./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:52:11,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:11,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:11,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:11,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:11,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:11,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:11,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:11,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:11,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:11,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:11,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:11,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:11,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:11,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:11,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:11,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:11,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:11,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:11,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:11,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:11,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:11,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:11,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:11,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:11,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:11,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:11,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:11,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:11,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:11,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:11,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:11,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:11,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:11,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:11,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:11,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:11,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:11,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:11,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:11,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:11,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:52:11,592 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:11,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:11,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:11,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:11,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:11,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:11,598 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:11,598 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:11,598 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:11,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:52:11,599 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:11,600 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:11,600 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:52:11,600 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:52:11,600 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:11,601 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:52:11,601 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:52:11,601 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:52:11,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:11,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:52:11,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:52:11,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:11,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:52:11,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:11,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:52:11,604 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:52:11,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:52:11,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:11,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:52:11,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:11,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:11,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:11,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:11,607 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:52:11,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:11,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:52:11,607 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:52:11,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:52:11,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:52:11,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:11,609 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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a [2022-11-26 00:52:11,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:11,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:11,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:11,990 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:11,991 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:11,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i [2022-11-26 00:52:15,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:15,515 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:15,515 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i [2022-11-26 00:52:15,557 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/6e2faa01a/9715a3e3d1e946c68b4396eae79eb7df/FLAGf1c9360ed [2022-11-26 00:52:15,577 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/6e2faa01a/9715a3e3d1e946c68b4396eae79eb7df [2022-11-26 00:52:15,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:15,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:15,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:15,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:15,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:15,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:15" (1/1) ... [2022-11-26 00:52:15,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5121d625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:15, skipping insertion in model container [2022-11-26 00:52:15,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:15" (1/1) ... [2022-11-26 00:52:15,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:15,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:16,066 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:52:16,609 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:52:16,620 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:16,623 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:16,633 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:16,635 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:17,178 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:52:17,191 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.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) [2022-11-26 00:52:17,196 INFO L158 Benchmark]: Toolchain (without parser) took 1611.77ms. Allocated memory is still 148.9MB. Free memory was 120.5MB in the beginning and 95.8MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-26 00:52:17,197 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:52:17,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1607.18ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 95.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-26 00:52:17,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1607.18ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 95.8MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. 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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:52:19,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:52:19,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:52:19,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:52:19,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:52:19,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:52:19,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:52:19,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:52:19,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:52:19,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:52:19,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:52:19,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:52:19,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:52:19,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:52:19,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:52:19,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:52:19,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:52:19,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:52:19,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:52:19,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:52:19,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:52:19,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:52:19,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:52:19,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:52:19,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:52:19,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:52:19,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:52:19,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:52:19,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:52:19,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:52:19,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:52:19,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:52:19,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:52:19,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:52:19,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:52:19,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:52:19,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:52:19,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:52:19,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:52:19,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:52:19,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:52:19,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:52:19,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:52:19,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:52:19,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:52:19,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:52:19,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:52:19,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:52:19,612 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:52:19,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:52:19,612 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:52:19,612 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:52:19,613 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:52:19,614 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:52:19,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:52:19,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:52:19,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:52:19,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:52:19,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:52:19,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:52:19,616 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:52:19,616 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:52:19,616 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:52:19,616 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:52:19,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:52:19,617 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:52:19,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:52:19,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:52:19,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:52:19,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:52:19,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:19,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:52:19,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:52:19,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:52:19,619 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:52:19,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:52:19,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:52:19,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:52:19,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:52:19,620 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_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfc00127be80095153924dbb040bda5af086a3d16fffc3b3d194cb97d865ae1a [2022-11-26 00:52:20,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:52:20,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:52:20,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:52:20,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:52:20,044 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:52:20,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i [2022-11-26 00:52:23,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:52:23,619 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:52:23,619 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_65_good.i [2022-11-26 00:52:23,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/60eeb0633/5c49706c3e1c47c79b8d988d8446d7c5/FLAGfa2b5be72 [2022-11-26 00:52:23,673 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/data/60eeb0633/5c49706c3e1c47c79b8d988d8446d7c5 [2022-11-26 00:52:23,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:52:23,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:52:23,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:23,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:52:23,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:52:23,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:23" (1/1) ... [2022-11-26 00:52:23,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee95ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:23, skipping insertion in model container [2022-11-26 00:52:23,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:52:23" (1/1) ... [2022-11-26 00:52:23,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:52:23,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:52:24,198 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:52:24,722 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:52:24,728 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:24,730 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:24,732 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:24,733 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:25,208 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:52:25,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:25,234 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:52:25,276 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:52:25,342 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:52:25,344 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:25,345 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:52:25,347 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:25,347 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:52:25,359 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:52:25,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:52:25,630 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:52:25,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25 WrapperNode [2022-11-26 00:52:25,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:52:25,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:25,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:52:25,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:52:25,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,710 INFO L138 Inliner]: procedures = 947, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 71 [2022-11-26 00:52:25,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:52:25,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:52:25,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:52:25,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:52:25,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,743 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:52:25,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:52:25,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:52:25,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:52:25,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (1/1) ... [2022-11-26 00:52:25,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:52:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:52:25,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:52:25,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:52:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:52:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:52:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:52:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:52:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:52:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:52:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:52:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:52:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:52:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:52:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:52:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2022-11-26 00:52:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2022-11-26 00:52:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:52:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:52:25,984 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:52:25,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:52:30,523 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:52:30,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:52:30,530 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:52:30,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:30 BoogieIcfgContainer [2022-11-26 00:52:30,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:52:30,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:52:30,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:52:30,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:52:30,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:52:23" (1/3) ... [2022-11-26 00:52:30,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fd7c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:52:30, skipping insertion in model container [2022-11-26 00:52:30,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:52:25" (2/3) ... [2022-11-26 00:52:30,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fd7c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:52:30, skipping insertion in model container [2022-11-26 00:52:30,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:30" (3/3) ... [2022-11-26 00:52:30,544 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_65_good.i [2022-11-26 00:52:30,563 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:52:30,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-26 00:52:30,625 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:52:30,631 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;@6f762ad0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:52:30,632 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-26 00:52:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-26 00:52:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:52:30,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:30,645 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:30,645 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:30,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:30,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1480902189, now seen corresponding path program 1 times [2022-11-26 00:52:30,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:30,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933980095] [2022-11-26 00:52:30,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:30,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:30,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:30,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:30,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 00:52:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:30,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-26 00:52:30,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:52:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:52:31,014 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:52:31,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:52:31,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933980095] [2022-11-26 00:52:31,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933980095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:31,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:31,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:52:31,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492672681] [2022-11-26 00:52:31,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:31,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:52:31,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:52:31,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:52:31,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:52:31,094 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 33 states have internal predecessors, (36), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:52:33,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-26 00:52:33,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:33,392 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2022-11-26 00:52:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:52:33,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 00:52:33,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:33,403 INFO L225 Difference]: With dead ends: 66 [2022-11-26 00:52:33,403 INFO L226 Difference]: Without dead ends: 49 [2022-11-26 00:52:33,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:52:33,411 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 48 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:33,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 218 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:52:33,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-26 00:52:33,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2022-11-26 00:52:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.4) internal successors, (42), 35 states have internal predecessors, (42), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:52:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2022-11-26 00:52:33,461 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 12 [2022-11-26 00:52:33,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:33,462 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2022-11-26 00:52:33,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:52:33,463 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-11-26 00:52:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:52:33,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:33,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:33,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:33,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:33,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:33,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:33,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1336695115, now seen corresponding path program 1 times [2022-11-26 00:52:33,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:33,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092139109] [2022-11-26 00:52:33,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:33,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:33,682 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:33,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 00:52:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:33,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:52:33,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:52:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:52:33,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:52:33,804 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:52:33,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092139109] [2022-11-26 00:52:33,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092139109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:33,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:33,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:52:33,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061558836] [2022-11-26 00:52:33,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:33,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:52:33,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:52:33,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:52:33,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:52:33,808 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:52:33,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:33,847 INFO L93 Difference]: Finished difference Result 69 states and 77 transitions. [2022-11-26 00:52:33,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:52:33,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-26 00:52:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:33,850 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:52:33,851 INFO L226 Difference]: Without dead ends: 36 [2022-11-26 00:52:33,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:52:33,852 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 6 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:33,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 82 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:52:33,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-26 00:52:33,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-26 00:52:33,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.25) internal successors, (30), 28 states have internal predecessors, (30), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:52:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2022-11-26 00:52:33,862 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 13 [2022-11-26 00:52:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:33,863 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2022-11-26 00:52:33,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:52:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2022-11-26 00:52:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-26 00:52:33,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:33,866 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:33,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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)] Ended with exit code 0 [2022-11-26 00:52:34,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:34,079 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:34,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:34,080 INFO L85 PathProgramCache]: Analyzing trace with hash -529699403, now seen corresponding path program 1 times [2022-11-26 00:52:34,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:34,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184621496] [2022-11-26 00:52:34,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:34,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:34,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:34,082 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:34,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:34,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:52:34,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:52:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:52:34,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:52:34,392 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:52:34,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184621496] [2022-11-26 00:52:34,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184621496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:34,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:34,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:52:34,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508258835] [2022-11-26 00:52:34,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:34,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:52:34,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:52:34,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:52:34,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:52:34,402 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:34,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:34,483 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2022-11-26 00:52:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:52:34,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-26 00:52:34,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:34,486 INFO L225 Difference]: With dead ends: 36 [2022-11-26 00:52:34,486 INFO L226 Difference]: Without dead ends: 32 [2022-11-26 00:52:34,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:52:34,487 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 9 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:34,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 80 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:52:34,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-26 00:52:34,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-26 00:52:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:52:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2022-11-26 00:52:34,498 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2022-11-26 00:52:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:34,498 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2022-11-26 00:52:34,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2022-11-26 00:52:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:52:34,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:34,500 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:34,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:34,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:34,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:34,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:34,701 INFO L85 PathProgramCache]: Analyzing trace with hash 759164973, now seen corresponding path program 1 times [2022-11-26 00:52:34,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:34,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [53215554] [2022-11-26 00:52:34,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:34,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:34,703 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:34,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:34,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:52:34,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:52:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:52:34,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:52:34,933 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:52:34,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [53215554] [2022-11-26 00:52:34,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [53215554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:34,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:34,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:52:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589624553] [2022-11-26 00:52:34,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:34,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:52:34,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:52:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:52:34,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:52:34,936 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:35,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:35,776 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2022-11-26 00:52:35,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:52:35,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-11-26 00:52:35,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:35,781 INFO L225 Difference]: With dead ends: 33 [2022-11-26 00:52:35,782 INFO L226 Difference]: Without dead ends: 32 [2022-11-26 00:52:35,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:52:35,783 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:35,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:52:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-26 00:52:35,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-11-26 00:52:35,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:52:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2022-11-26 00:52:35,798 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 26 [2022-11-26 00:52:35,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:35,799 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2022-11-26 00:52:35,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2022-11-26 00:52:35,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-26 00:52:35,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:35,805 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:35,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:52:36,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:36,020 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:36,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:36,020 INFO L85 PathProgramCache]: Analyzing trace with hash 2059281788, now seen corresponding path program 1 times [2022-11-26 00:52:36,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:36,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1984065606] [2022-11-26 00:52:36,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:36,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:36,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:36,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:36,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:52:36,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:52:36,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:52:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:52:36,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:52:36,234 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:52:36,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1984065606] [2022-11-26 00:52:36,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1984065606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:52:36,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:52:36,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:52:36,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769919539] [2022-11-26 00:52:36,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:52:36,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:52:36,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:52:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:52:36,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:52:36,237 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:36,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:52:36,254 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2022-11-26 00:52:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:52:36,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-26 00:52:36,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:52:36,256 INFO L225 Difference]: With dead ends: 36 [2022-11-26 00:52:36,256 INFO L226 Difference]: Without dead ends: 31 [2022-11-26 00:52:36,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:52:36,257 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:52:36,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:52:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-26 00:52:36,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-26 00:52:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:52:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2022-11-26 00:52:36,264 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2022-11-26 00:52:36,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:52:36,264 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2022-11-26 00:52:36,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:52:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-11-26 00:52:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-26 00:52:36,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:52:36,266 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:52:36,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:52:36,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:36,481 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:52:36,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:52:36,482 INFO L85 PathProgramCache]: Analyzing trace with hash -586898929, now seen corresponding path program 1 times [2022-11-26 00:52:36,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:52:36,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669190690] [2022-11-26 00:52:36,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:52:36,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:52:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:52:36,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:52:36,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:53:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:53:45,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:53:45,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:53:47,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:53:47,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:53:47,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:53:47,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669190690] [2022-11-26 00:53:47,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669190690] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:53:47,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:53:47,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:53:47,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27339118] [2022-11-26 00:53:47,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:53:47,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:53:47,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:53:47,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:53:47,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:53:47,239 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:53:50,325 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] [2022-11-26 00:53:50,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:53:50,325 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-11-26 00:53:50,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:53:50,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2022-11-26 00:53:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:53:50,332 INFO L225 Difference]: With dead ends: 31 [2022-11-26 00:53:50,332 INFO L226 Difference]: Without dead ends: 30 [2022-11-26 00:53:50,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:53:50,334 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:53:50,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 116 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:53:50,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-26 00:53:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-26 00:53:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-26 00:53:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-11-26 00:53:50,340 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2022-11-26 00:53:50,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:53:50,340 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2022-11-26 00:53:50,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:53:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-11-26 00:53:50,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-26 00:53:50,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:53:50,341 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:53:50,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 [2022-11-26 00:53:50,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:53:50,562 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-26 00:53:50,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:53:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1013997538, now seen corresponding path program 1 times [2022-11-26 00:53:50,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:53:50,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141109369] [2022-11-26 00:53:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:53:50,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:53:50,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:53:50,564 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:53:50,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 (8)] Waiting until timeout for monitored process [2022-11-26 00:54:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:54:56,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:54:56,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:54:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:54:58,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:54:58,133 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:54:58,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141109369] [2022-11-26 00:54:58,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141109369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:54:58,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:54:58,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:54:58,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171348137] [2022-11-26 00:54:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:54:58,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:54:58,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:54:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:54:58,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:54:58,135 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:54:59,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:54:59,270 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-11-26 00:54:59,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:54:59,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2022-11-26 00:54:59,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:54:59,275 INFO L225 Difference]: With dead ends: 30 [2022-11-26 00:54:59,275 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:54:59,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:54:59,276 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:54:59,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:54:59,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:54:59,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:54:59,277 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) [2022-11-26 00:54:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:54:59,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2022-11-26 00:54:59,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:54:59,278 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:54:59,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-26 00:54:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:54:59,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:54:59,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-26 00:54:59,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-26 00:54:59,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-26 00:54:59,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-26 00:54:59,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-26 00:54:59,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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 (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:54:59,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:54:59,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:54:59,577 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:54:59,577 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:54:59,577 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-26 00:54:59,577 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point L1858-1(line 1858) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,579 INFO L899 garLoopResultBuilder]: For program point L1850(lines 1850 1854) no Hoare annotation was computed. [2022-11-26 00:54:59,579 INFO L895 garLoopResultBuilder]: At program point L1848(line 1848) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink.offset|) (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~0#1|) (= |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (= |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|)) [2022-11-26 00:54:59,579 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-26 00:54:59,579 INFO L899 garLoopResultBuilder]: For program point L1842(lines 1842 1849) no Hoare annotation was computed. [2022-11-26 00:54:59,579 INFO L895 garLoopResultBuilder]: At program point L1839(line 1839) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink.offset|) (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~0#1|)) [2022-11-26 00:54:59,579 INFO L899 garLoopResultBuilder]: For program point L1839-1(lines 1833 1840) no Hoare annotation was computed. [2022-11-26 00:54:59,579 INFO L895 garLoopResultBuilder]: At program point L1861(lines 1855 1862) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~0#1|) [2022-11-26 00:54:59,579 INFO L895 garLoopResultBuilder]: At program point L1860(line 1860) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~0#1|) [2022-11-26 00:54:59,579 INFO L899 garLoopResultBuilder]: For program point L1860-1(line 1860) no Hoare annotation was computed. [2022-11-26 00:54:59,581 INFO L902 garLoopResultBuilder]: At program point L1858(line 1858) the Hoare annotation is: true [2022-11-26 00:54:59,584 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,584 INFO L895 garLoopResultBuilder]: At program point L1879(line 1879) the Hoare annotation is: (or (not (= |##fun~C_INT~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink.offset|)) (not (= |##fun~C_INT~TO~VOID_#in~178#1| (_ bv2 32)))) [2022-11-26 00:54:59,584 INFO L899 garLoopResultBuilder]: For program point L1879-1(lines 1870 1881) no Hoare annotation was computed. [2022-11-26 00:54:59,584 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1874) no Hoare annotation was computed. [2022-11-26 00:54:59,584 INFO L895 garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: (or (not (= |##fun~C_INT~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink.offset|)) (not (= |##fun~C_INT~TO~VOID_#in~178#1| (_ bv2 32)))) [2022-11-26 00:54:59,585 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1866) no Hoare annotation was computed. [2022-11-26 00:54:59,586 INFO L895 garLoopResultBuilder]: At program point L1867(line 1867) the Hoare annotation is: (or (not (= |##fun~C_INT~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink.offset|)) (not (= |##fun~C_INT~TO~VOID_#in~178#1| (_ bv2 32))) (and (= |##fun~C_INT~TO~VOID_#~178#1| (_ bv2 32)) (= (_ bv2 32) |##fun~C_INT~TO~VOID_CWE190_Integer_Overflow__int_fscanf_square_65b_goodG2BSink_~data#1|))) [2022-11-26 00:54:59,586 INFO L899 garLoopResultBuilder]: For program point L1867-1(lines 1863 1869) no Hoare annotation was computed. [2022-11-26 00:54:59,586 INFO L902 garLoopResultBuilder]: At program point ##fun~C_INT~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-26 00:54:59,586 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,586 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-26 00:54:59,586 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1866) no Hoare annotation was computed. [2022-11-26 00:54:59,587 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1872) no Hoare annotation was computed. [2022-11-26 00:54:59,587 INFO L899 garLoopResultBuilder]: For program point L1874(line 1874) no Hoare annotation was computed. [2022-11-26 00:54:59,587 INFO L899 garLoopResultBuilder]: For program point ##fun~C_INT~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1874) no Hoare annotation was computed. [2022-11-26 00:54:59,587 INFO L899 garLoopResultBuilder]: For program point L1874-1(line 1874) no Hoare annotation was computed. [2022-11-26 00:54:59,588 INFO L899 garLoopResultBuilder]: For program point L1872(line 1872) no Hoare annotation was computed. [2022-11-26 00:54:59,588 INFO L899 garLoopResultBuilder]: For program point L1872-1(line 1872) no Hoare annotation was computed. [2022-11-26 00:54:59,588 INFO L899 garLoopResultBuilder]: For program point L1872-3(lines 1872 1880) no Hoare annotation was computed. [2022-11-26 00:54:59,588 INFO L899 garLoopResultBuilder]: For program point L1866(line 1866) no Hoare annotation was computed. [2022-11-26 00:54:59,588 INFO L899 garLoopResultBuilder]: For program point L1866-1(line 1866) no Hoare annotation was computed. [2022-11-26 00:54:59,591 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:54:59,594 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:54:59,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:54:59 BoogieIcfgContainer [2022-11-26 00:54:59,609 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:54:59,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:54:59,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:54:59,610 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:54:59,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:52:30" (3/4) ... [2022-11-26 00:54:59,613 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:54:59,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:54:59,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:54:59,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~C_INT~TO~VOID [2022-11-26 00:54:59,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-26 00:54:59,632 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-26 00:54:59,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-26 00:54:59,633 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:54:59,676 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:54:59,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:54:59,677 INFO L158 Benchmark]: Toolchain (without parser) took 155996.38ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 31.4MB in the beginning and 38.3MB in the end (delta: -6.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,677 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:54:59,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1949.17ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 31.1MB in the beginning and 70.7MB in the end (delta: -39.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.94ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,679 INFO L158 Benchmark]: Boogie Preprocessor took 37.32ms. Allocated memory is still 107.0MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,679 INFO L158 Benchmark]: RCFGBuilder took 4782.45ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 47.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,679 INFO L158 Benchmark]: TraceAbstraction took 149074.91ms. Allocated memory is still 107.0MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.5MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,680 INFO L158 Benchmark]: Witness Printer took 66.88ms. Allocated memory is still 107.0MB. Free memory was 42.0MB in the beginning and 38.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:54:59,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 43.8MB in the beginning and 43.7MB in the end (delta: 44.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1949.17ms. Allocated memory was 65.0MB in the beginning and 107.0MB in the end (delta: 41.9MB). Free memory was 31.1MB in the beginning and 70.7MB in the end (delta: -39.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.94ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.32ms. Allocated memory is still 107.0MB. Free memory was 66.5MB in the beginning and 64.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4782.45ms. Allocated memory is still 107.0MB. Free memory was 64.4MB in the beginning and 47.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 149074.91ms. Allocated memory is still 107.0MB. Free memory was 46.5MB in the beginning and 42.0MB in the end (delta: 4.5MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 66.88ms. Allocated memory is still 107.0MB. Free memory was 42.0MB in the beginning and 38.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1874]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: 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 4 procedures, 43 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 149.0s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 724 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 219 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=1, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 64 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 134.8s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 153 ConstructedInterpolants, 5 QuantifiedInterpolants, 464 SizeOfPredicates, 11 NumberOfNonLiveVariables, 633 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 11/11 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: 1855]: Loop Invariant Derived loop invariant: 2bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-26 00:54:59,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ca25f2a-5589-4836-856f-7aa0b3294fb6/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