./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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_9a99e228-546c-4625-974e-7e2f31495f5b/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 c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be --- 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 [2022-11-26 01:01:15,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:01:15,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:01:15,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:01:15,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:01:15,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:01:15,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:01:15,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:01:15,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:01:15,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:01:15,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:01:15,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:01:15,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:01:15,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:01:15,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:01:15,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:01:15,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:01:15,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:01:15,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:01:15,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:01:15,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:01:15,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:01:15,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:01:15,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:01:15,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:01:15,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:01:15,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:01:15,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:01:15,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:01:15,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:01:15,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:01:15,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:01:15,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:01:15,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:01:15,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:01:15,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:01:15,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:01:15,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:01:15,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:01:15,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:01:15,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:01:15,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:01:15,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:01:15,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:01:15,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:01:15,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:01:15,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:01:15,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:01:15,372 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:01:15,372 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:01:15,372 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:01:15,373 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:01:15,373 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:01:15,373 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:01:15,373 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:01:15,374 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:01:15,374 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:01:15,374 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:01:15,375 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:01:15,375 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:01:15,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:01:15,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:01:15,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:01:15,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:01:15,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:01:15,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:01:15,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:01:15,378 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:01:15,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:01:15,378 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:01:15,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:01:15,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:01:15,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:01:15,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:15,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:01:15,380 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:01:15,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:01:15,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:01:15,381 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:01:15,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:01:15,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:01:15,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:01:15,382 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_9a99e228-546c-4625-974e-7e2f31495f5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be [2022-11-26 01:01:15,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:01:15,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:01:15,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:01:15,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:01:15,719 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:01:15,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:18,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:01:19,303 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:01:19,304 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:19,337 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/bdab5c212/7ad1614873b84f7990b1ea6beabcc27d/FLAGccc5f5218 [2022-11-26 01:01:19,353 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/bdab5c212/7ad1614873b84f7990b1ea6beabcc27d [2022-11-26 01:01:19,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:01:19,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:01:19,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:19,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:01:19,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:01:19,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:19" (1/1) ... [2022-11-26 01:01:19,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123ff850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:19, skipping insertion in model container [2022-11-26 01:01:19,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:19" (1/1) ... [2022-11-26 01:01:19,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:01:19,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:01:19,808 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:01:20,387 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:01:20,398 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:20,401 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:20,404 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:20,405 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:20,445 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:01:20,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:20,459 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:01:20,480 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:01:20,537 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:01:20,544 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:20,545 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:20,547 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:20,548 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:20,553 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:01:20,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:20,709 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:01:20,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20 WrapperNode [2022-11-26 01:01:20,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:20,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:20,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:01:20,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:01:20,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,804 INFO L138 Inliner]: procedures = 500, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-26 01:01:20,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:20,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:01:20,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:01:20,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:01:20,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,850 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:01:20,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:01:20,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:01:20,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:01:20,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (1/1) ... [2022-11-26 01:01:20,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:20,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:20,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:01:20,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:01:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:01:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:01:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:01:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 01:01:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:01:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:01:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:01:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:01:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:01:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 01:01:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 01:01:21,148 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:01:21,150 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:01:21,337 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:01:21,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:01:21,526 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:01:21,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:21 BoogieIcfgContainer [2022-11-26 01:01:21,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:01:21,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:01:21,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:01:21,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:01:21,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:01:19" (1/3) ... [2022-11-26 01:01:21,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b846ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:21, skipping insertion in model container [2022-11-26 01:01:21,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:20" (2/3) ... [2022-11-26 01:01:21,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b846ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:21, skipping insertion in model container [2022-11-26 01:01:21,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:21" (3/3) ... [2022-11-26 01:01:21,550 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:21,573 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:01:21,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:01:21,693 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:01:21,701 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;@25583ad5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:01:21,701 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:01:21,706 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) [2022-11-26 01:01:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 01:01:21,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:21,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:21,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:01:21,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:21,728 INFO L85 PathProgramCache]: Analyzing trace with hash 814614022, now seen corresponding path program 1 times [2022-11-26 01:01:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:21,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419634566] [2022-11-26 01:01:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:21,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:22,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 01:01:22,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419634566] [2022-11-26 01:01:22,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419634566] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:22,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:22,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:01:22,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439411353] [2022-11-26 01:01:22,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:22,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:01:22,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 01:01:22,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:01:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:01:22,230 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) [2022-11-26 01:01:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:22,302 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-26 01:01:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:01:22,309 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 [2022-11-26 01:01:22,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:22,316 INFO L225 Difference]: With dead ends: 18 [2022-11-26 01:01:22,316 INFO L226 Difference]: Without dead ends: 9 [2022-11-26 01:01:22,319 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 [2022-11-26 01:01:22,322 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 [2022-11-26 01:01:22,324 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] [2022-11-26 01:01:22,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-26 01:01:22,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-26 01:01:22,363 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) [2022-11-26 01:01:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2022-11-26 01:01:22,366 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2022-11-26 01:01:22,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:22,367 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2022-11-26 01:01:22,367 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) [2022-11-26 01:01:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-11-26 01:01:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-26 01:01:22,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:22,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:22,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 01:01:22,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:01:22,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:22,371 INFO L85 PathProgramCache]: Analyzing trace with hash -516769038, now seen corresponding path program 1 times [2022-11-26 01:01:22,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 01:01:22,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210092572] [2022-11-26 01:01:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 01:01:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:01:22,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:01:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:01:22,538 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 01:01:22,539 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:01:22,541 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:01:22,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:01:22,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 01:01:22,547 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:01:22,551 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:01:22,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:01:22 BoogieIcfgContainer [2022-11-26 01:01:22,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:01:22,579 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:01:22,579 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:01:22,579 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:01:22,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:21" (3/4) ... [2022-11-26 01:01:22,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 01:01:22,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:01:22,585 INFO L158 Benchmark]: Toolchain (without parser) took 3226.72ms. Allocated memory is still 188.7MB. Free memory was 155.0MB in the beginning and 116.3MB in the end (delta: 38.7MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-26 01:01:22,585 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 188.7MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:22,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.78ms. Allocated memory is still 188.7MB. Free memory was 155.0MB in the beginning and 91.7MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-26 01:01:22,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.95ms. Allocated memory is still 188.7MB. Free memory was 91.7MB in the beginning and 88.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:01:22,587 INFO L158 Benchmark]: Boogie Preprocessor took 42.17ms. Allocated memory is still 188.7MB. Free memory was 88.3MB in the beginning and 87.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:22,587 INFO L158 Benchmark]: RCFGBuilder took 673.14ms. Allocated memory is still 188.7MB. Free memory was 87.0MB in the beginning and 66.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 01:01:22,588 INFO L158 Benchmark]: TraceAbstraction took 1046.80ms. Allocated memory is still 188.7MB. Free memory was 66.0MB in the beginning and 117.3MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:22,588 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 188.7MB. Free memory was 117.3MB in the beginning and 116.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:22,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 188.7MB. Free memory is still 162.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.78ms. Allocated memory is still 188.7MB. Free memory was 155.0MB in the beginning and 91.7MB in the end (delta: 63.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.95ms. Allocated memory is still 188.7MB. Free memory was 91.7MB in the beginning and 88.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.17ms. Allocated memory is still 188.7MB. Free memory was 88.3MB in the beginning and 87.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 673.14ms. Allocated memory is still 188.7MB. Free memory was 87.0MB in the beginning and 66.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1046.80ms. Allocated memory is still 188.7MB. Free memory was 66.0MB in the beginning and 117.3MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 188.7MB. Free memory was 117.3MB in the beginning and 116.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseXor at line 1553, overapproximation of bitwiseAnd at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [\old(argc)=2147483648, argc=2147483648, argv={2147483651:2147483650}, argv={2147483651:2147483650}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data > 0 VAL [data=2147483647, dataPtr={5:0}, dataPtr={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] [L1569] data * 2 VAL [data=2147483647, dataPtr={5:0}, dataPtr={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: 1569]: 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, 0.2s 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 [2022-11-26 01:01:22,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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_9a99e228-546c-4625-974e-7e2f31495f5b/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 c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be --- 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 [2022-11-26 01:01:25,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:01:25,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:01:25,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:01:25,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:01:25,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:01:25,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:01:25,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:01:25,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:01:25,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:01:25,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:01:25,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:01:25,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:01:25,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:01:25,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:01:25,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:01:25,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:01:25,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:01:25,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:01:25,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:01:25,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:01:25,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:01:25,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:01:25,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:01:25,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:01:25,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:01:25,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:01:25,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:01:25,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:01:25,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:01:25,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:01:25,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:01:25,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:01:25,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:01:25,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:01:25,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:01:25,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:01:25,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:01:25,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:01:25,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:01:25,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:01:25,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:01:25,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:01:25,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:01:25,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:01:25,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:01:25,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:01:25,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:01:25,287 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:01:25,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:01:25,288 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:01:25,288 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:01:25,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:01:25,288 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:01:25,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:01:25,290 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:01:25,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:01:25,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:01:25,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:01:25,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:01:25,291 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:01:25,291 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:01:25,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:01:25,291 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:01:25,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:01:25,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:01:25,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:01:25,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:01:25,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:01:25,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:01:25,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:25,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:01:25,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:01:25,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:01:25,294 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:01:25,294 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:01:25,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:01:25,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:01:25,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:01:25,295 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_9a99e228-546c-4625-974e-7e2f31495f5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1e7d662e14dab076edf8cd456e2947c48701e7d463679b82c7deff23d50c6be [2022-11-26 01:01:25,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:01:25,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:01:25,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:01:25,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:01:25,717 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:01:25,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:28,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:01:29,248 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:01:29,248 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:29,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/750190136/5ca217a3fcf94e81a9675d499514c6db/FLAGf5e1b3368 [2022-11-26 01:01:29,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/data/750190136/5ca217a3fcf94e81a9675d499514c6db [2022-11-26 01:01:29,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:01:29,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:01:29,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:29,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:01:29,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:01:29,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:29" (1/1) ... [2022-11-26 01:01:29,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5e9cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:29, skipping insertion in model container [2022-11-26 01:01:29,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:01:29" (1/1) ... [2022-11-26 01:01:29,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:01:29,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:01:29,910 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:01:30,707 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:01:30,713 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:30,715 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:30,718 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:30,719 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:30,744 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:01:30,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:30,763 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 01:01:30,782 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 01:01:30,823 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 01:01:30,825 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:30,826 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 01:01:30,828 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:30,829 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 01:01:30,833 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 01:01:30,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 01:01:31,013 INFO L208 MainTranslator]: Completed translation [2022-11-26 01:01:31,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31 WrapperNode [2022-11-26 01:01:31,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:01:31,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:31,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 01:01:31,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 01:01:31,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,084 INFO L138 Inliner]: procedures = 505, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2022-11-26 01:01:31,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 01:01:31,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 01:01:31,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 01:01:31,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 01:01:31,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 01:01:31,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 01:01:31,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 01:01:31,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 01:01:31,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (1/1) ... [2022-11-26 01:01:31,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:01:31,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 01:01:31,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 01:01:31,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 01:01:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 01:01:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 01:01:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 01:01:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 01:01:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 01:01:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 01:01:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 01:01:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 01:01:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 01:01:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 01:01:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 01:01:31,511 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 01:01:31,513 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 01:01:31,665 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 01:01:31,671 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 01:01:31,672 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 01:01:31,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:31 BoogieIcfgContainer [2022-11-26 01:01:31,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 01:01:31,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 01:01:31,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 01:01:31,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 01:01:31,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 01:01:29" (1/3) ... [2022-11-26 01:01:31,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faeb036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:31, skipping insertion in model container [2022-11-26 01:01:31,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:01:31" (2/3) ... [2022-11-26 01:01:31,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7faeb036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 01:01:31, skipping insertion in model container [2022-11-26 01:01:31,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:31" (3/3) ... [2022-11-26 01:01:31,683 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_63_bad.i [2022-11-26 01:01:31,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 01:01:31,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-26 01:01:31,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 01:01:31,760 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;@509b9ae2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 01:01:31,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-26 01:01:31,765 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) [2022-11-26 01:01:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 01:01:31,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:31,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:31,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:01:31,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:31,788 INFO L85 PathProgramCache]: Analyzing trace with hash 420466469, now seen corresponding path program 1 times [2022-11-26 01:01:31,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:31,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51702011] [2022-11-26 01:01:31,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:31,804 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 [2022-11-26 01:01:31,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:31,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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) [2022-11-26 01:01:31,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 01:01:31,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 01:01:31,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 01:01:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 01:01:32,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 01:01:32,028 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 01:01:32,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51702011] [2022-11-26 01:01:32,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51702011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 01:01:32,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 01:01:32,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 01:01:32,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532413872] [2022-11-26 01:01:32,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 01:01:32,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 01:01:32,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 01:01:32,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 01:01:32,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 01:01:32,083 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) [2022-11-26 01:01:32,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 01:01:32,124 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-26 01:01:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 01:01:32,127 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 [2022-11-26 01:01:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 01:01:32,135 INFO L225 Difference]: With dead ends: 30 [2022-11-26 01:01:32,135 INFO L226 Difference]: Without dead ends: 14 [2022-11-26 01:01:32,138 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 [2022-11-26 01:01:32,144 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 9 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 01:01:32,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 48 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 01:01:32,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-26 01:01:32,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-26 01:01:32,179 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) [2022-11-26 01:01:32,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-26 01:01:32,181 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2022-11-26 01:01:32,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 01:01:32,182 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-26 01:01:32,182 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) [2022-11-26 01:01:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-26 01:01:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 01:01:32,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 01:01:32,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 01:01:32,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:32,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:32,398 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-26 01:01:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 01:01:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 149558707, now seen corresponding path program 1 times [2022-11-26 01:01:32,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 01:01:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370161829] [2022-11-26 01:01:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 01:01:32,400 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 [2022-11-26 01:01:32,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 01:01:32,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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) [2022-11-26 01:01:32,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:01:32,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 01:01:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 01:01:32,644 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 01:01:32,644 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 01:01:32,646 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-26 01:01:32,649 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-26 01:01:32,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:32,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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 [2022-11-26 01:01:32,864 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-26 01:01:32,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 01:01:32,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 01:01:32 BoogieIcfgContainer [2022-11-26 01:01:32,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 01:01:32,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 01:01:32,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 01:01:32,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 01:01:32,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 01:01:31" (3/4) ... [2022-11-26 01:01:32,904 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-26 01:01:32,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 01:01:32,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 01:01:32,967 INFO L158 Benchmark]: Toolchain (without parser) took 3656.59ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 51.1MB in the beginning and 48.0MB in the end (delta: 3.1MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,967 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:01:32,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.38ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 47.6MB in the end (delta: 3.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.53ms. Allocated memory is still 96.5MB. Free memory was 47.6MB in the beginning and 44.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,969 INFO L158 Benchmark]: Boogie Preprocessor took 34.13ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,969 INFO L158 Benchmark]: RCFGBuilder took 553.64ms. Allocated memory is still 96.5MB. Free memory was 42.2MB in the beginning and 57.0MB in the end (delta: -14.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,970 INFO L158 Benchmark]: TraceAbstraction took 1223.58ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 50.7MB in the end (delta: 5.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,972 INFO L158 Benchmark]: Witness Printer took 65.50ms. Allocated memory is still 96.5MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 01:01:32,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.38ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 47.6MB in the end (delta: 3.3MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.53ms. Allocated memory is still 96.5MB. Free memory was 47.6MB in the beginning and 44.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.13ms. Allocated memory is still 96.5MB. Free memory was 44.3MB in the beginning and 42.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.64ms. Allocated memory is still 96.5MB. Free memory was 42.2MB in the beginning and 57.0MB in the end (delta: -14.8MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1223.58ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 50.7MB in the end (delta: 5.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 65.50ms. Allocated memory is still 96.5MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1569]: 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] [L1559] 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) [L1559] 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] [L1560] CALL CWE190_Integer_Overflow__int_rand_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [data={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()=1073741822, rand()=0, rand()=0, rand()=2, rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1=1073741825] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_multiply_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1567] COND TRUE data > 0 VAL [data=1073741825, dataPtr={5:0}, dataPtr={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] [L1569] data * 2 VAL [data=1073741825, dataPtr={5:0}, dataPtr={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: 1569]: 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, 48 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 5 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, 81 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! [2022-11-26 01:01:33,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a99e228-546c-4625-974e-7e2f31495f5b/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)