" (2/3) ... [2022-11-25 22:24:08,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565b4a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:24:08, skipping insertion in model container [2022-11-25 22:24:08,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:24:08" (3/3) ... [2022-11-25 22:24:08,037 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_32_bad.i [2022-11-25 22:24:08,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:24:08,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-25 22:24:08,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:24:08,113 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;@2b788492, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:24:08,113 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-25 22:24:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:24:08,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:24:08,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:08,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:24:08,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:24:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:08,137 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-25 22:24:08,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:24:08,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849587152] [2022-11-25 22:24:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:08,157 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 22:24:08,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:24:08,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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 22:24:08,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 22:24:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:24:08,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:24:08,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:24:08,429 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 22:24:08,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:24:08,430 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:24:08,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849587152] [2022-11-25 22:24:08,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849587152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:24:08,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:24:08,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:24:08,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204027583] [2022-11-25 22:24:08,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:24:08,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:24:08,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:24:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:24:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:24:08,482 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:24:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:24:08,529 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-25 22:24:08,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:24:08,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 22:24:08,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:24:08,543 INFO L225 Difference]: With dead ends: 30 [2022-11-25 22:24:08,544 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 22:24:08,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:24:08,555 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:24:08,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 47 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:24:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 22:24:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 22:24:08,593 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) [2022-11-25 22:24:08,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 22:24:08,595 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-25 22:24:08,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:24:08,596 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 22:24:08,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:24:08,596 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 22:24:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 22:24:08,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:24:08,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:24:08,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:08,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:24:08,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-25 22:24:08,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:24:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-11-25 22:24:08,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:24:08,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749252529] [2022-11-25 22:24:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:24:08,816 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 22:24:08,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:24:08,817 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/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 22:24:08,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 22:24:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:24:08,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:24:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:24:09,028 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-25 22:24:09,029 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:24:09,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-25 22:24:09,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-25 22:24:09,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:24:09,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 22:24:09,237 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:24:09,242 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:24:09,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:24:09 BoogieIcfgContainer [2022-11-25 22:24:09,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:24:09,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:24:09,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:24:09,273 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:24:09,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:24:08" (3/4) ... [2022-11-25 22:24:09,276 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-25 22:24:09,335 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:24:09,335 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:24:09,336 INFO L158 Benchmark]: Toolchain (without parser) took 3580.69ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 43.2MB in the beginning and 75.6MB in the end (delta: -32.4MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,336 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:24:09,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1616.83ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.0MB in the beginning and 35.5MB in the end (delta: 7.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.21ms. Allocated memory is still 88.1MB. Free memory was 35.5MB in the beginning and 58.9MB in the end (delta: -23.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,338 INFO L158 Benchmark]: Boogie Preprocessor took 67.50ms. Allocated memory is still 88.1MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,339 INFO L158 Benchmark]: RCFGBuilder took 481.96ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 42.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,339 INFO L158 Benchmark]: TraceAbstraction took 1242.57ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 32.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,340 INFO L158 Benchmark]: Witness Printer took 62.46ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 75.6MB in the end (delta: -42.8MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-25 22:24:09,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1616.83ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.0MB in the beginning and 35.5MB in the end (delta: 7.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.21ms. Allocated memory is still 88.1MB. Free memory was 35.5MB in the beginning and 58.9MB in the end (delta: -23.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.50ms. Allocated memory is still 88.1MB. Free memory was 58.9MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.96ms. Allocated memory is still 88.1MB. Free memory was 56.8MB in the beginning and 42.6MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1242.57ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 32.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 62.46ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 32.8MB in the beginning and 75.6MB in the end (delta: -42.8MB). Peak memory consumption was 4.9MB. 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: 1563]: 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] [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_multiply_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data=0, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, 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()=2, rand()=0, rand()=0, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=2147483647] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1561] COND TRUE data > 0 VAL [data=2147483647, data=2147483647, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data * 2 VAL [data=2147483647, data={5:0}, data=2147483647, dataPtr1={5:0}, dataPtr2={5:0}, 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: 1563]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-25 22:24:09,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e33f26aa-79e1-4007-8353-b10b95934958/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)