./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 fb5b637c0d9d4fb63fec7673e6e4f1b643ca7a864f8db5f2f632410cd15656ff --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:19:30,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:19:30,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:19:30,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:19:30,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:19:30,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:19:30,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:19:30,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:19:30,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:19:30,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:19:30,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:19:30,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:19:30,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:19:30,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:19:30,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:19:30,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:19:30,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:19:30,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:19:30,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:19:30,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:19:30,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:19:30,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:19:30,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:19:30,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:19:30,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:19:30,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:19:30,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:19:30,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:19:30,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:19:30,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:19:30,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:19:30,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:19:30,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:19:30,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:19:30,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:19:30,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:19:30,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:19:30,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:19:30,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:19:30,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:19:30,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:19:30,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:19:30,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:19:30,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:19:30,441 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:19:30,441 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:19:30,442 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:19:30,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:19:30,442 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:19:30,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:19:30,443 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:19:30,443 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:19:30,444 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:19:30,444 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:19:30,445 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:19:30,445 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:19:30,445 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:19:30,445 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:19:30,445 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:19:30,446 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:19:30,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:19:30,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:19:30,447 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:19:30,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:19:30,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:19:30,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:19:30,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:19:30,448 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:19:30,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:19:30,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:19:30,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:19:30,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:19:30,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:19:30,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:30,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:19:30,450 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:19:30,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:19:30,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:19:30,451 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:19:30,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:19:30,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:19:30,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:19:30,451 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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5b637c0d9d4fb63fec7673e6e4f1b643ca7a864f8db5f2f632410cd15656ff [2022-11-25 23:19:30,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:19:30,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:19:30,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:19:30,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:19:30,808 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:19:30,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i [2022-11-25 23:19:33,838 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:19:34,283 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:19:34,284 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i [2022-11-25 23:19:34,311 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/578660a83/ea5e91719b4c422da73e0ca84389db12/FLAGe49975414 [2022-11-25 23:19:34,330 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/578660a83/ea5e91719b4c422da73e0ca84389db12 [2022-11-25 23:19:34,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:19:34,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:19:34,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:34,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:19:34,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:19:34,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:34" (1/1) ... [2022-11-25 23:19:34,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d075665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:34, skipping insertion in model container [2022-11-25 23:19:34,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:34" (1/1) ... [2022-11-25 23:19:34,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:19:34,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:19:34,882 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:19:35,666 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:19:35,673 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:35,676 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:35,679 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:35,680 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:36,429 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:19:36,435 INFO L158 Benchmark]: Toolchain (without parser) took 2099.10ms. Allocated memory is still 180.4MB. Free memory was 144.5MB in the beginning and 120.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:19:36,435 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:19:36,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2095.03ms. Allocated memory is still 180.4MB. Free memory was 144.5MB in the beginning and 120.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:19:36,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2095.03ms. Allocated memory is still 180.4MB. Free memory was 144.5MB in the beginning and 120.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 fb5b637c0d9d4fb63fec7673e6e4f1b643ca7a864f8db5f2f632410cd15656ff --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:19:38,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:19:38,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:19:38,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:19:38,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:19:38,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:19:38,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:19:38,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:19:38,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:19:38,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:19:38,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:19:38,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:19:38,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:19:38,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:19:38,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:19:38,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:19:38,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:19:38,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:19:38,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:19:38,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:19:38,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:19:38,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:19:38,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:19:38,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:19:38,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:19:38,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:19:38,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:19:38,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:19:38,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:19:38,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:19:38,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:19:38,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:19:38,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:19:38,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:19:38,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:19:38,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:19:38,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:19:38,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:19:38,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:19:38,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:19:38,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:19:38,872 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:19:38,917 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:19:38,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:19:38,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:19:38,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:19:38,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:19:38,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:19:38,924 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:19:38,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:19:38,924 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:19:38,925 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:19:38,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:19:38,926 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:19:38,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:19:38,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:19:38,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:19:38,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:19:38,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:19:38,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:19:38,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:19:38,929 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:19:38,929 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:19:38,929 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:19:38,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:19:38,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:19:38,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:19:38,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:19:38,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:19:38,931 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:19:38,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:38,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:19:38,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:19:38,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:19:38,932 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:19:38,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:19:38,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:19:38,933 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:19:38,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:19:38,933 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_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb5b637c0d9d4fb63fec7673e6e4f1b643ca7a864f8db5f2f632410cd15656ff [2022-11-25 23:19:39,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:19:39,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:19:39,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:19:39,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:19:39,326 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:19:39,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i [2022-11-25 23:19:42,457 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:19:42,948 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:19:42,949 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_16_good.i [2022-11-25 23:19:42,989 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/dc85d600e/7a53321348484dd4b5c9d26ce6e4d5dc/FLAG139268cbf [2022-11-25 23:19:43,011 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/data/dc85d600e/7a53321348484dd4b5c9d26ce6e4d5dc [2022-11-25 23:19:43,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:19:43,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:19:43,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:43,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:19:43,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:19:43,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:43" (1/1) ... [2022-11-25 23:19:43,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f238c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:43, skipping insertion in model container [2022-11-25 23:19:43,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:19:43" (1/1) ... [2022-11-25 23:19:43,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:19:43,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:19:43,629 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:19:44,221 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:19:44,231 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:44,234 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:44,240 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:44,244 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:44,707 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:19:44,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:44,720 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:19:44,750 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:19:44,793 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:19:44,795 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:44,796 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:19:44,798 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:44,798 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:19:44,843 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:19:44,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:19:45,076 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:19:45,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45 WrapperNode [2022-11-25 23:19:45,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:19:45,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:45,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:19:45,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:19:45,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,146 INFO L138 Inliner]: procedures = 944, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2022-11-25 23:19:45,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:19:45,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:19:45,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:19:45,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:19:45,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:19:45,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:19:45,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:19:45,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:19:45,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (1/1) ... [2022-11-25 23:19:45,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:19:45,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:19:45,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:19:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:19:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:19:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:19:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:19:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:19:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:19:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:19:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:19:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:19:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:19:45,455 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:19:45,457 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:19:48,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:19:48,885 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:19:48,891 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-25 23:19:48,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:48 BoogieIcfgContainer [2022-11-25 23:19:48,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:19:48,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:19:48,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:19:48,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:19:48,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:19:43" (1/3) ... [2022-11-25 23:19:48,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e15eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:48, skipping insertion in model container [2022-11-25 23:19:48,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:19:45" (2/3) ... [2022-11-25 23:19:48,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56e15eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:19:48, skipping insertion in model container [2022-11-25 23:19:48,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:48" (3/3) ... [2022-11-25 23:19:48,908 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_16_good.i [2022-11-25 23:19:48,928 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:19:48,928 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-25 23:19:48,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:19:49,008 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;@6963710f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:19:49,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-25 23:19:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 35 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:19:49,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:19:49,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:49,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:49,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:19:49,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:49,041 INFO L85 PathProgramCache]: Analyzing trace with hash -436883118, now seen corresponding path program 1 times [2022-11-25 23:19:49,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:49,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1656620922] [2022-11-25 23:19:49,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:49,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:49,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:49,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:49,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:19:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 23:19:49,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:49,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:49,228 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:49,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1656620922] [2022-11-25 23:19:49,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1656620922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:49,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:49,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:19:49,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31836906] [2022-11-25 23:19:49,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:49,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 23:19:49,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:49,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 23:19:49,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:19:49,269 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 35 states have internal predecessors, (44), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:49,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:49,292 INFO L93 Difference]: Finished difference Result 73 states and 97 transitions. [2022-11-25 23:19:49,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 23:19:49,295 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 23:19:49,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:49,303 INFO L225 Difference]: With dead ends: 73 [2022-11-25 23:19:49,303 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 23:19:49,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 23:19:49,310 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:49,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 23:19:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-25 23:19:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 27 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:19:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-11-25 23:19:49,348 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 12 [2022-11-25 23:19:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:49,349 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-11-25 23:19:49,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-25 23:19:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:19:49,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:49,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:49,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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)] Ended with exit code 0 [2022-11-25 23:19:49,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:49,565 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:19:49,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:49,566 INFO L85 PathProgramCache]: Analyzing trace with hash 790183927, now seen corresponding path program 1 times [2022-11-25 23:19:49,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:49,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839114130] [2022-11-25 23:19:49,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:49,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:49,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:49,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:19:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:49,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:19:49,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:49,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:49,830 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:49,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839114130] [2022-11-25 23:19:49,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839114130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:49,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:49,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:49,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434434981] [2022-11-25 23:19:49,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:49,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:19:49,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:49,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:19:49,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:19:49,847 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:51,033 INFO L93 Difference]: Finished difference Result 33 states and 38 transitions. [2022-11-25 23:19:51,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:19:51,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2022-11-25 23:19:51,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:51,040 INFO L225 Difference]: With dead ends: 33 [2022-11-25 23:19:51,040 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 23:19:51,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:19:51,042 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 3 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:51,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 84 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:19:51,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 23:19:51,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-11-25 23:19:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:19:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-11-25 23:19:51,048 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 14 [2022-11-25 23:19:51,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:51,048 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-11-25 23:19:51,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-25 23:19:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:19:51,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:51,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:51,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:51,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:51,250 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:19:51,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:51,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1274097925, now seen corresponding path program 1 times [2022-11-25 23:19:51,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:51,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206865963] [2022-11-25 23:19:51,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:51,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:51,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:51,254 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:51,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (4)] Waiting until timeout for monitored process [2022-11-25 23:19:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:19:51,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:19:51,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:19:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:19:51,393 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:19:51,393 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:19:51,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206865963] [2022-11-25 23:19:51,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206865963] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:19:51,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:19:51,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:19:51,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406170098] [2022-11-25 23:19:51,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:19:51,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:19:51,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:19:51,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:19:51,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:51,397 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:51,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:19:51,420 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-11-25 23:19:51,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:19:51,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) Word has length 15 [2022-11-25 23:19:51,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:19:51,422 INFO L225 Difference]: With dead ends: 47 [2022-11-25 23:19:51,422 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 23:19:51,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:19:51,424 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:19:51,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:19:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 23:19:51,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-25 23:19:51,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 27 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:19:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-11-25 23:19:51,430 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 15 [2022-11-25 23:19:51,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:19:51,430 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-11-25 23:19:51,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:19:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-25 23:19:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:19:51,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:19:51,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:19:51,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:19:51,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:51,651 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:19:51,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:19:51,652 INFO L85 PathProgramCache]: Analyzing trace with hash -842454919, now seen corresponding path program 1 times [2022-11-25 23:19:51,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:19:51,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1238080046] [2022-11-25 23:19:51,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:19:51,652 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:19:51,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:19:51,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:19:51,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (5)] Waiting until timeout for monitored process [2022-11-25 23:21:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:21:21,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 23:21:21,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:21:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:21:23,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:21:23,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:21:23,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1238080046] [2022-11-25 23:21:23,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1238080046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:21:23,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:21:23,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:21:23,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823422039] [2022-11-25 23:21:23,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:21:23,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:21:23,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:21:23,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:21:23,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:21:23,935 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:21:27,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 23:21:27,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:21:27,439 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2022-11-25 23:21:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:21:27,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 16 [2022-11-25 23:21:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:21:27,441 INFO L225 Difference]: With dead ends: 39 [2022-11-25 23:21:27,441 INFO L226 Difference]: Without dead ends: 38 [2022-11-25 23:21:27,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:21:27,442 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 14 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:21:27,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 111 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 23:21:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-25 23:21:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2022-11-25 23:21:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 26 states have internal predecessors, (29), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:21:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-11-25 23:21:27,449 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 16 [2022-11-25 23:21:27,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:21:27,449 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-11-25 23:21:27,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:21:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-11-25 23:21:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:21:27,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:21:27,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:21:27,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (5)] Ended with exit code 0 [2022-11-25 23:21:27,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:21:27,677 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:21:27,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:21:27,678 INFO L85 PathProgramCache]: Analyzing trace with hash -346298627, now seen corresponding path program 1 times [2022-11-25 23:21:27,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:21:27,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789718631] [2022-11-25 23:21:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:21:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:21:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:21:27,680 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:21:27,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (6)] Waiting until timeout for monitored process [2022-11-25 23:22:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:22:56,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 23:22:56,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:22:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:22:58,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:22:58,539 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:22:58,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789718631] [2022-11-25 23:22:58,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789718631] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:22:58,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:22:58,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:22:58,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727741634] [2022-11-25 23:22:58,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:22:58,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:22:58,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:22:58,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:22:58,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:22:58,542 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:22:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:22:59,972 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2022-11-25 23:22:59,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:22:59,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 17 [2022-11-25 23:22:59,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:22:59,974 INFO L225 Difference]: With dead ends: 38 [2022-11-25 23:22:59,974 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 23:22:59,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:22:59,976 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 11 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:22:59,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 95 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 23:22:59,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 23:22:59,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2022-11-25 23:22:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 25 states have internal predecessors, (28), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 23:22:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-11-25 23:22:59,983 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 17 [2022-11-25 23:22:59,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:22:59,983 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-11-25 23:22:59,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:22:59,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-25 23:22:59,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:22:59,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:22:59,984 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:22:59,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:23:00,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:00,187 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-25 23:23:00,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:23:00,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1196283034, now seen corresponding path program 1 times [2022-11-25 23:23:00,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:23:00,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748227768] [2022-11-25 23:23:00,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:23:00,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:00,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:23:00,189 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:23:00,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (7)] Waiting until timeout for monitored process [2022-11-25 23:23:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:23:00,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:23:00,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:23:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:23:00,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:23:00,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:23:00,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748227768] [2022-11-25 23:23:00,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748227768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:23:00,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:23:00,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:23:00,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666009375] [2022-11-25 23:23:00,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:23:00,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:23:00,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:23:00,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:23:00,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:00,309 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:00,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:23:00,410 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-11-25 23:23:00,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:23:00,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-25 23:23:00,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:23:00,416 INFO L225 Difference]: With dead ends: 30 [2022-11-25 23:23:00,416 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:23:00,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:23:00,417 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:23:00,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:23:00,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:23:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:23:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:23:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:23:00,418 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-25 23:23:00,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:23:00,419 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:23:00,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:23:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:23:00,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:23:00,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-25 23:23:00,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-25 23:23:00,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-25 23:23:00,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-25 23:23:00,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-25 23:23:00,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:23:00,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:23:00,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:23:01,139 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:23:01,139 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:23:01,139 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 23:23:01,139 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:23:01,139 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:23:01,139 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:23:01,139 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:23:01,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2022-11-25 23:23:01,140 INFO L902 garLoopResultBuilder]: At program point L1881(line 1881) the Hoare annotation is: true [2022-11-25 23:23:01,140 INFO L899 garLoopResultBuilder]: For program point L1881-1(line 1881) no Hoare annotation was computed. [2022-11-25 23:23:01,140 INFO L899 garLoopResultBuilder]: For program point L1873(lines 1873 1877) no Hoare annotation was computed. [2022-11-25 23:23:01,140 INFO L895 garLoopResultBuilder]: At program point L1836loopEntry(lines 1836 1840) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-25 23:23:01,141 INFO L902 garLoopResultBuilder]: At program point L1836-2(lines 1833 1854) the Hoare annotation is: true [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1854) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1843) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 23:23:01,141 INFO L899 garLoopResultBuilder]: For program point L1845(line 1845) no Hoare annotation was computed. [2022-11-25 23:23:01,142 INFO L899 garLoopResultBuilder]: For program point L1845-1(line 1845) no Hoare annotation was computed. [2022-11-25 23:23:01,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1845) no Hoare annotation was computed. [2022-11-25 23:23:01,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:23:01,142 INFO L902 garLoopResultBuilder]: At program point L1883(line 1883) the Hoare annotation is: true [2022-11-25 23:23:01,142 INFO L902 garLoopResultBuilder]: At program point L1850(line 1850) the Hoare annotation is: true [2022-11-25 23:23:01,142 INFO L899 garLoopResultBuilder]: For program point L1883-1(line 1883) no Hoare annotation was computed. [2022-11-25 23:23:01,143 INFO L895 garLoopResultBuilder]: At program point L1846(line 1846) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-25 23:23:01,143 INFO L899 garLoopResultBuilder]: For program point L1838(line 1838) no Hoare annotation was computed. [2022-11-25 23:23:01,143 INFO L899 garLoopResultBuilder]: For program point L1838-2(line 1838) no Hoare annotation was computed. [2022-11-25 23:23:01,143 INFO L899 garLoopResultBuilder]: For program point L1867(line 1867) no Hoare annotation was computed. [2022-11-25 23:23:01,143 INFO L899 garLoopResultBuilder]: For program point L1867-1(line 1867) no Hoare annotation was computed. [2022-11-25 23:23:01,143 INFO L902 garLoopResultBuilder]: At program point L1859loopEntry(lines 1859 1863) the Hoare annotation is: true [2022-11-25 23:23:01,143 INFO L895 garLoopResultBuilder]: At program point L1859-2(lines 1856 1872) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-25 23:23:01,143 INFO L899 garLoopResultBuilder]: For program point L1855(lines 1855 1872) no Hoare annotation was computed. [2022-11-25 23:23:01,144 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1845) no Hoare annotation was computed. [2022-11-25 23:23:01,144 INFO L902 garLoopResultBuilder]: At program point L1884(lines 1878 1885) the Hoare annotation is: true [2022-11-25 23:23:01,144 INFO L899 garLoopResultBuilder]: For program point L1843(line 1843) no Hoare annotation was computed. [2022-11-25 23:23:01,144 INFO L899 garLoopResultBuilder]: For program point L1843-1(line 1843) no Hoare annotation was computed. [2022-11-25 23:23:01,144 INFO L899 garLoopResultBuilder]: For program point L1843-3(lines 1843 1851) no Hoare annotation was computed. [2022-11-25 23:23:01,144 INFO L902 garLoopResultBuilder]: At program point L1868(line 1868) the Hoare annotation is: true [2022-11-25 23:23:01,155 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 23:23:01,158 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:23:01,172 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,173 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,173 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,176 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,176 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,176 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,181 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,187 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,188 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,188 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,188 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,188 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:23:01 BoogieIcfgContainer [2022-11-25 23:23:01,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:23:01,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:23:01,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:23:01,193 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:23:01,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:19:48" (3/4) ... [2022-11-25 23:23:01,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:23:01,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:23:01,202 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:23:01,209 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 23:23:01,209 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 23:23:01,209 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 23:23:01,210 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:23:01,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32))) [2022-11-25 23:23:01,250 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:23:01,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:23:01,254 INFO L158 Benchmark]: Toolchain (without parser) took 198239.19ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.6MB in the beginning and 61.9MB in the end (delta: -8.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,255 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:23:01,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2060.31ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.4MB in the beginning and 66.9MB in the end (delta: -13.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.82ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 62.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,256 INFO L158 Benchmark]: Boogie Preprocessor took 69.10ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,256 INFO L158 Benchmark]: RCFGBuilder took 3663.70ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 45.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,257 INFO L158 Benchmark]: TraceAbstraction took 192296.69ms. Allocated memory is still 96.5MB. Free memory was 44.5MB in the beginning and 65.4MB in the end (delta: -21.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,258 INFO L158 Benchmark]: Witness Printer took 61.12ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 61.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:23:01,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2060.31ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 53.4MB in the beginning and 66.9MB in the end (delta: -13.5MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.82ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 62.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.10ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 60.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3663.70ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 45.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 192296.69ms. Allocated memory is still 96.5MB. Free memory was 44.5MB in the beginning and 65.4MB in the end (delta: -21.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Witness Printer took 61.12ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 61.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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 - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 192.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 455 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 197 mSDtfsCounter, 106 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 6 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 20 PreInvPairs, 28 NumberOfFragments, 86 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 178.8s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 91 ConstructedInterpolants, 5 QuantifiedInterpolants, 374 SizeOfPredicates, 7 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 1878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1836]: Loop Invariant [2022-11-25 23:23:01,272 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,272 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,274 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,274 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,274 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,275 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,275 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,275 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,275 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,275 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-25 23:23:01,276 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-25 23:23:01,276 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32))) - InvariantResult [Line: 1833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1859]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1856]: Loop Invariant Derived loop invariant: 2bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-25 23:23:01,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66ce621e-99cb-4d3f-a36f-fcd10af5c5ea/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 Result: TRUE