./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67c267c1a5b4296ed1792614ed4eca65685e7bad48eddd08d3a2780602e91b03 --- 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-2329fc7 [2022-12-13 20:34:41,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:34:41,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:34:41,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:34:41,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:34:41,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:34:41,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:34:41,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:34:41,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:34:41,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:34:41,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:34:41,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:34:41,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:34:41,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:34:41,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:34:41,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:34:41,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:34:41,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:34:41,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:34:41,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:34:41,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:34:41,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:34:41,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:34:41,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:34:41,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:34:41,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:34:41,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:34:41,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:34:41,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:34:41,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:34:41,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:34:41,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:34:41,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:34:41,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:34:41,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:34:41,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:34:41,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:34:41,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:34:41,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:34:41,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:34:41,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:34:41,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 20:34:41,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:34:41,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:34:41,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:34:41,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:34:41,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:34:41,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:34:41,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:34:41,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:34:41,761 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:34:41,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:34:41,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:34:41,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:34:41,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:34:41,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:34:41,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:34:41,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:34:41,764 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67c267c1a5b4296ed1792614ed4eca65685e7bad48eddd08d3a2780602e91b03 [2022-12-13 20:34:41,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:34:41,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:34:41,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:34:41,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:34:41,943 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:34:41,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i [2022-12-13 20:34:44,524 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:34:44,753 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:34:44,754 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i [2022-12-13 20:34:44,769 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/a58099c03/5eec9d7fa89d4269bb6674ec8c6aa9dc/FLAG4224cd544 [2022-12-13 20:34:45,082 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/a58099c03/5eec9d7fa89d4269bb6674ec8c6aa9dc [2022-12-13 20:34:45,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:34:45,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:34:45,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:45,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:34:45,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:34:45,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:45" (1/1) ... [2022-12-13 20:34:45,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfc90cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:45, skipping insertion in model container [2022-12-13 20:34:45,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:45" (1/1) ... [2022-12-13 20:34:45,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:34:45,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:34:45,419 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:34:45,838 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:34:45,842 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:45,844 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:45,846 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:45,847 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:46,196 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:34:46,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1676) 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) [2022-12-13 20:34:46,203 INFO L158 Benchmark]: Toolchain (without parser) took 1114.31ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 45.0MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 20:34:46,203 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:34:46,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1111.27ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 45.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 20:34:46,205 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1111.27ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 45.0MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 67c267c1a5b4296ed1792614ed4eca65685e7bad48eddd08d3a2780602e91b03 --- 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-2329fc7 [2022-12-13 20:34:47,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:34:47,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:34:47,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:34:47,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:34:47,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:34:47,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:34:47,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:34:47,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:34:47,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:34:47,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:34:47,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:34:47,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:34:47,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:34:47,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:34:47,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:34:47,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:34:47,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:34:47,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:34:47,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:34:47,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:34:47,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:34:47,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:34:47,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:34:47,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:34:47,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:34:47,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:34:47,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:34:47,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:34:47,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:34:47,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:34:47,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:34:47,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:34:47,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:34:47,618 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:34:47,618 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:34:47,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:34:47,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:34:47,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:34:47,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:34:47,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:34:47,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 20:34:47,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:34:47,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:34:47,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:34:47,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:34:47,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:34:47,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:34:47,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:34:47,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:34:47,639 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:34:47,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:34:47,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 20:34:47,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 20:34:47,641 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 20:34:47,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:34:47,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:34:47,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:34:47,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:34:47,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:34:47,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:34:47,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:34:47,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:34:47,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:34:47,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:34:47,642 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 20:34:47,643 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:34:47,644 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67c267c1a5b4296ed1792614ed4eca65685e7bad48eddd08d3a2780602e91b03 [2022-12-13 20:34:47,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:34:47,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:34:47,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:34:47,882 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:34:47,883 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:34:47,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i [2022-12-13 20:34:50,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:34:50,724 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:34:50,725 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_14_good.i [2022-12-13 20:34:50,740 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/c10be0e34/c7b38c33e8254e94850dc062462ab8fb/FLAG8fe77487f [2022-12-13 20:34:50,752 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/data/c10be0e34/c7b38c33e8254e94850dc062462ab8fb [2022-12-13 20:34:50,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:34:50,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:34:50,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:50,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:34:50,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:34:50,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:50" (1/1) ... [2022-12-13 20:34:50,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c41eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:50, skipping insertion in model container [2022-12-13 20:34:50,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:50" (1/1) ... [2022-12-13 20:34:50,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:34:50,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:34:51,113 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:34:51,546 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:34:51,551 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:51,553 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:51,555 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:51,556 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:51,876 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:34:51,883 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:34:51,890 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:34:51,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:51,904 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:34:51,923 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 20:34:51,965 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 20:34:51,966 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:51,967 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 20:34:51,969 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:51,970 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 20:34:51,981 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:34:51,984 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 20:34:51,988 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 20:34:51,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:52,211 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:34:52,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52 WrapperNode [2022-12-13 20:34:52,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:52,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:52,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:34:52,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:34:52,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,257 INFO L138 Inliner]: procedures = 947, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2022-12-13 20:34:52,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:52,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:34:52,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:34:52,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:34:52,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:34:52,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:34:52,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:34:52,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:34:52,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (1/1) ... [2022-12-13 20:34:52,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:34:52,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:52,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:52,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:34:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 20:34:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:34:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 20:34:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 20:34:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 20:34:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 20:34:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 20:34:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 20:34:52,479 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:34:52,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:34:56,624 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:34:56,629 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:34:56,629 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 20:34:56,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:56 BoogieIcfgContainer [2022-12-13 20:34:56,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:34:56,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:34:56,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:34:56,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:34:56,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:34:50" (1/3) ... [2022-12-13 20:34:56,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731373b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:34:56, skipping insertion in model container [2022-12-13 20:34:56,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:52" (2/3) ... [2022-12-13 20:34:56,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3731373b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:34:56, skipping insertion in model container [2022-12-13 20:34:56,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:56" (3/3) ... [2022-12-13 20:34:56,636 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_14_good.i [2022-12-13 20:34:56,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:34:56,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-12-13 20:34:56,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:34:56,685 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=PETRI_NET, 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;@366dad03, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:34:56,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 20:34:56,688 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 20:34:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 20:34:56,693 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:56,694 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:34:56,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:34:56,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:56,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1605405762, now seen corresponding path program 1 times [2022-12-13 20:34:56,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:34:56,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813967506] [2022-12-13 20:34:56,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:56,707 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 [2022-12-13 20:34:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:34:56,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:34:56,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:56,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:34:56,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:56,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:34:56,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:34:56,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813967506] [2022-12-13 20:34:56,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813967506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:56,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:56,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:34:56,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46080664] [2022-12-13 20:34:56,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:56,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:34:56,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:34:56,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:34:56,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:56,845 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:56,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:56,929 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-12-13 20:34:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:34:56,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 20:34:56,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:56,936 INFO L225 Difference]: With dead ends: 145 [2022-12-13 20:34:56,937 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 20:34:56,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:56,941 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 24 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:56,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 160 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 20:34:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 20:34:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 20:34:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 50 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:34:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-12-13 20:34:56,973 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 12 [2022-12-13 20:34:56,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:56,974 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-12-13 20:34:56,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:56,974 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-12-13 20:34:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 20:34:56,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:56,975 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:34:56,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 20:34:57,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:57,177 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:34:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:57,178 INFO L85 PathProgramCache]: Analyzing trace with hash 602097063, now seen corresponding path program 1 times [2022-12-13 20:34:57,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:34:57,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059679388] [2022-12-13 20:34:57,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:57,179 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 [2022-12-13 20:34:57,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:34:57,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:34:57,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:57,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:34:57,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:57,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:34:57,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:34:57,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059679388] [2022-12-13 20:34:57,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059679388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:57,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:57,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:34:57,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052408915] [2022-12-13 20:34:57,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:57,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:34:57,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:34:57,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:34:57,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:34:57,416 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:58,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:58,677 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-12-13 20:34:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:34:58,682 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-12-13 20:34:58,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:58,683 INFO L225 Difference]: With dead ends: 58 [2022-12-13 20:34:58,683 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 20:34:58,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:34:58,684 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:58,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 183 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 20:34:58,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 20:34:58,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-12-13 20:34:58,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 49 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:34:58,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-12-13 20:34:58,689 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 14 [2022-12-13 20:34:58,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:58,689 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-12-13 20:34:58,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-12-13 20:34:58,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 20:34:58,690 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:58,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:34:58,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:58,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:58,892 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:34:58,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:58,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1485143876, now seen corresponding path program 1 times [2022-12-13 20:34:58,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:34:58,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296934079] [2022-12-13 20:34:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:58,896 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 [2022-12-13 20:34:58,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:34:58,899 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:34:58,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:58,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:34:58,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:34:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:58,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:34:58,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:34:58,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296934079] [2022-12-13 20:34:58,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296934079] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:58,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:58,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:34:58,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097996081] [2022-12-13 20:34:58,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:58,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:34:58,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:34:58,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:34:58,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:58,996 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:59,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:59,017 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2022-12-13 20:34:59,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:34:59,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 20:34:59,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:59,018 INFO L225 Difference]: With dead ends: 100 [2022-12-13 20:34:59,018 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 20:34:59,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:59,019 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:59,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:34:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 20:34:59,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 20:34:59,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.394736842105263) internal successors, (53), 50 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:34:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-12-13 20:34:59,024 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 15 [2022-12-13 20:34:59,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:59,024 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-12-13 20:34:59,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:34:59,025 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-12-13 20:34:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 20:34:59,025 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:59,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:34:59,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 20:34:59,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:34:59,227 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:34:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1205305015, now seen corresponding path program 1 times [2022-12-13 20:34:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:34:59,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168614354] [2022-12-13 20:34:59,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:59,232 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 [2022-12-13 20:34:59,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:34:59,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:34:59,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:35:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:35:51,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 20:35:51,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:35:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:35:52,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:35:52,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:35:52,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168614354] [2022-12-13 20:35:52,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168614354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:35:52,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:35:52,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:35:52,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647956817] [2022-12-13 20:35:52,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:35:52,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:35:52,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:35:52,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:35:52,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:35:52,415 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:55,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 20:35:56,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:35:56,531 INFO L93 Difference]: Finished difference Result 133 states and 159 transitions. [2022-12-13 20:35:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:35:56,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-13 20:35:56,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:35:56,533 INFO L225 Difference]: With dead ends: 133 [2022-12-13 20:35:56,533 INFO L226 Difference]: Without dead ends: 92 [2022-12-13 20:35:56,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:35:56,533 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:35:56,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 281 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 20:35:56,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-12-13 20:35:56,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 61. [2022-12-13 20:35:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 53 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:35:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2022-12-13 20:35:56,539 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 16 [2022-12-13 20:35:56,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:35:56,539 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2022-12-13 20:35:56,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:35:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-12-13 20:35:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 20:35:56,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:35:56,540 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:35:56,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 20:35:56,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:35:56,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:35:56,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:35:56,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1290250278, now seen corresponding path program 1 times [2022-12-13 20:35:56,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:35:56,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216022874] [2022-12-13 20:35:56,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:35:56,745 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 [2022-12-13 20:35:56,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:35:56,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:35:56,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:53,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:36:53,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:36:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:36:55,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:36:55,046 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:36:55,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216022874] [2022-12-13 20:36:55,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216022874] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:36:55,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:36:55,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:36:55,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302291059] [2022-12-13 20:36:55,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:36:55,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:36:55,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:36:55,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:36:55,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:36:55,047 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:36:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:36:56,656 INFO L93 Difference]: Finished difference Result 92 states and 110 transitions. [2022-12-13 20:36:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:36:56,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-13 20:36:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:36:56,658 INFO L225 Difference]: With dead ends: 92 [2022-12-13 20:36:56,658 INFO L226 Difference]: Without dead ends: 91 [2022-12-13 20:36:56,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:36:56,659 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 37 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:36:56,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 232 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:36:56,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-12-13 20:36:56,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 60. [2022-12-13 20:36:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.302325581395349) internal successors, (56), 52 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:36:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2022-12-13 20:36:56,663 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 17 [2022-12-13 20:36:56,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:36:56,663 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2022-12-13 20:36:56,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 20:36:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-12-13 20:36:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 20:36:56,664 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:36:56,664 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:36:56,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 20:36:56,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:56,865 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:36:56,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:36:56,867 INFO L85 PathProgramCache]: Analyzing trace with hash -382079765, now seen corresponding path program 1 times [2022-12-13 20:36:56,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:36:56,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810968383] [2022-12-13 20:36:56,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:36:56,869 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 [2022-12-13 20:36:56,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:36:56,872 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:36:56,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:56,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 20:36:56,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:36:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:36:56,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:36:56,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:36:56,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1810968383] [2022-12-13 20:36:56,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1810968383] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:36:56,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:36:56,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:36:56,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372462334] [2022-12-13 20:36:56,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:36:56,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 20:36:56,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:36:56,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 20:36:56,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 20:36:56,996 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:36:57,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:36:57,482 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2022-12-13 20:36:57,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:36:57,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-12-13 20:36:57,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:36:57,488 INFO L225 Difference]: With dead ends: 61 [2022-12-13 20:36:57,488 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 20:36:57,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:36:57,489 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 3 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 20:36:57,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 174 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 20:36:57,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 20:36:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-12-13 20:36:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:36:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-12-13 20:36:57,495 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 26 [2022-12-13 20:36:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:36:57,496 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-12-13 20:36:57,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:36:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-12-13 20:36:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-13 20:36:57,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:36:57,497 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:36:57,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 20:36:57,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:57,699 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:36:57,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:36:57,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1040433318, now seen corresponding path program 1 times [2022-12-13 20:36:57,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:36:57,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999007861] [2022-12-13 20:36:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:36:57,700 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 [2022-12-13 20:36:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:36:57,702 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:36:57,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:36:57,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:36:57,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:36:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:36:57,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:36:57,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:36:57,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999007861] [2022-12-13 20:36:57,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999007861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:36:57,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:36:57,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:36:57,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699197891] [2022-12-13 20:36:57,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:36:57,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:36:57,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:36:57,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:36:57,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:36:57,817 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:36:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:36:57,836 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2022-12-13 20:36:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:36:57,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-12-13 20:36:57,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:36:57,837 INFO L225 Difference]: With dead ends: 83 [2022-12-13 20:36:57,837 INFO L226 Difference]: Without dead ends: 60 [2022-12-13 20:36:57,838 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 [2022-12-13 20:36:57,838 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:36:57,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:36:57,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-12-13 20:36:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-12-13 20:36:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 52 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:36:57,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2022-12-13 20:36:57,842 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 27 [2022-12-13 20:36:57,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:36:57,842 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2022-12-13 20:36:57,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:36:57,842 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-12-13 20:36:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-13 20:36:57,843 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:36:57,843 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:36:57,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 20:36:58,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:36:58,044 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:36:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:36:58,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2106430387, now seen corresponding path program 1 times [2022-12-13 20:36:58,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:36:58,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40146209] [2022-12-13 20:36:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:36:58,045 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 [2022-12-13 20:36:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:36:58,046 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:36:58,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (9)] Waiting until timeout for monitored process [2022-12-13 20:37:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:37:53,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 20:37:53,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:37:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:37:54,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:37:54,617 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:37:54,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40146209] [2022-12-13 20:37:54,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40146209] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:37:54,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:37:54,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:37:54,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249720565] [2022-12-13 20:37:54,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:37:54,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 20:37:54,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:37:54,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:37:54,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:37:54,621 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:37:58,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 20:37:59,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:37:59,651 INFO L93 Difference]: Finished difference Result 104 states and 118 transitions. [2022-12-13 20:37:59,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 20:37:59,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-12-13 20:37:59,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:37:59,653 INFO L225 Difference]: With dead ends: 104 [2022-12-13 20:37:59,653 INFO L226 Difference]: Without dead ends: 79 [2022-12-13 20:37:59,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-12-13 20:37:59,654 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 25 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:37:59,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 287 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 20:37:59,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-12-13 20:37:59,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2022-12-13 20:37:59,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 55 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:37:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2022-12-13 20:37:59,658 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 28 [2022-12-13 20:37:59,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:37:59,658 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2022-12-13 20:37:59,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:37:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2022-12-13 20:37:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-13 20:37:59,658 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:37:59,659 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:37:59,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (9)] Ended with exit code 0 [2022-12-13 20:37:59,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:37:59,860 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:37:59,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:37:59,862 INFO L85 PathProgramCache]: Analyzing trace with hash -874832440, now seen corresponding path program 1 times [2022-12-13 20:37:59,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:37:59,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316520434] [2022-12-13 20:37:59,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:37:59,864 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 [2022-12-13 20:37:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:37:59,866 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:37:59,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (10)] Waiting until timeout for monitored process [2022-12-13 20:38:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:38:55,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 20:38:55,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:38:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 20:38:57,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:38:57,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:38:57,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [316520434] [2022-12-13 20:38:57,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [316520434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:38:57,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:38:57,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 20:38:57,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601959103] [2022-12-13 20:38:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:38:57,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:38:57,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:38:57,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:38:57,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:38:57,283 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:38:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:38:59,859 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2022-12-13 20:38:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 20:38:59,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-12-13 20:38:59,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:38:59,860 INFO L225 Difference]: With dead ends: 79 [2022-12-13 20:38:59,861 INFO L226 Difference]: Without dead ends: 78 [2022-12-13 20:38:59,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-13 20:38:59,861 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 22 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 20:38:59,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 217 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 20:38:59,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-12-13 20:38:59,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 63. [2022-12-13 20:38:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 54 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:38:59,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2022-12-13 20:38:59,867 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 29 [2022-12-13 20:38:59,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:38:59,868 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2022-12-13 20:38:59,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 20:38:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-12-13 20:38:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 20:38:59,869 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:38:59,869 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-12-13 20:38:59,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (10)] Forceful destruction successful, exit code 0 [2022-12-13 20:39:00,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:39:00,070 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:39:00,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:00,072 INFO L85 PathProgramCache]: Analyzing trace with hash -2096579515, now seen corresponding path program 1 times [2022-12-13 20:39:00,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:39:00,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225751576] [2022-12-13 20:39:00,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:00,074 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 [2022-12-13 20:39:00,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:39:00,078 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:39:00,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (11)] Waiting until timeout for monitored process [2022-12-13 20:39:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:00,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:39:00,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:39:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 20:39:00,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:39:00,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:39:00,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225751576] [2022-12-13 20:39:00,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225751576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:00,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:00,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:39:00,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621302314] [2022-12-13 20:39:00,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:00,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:39:00,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:39:00,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:39:00,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:00,222 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 20:39:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:00,484 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2022-12-13 20:39:00,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:39:00,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-12-13 20:39:00,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:00,490 INFO L225 Difference]: With dead ends: 63 [2022-12-13 20:39:00,490 INFO L226 Difference]: Without dead ends: 61 [2022-12-13 20:39:00,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:00,491 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 8 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 20:39:00,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 108 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 20:39:00,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-13 20:39:00,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-12-13 20:39:00,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:39:00,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2022-12-13 20:39:00,495 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 35 [2022-12-13 20:39:00,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:00,495 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2022-12-13 20:39:00,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-12-13 20:39:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-12-13 20:39:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-13 20:39:00,496 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:39:00,497 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:00,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (11)] Forceful destruction successful, exit code 0 [2022-12-13 20:39:00,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:39:00,699 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-12-13 20:39:00,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:39:00,699 INFO L85 PathProgramCache]: Analyzing trace with hash 452230348, now seen corresponding path program 1 times [2022-12-13 20:39:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 20:39:00,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828280799] [2022-12-13 20:39:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:39:00,700 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 [2022-12-13 20:39:00,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 20:39:00,702 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 20:39:00,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (12)] Waiting until timeout for monitored process [2022-12-13 20:39:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:39:00,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 20:39:00,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 20:39:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 20:39:00,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 20:39:00,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 20:39:00,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1828280799] [2022-12-13 20:39:00,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1828280799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:39:00,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:39:00,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:39:00,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344422347] [2022-12-13 20:39:00,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:39:00,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:39:00,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 20:39:00,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:39:00,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:00,853 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 20:39:01,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:39:01,015 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2022-12-13 20:39:01,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:39:01,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-12-13 20:39:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:39:01,019 INFO L225 Difference]: With dead ends: 61 [2022-12-13 20:39:01,019 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:39:01,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:39:01,020 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 20:39:01,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 20:39:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:39:01,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:39:01,021 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) [2022-12-13 20:39:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:39:01,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-12-13 20:39:01,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:39:01,021 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:39:01,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-13 20:39:01,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:39:01,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:39:01,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-12-13 20:39:01,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-12-13 20:39:01,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-12-13 20:39:01,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-12-13 20:39:01,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 (12)] Ended with exit code 0 [2022-12-13 20:39:01,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 20:39:01,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:39:02,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 20:39:02,022 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:39:02,022 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 20:39:02,022 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 20:39:02,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point L1918(lines 1918 1933) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L895 garLoopResultBuilder]: At program point L1852(line 1852) the Hoare annotation is: (not (= ~globalFive~0 (_ bv5 32))) [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point L1902(lines 1902 1909) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point L1902-1(lines 1899 1917) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 1849) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point L1836-2(lines 1833 1866) no Hoare annotation was computed. [2022-12-13 20:39:02,023 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1941 1948) the Hoare annotation is: true [2022-12-13 20:39:02,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1913) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L902 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: true [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1856) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L902 garLoopResultBuilder]: At program point L1944(line 1944) the Hoare annotation is: true [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point L1944-1(line 1944) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1929) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1858) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2022-12-13 20:39:02,024 INFO L899 garLoopResultBuilder]: For program point L1887-3(lines 1887 1895) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L895 garLoopResultBuilder]: At program point L1846(line 1846) the Hoare annotation is: (and (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point L1846-1(lines 1840 1847) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L895 garLoopResultBuilder]: At program point L1904(line 1904) the Hoare annotation is: (not (= ~globalFive~0 (_ bv5 32))) [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point L1871(lines 1871 1884) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point L1871-2(lines 1868 1897) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1929) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:39:02,025 INFO L899 garLoopResultBuilder]: For program point L1929(line 1929) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1929-1(line 1929) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L902 garLoopResultBuilder]: At program point L1863(line 1863) the Hoare annotation is: true [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1863-1(lines 1832 1866) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L902 garLoopResultBuilder]: At program point L1946(line 1946) the Hoare annotation is: true [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1913(line 1913) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1946-1(line 1946) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1913-1(line 1913) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L902 garLoopResultBuilder]: At program point L1930(line 1930) the Hoare annotation is: true [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1922(lines 1922 1925) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1889(line 1889) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1856(line 1856) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1889-1(line 1889) no Hoare annotation was computed. [2022-12-13 20:39:02,026 INFO L899 garLoopResultBuilder]: For program point L1922-2(lines 1919 1933) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L899 garLoopResultBuilder]: For program point L1856-1(line 1856) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L899 garLoopResultBuilder]: For program point L1856-3(lines 1856 1864) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L895 garLoopResultBuilder]: At program point L1914(line 1914) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-12-13 20:39:02,027 INFO L895 garLoopResultBuilder]: At program point L1881(line 1881) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-12-13 20:39:02,027 INFO L899 garLoopResultBuilder]: For program point L1881-1(lines 1875 1882) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L899 garLoopResultBuilder]: For program point L1840(lines 1840 1847) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1917) no Hoare annotation was computed. [2022-12-13 20:39:02,027 INFO L895 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point L1858(line 1858) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point L1858-1(line 1858) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 1882) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point L1867(lines 1867 1897) no Hoare annotation was computed. [2022-12-13 20:39:02,028 INFO L895 garLoopResultBuilder]: At program point L1859(line 1859) the Hoare annotation is: (and (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-12-13 20:39:02,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1858) no Hoare annotation was computed. [2022-12-13 20:39:02,029 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 1940) no Hoare annotation was computed. [2022-12-13 20:39:02,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1913) no Hoare annotation was computed. [2022-12-13 20:39:02,031 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:39:02,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:39:02,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:39:02 BoogieIcfgContainer [2022-12-13 20:39:02,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:39:02,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:39:02,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:39:02,040 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:39:02,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:56" (3/4) ... [2022-12-13 20:39:02,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:39:02,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 20:39:02,046 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 20:39:02,049 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 20:39:02,050 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:39:02,050 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:39:02,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:39:02,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:39:02,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:39:02,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:39:02,090 INFO L158 Benchmark]: Toolchain (without parser) took 251335.20ms. Allocated memory is still 86.0MB. Free memory was 59.8MB in the beginning and 36.1MB in the end (delta: 23.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,090 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:39:02,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.33ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 49.5MB in the end (delta: 10.1MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.46ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 45.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,091 INFO L158 Benchmark]: Boogie Preprocessor took 22.98ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,091 INFO L158 Benchmark]: RCFGBuilder took 4349.24ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 49.6MB in the end (delta: -7.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,091 INFO L158 Benchmark]: TraceAbstraction took 245407.42ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 39.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,091 INFO L158 Benchmark]: Witness Printer took 50.38ms. Allocated memory is still 86.0MB. Free memory was 39.7MB in the beginning and 36.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:39:02,092 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory is still 43.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.33ms. Allocated memory is still 86.0MB. Free memory was 59.6MB in the beginning and 49.5MB in the end (delta: 10.1MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.46ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 45.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.98ms. Allocated memory is still 86.0MB. Free memory was 45.3MB in the beginning and 42.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4349.24ms. Allocated memory is still 86.0MB. Free memory was 42.6MB in the beginning and 49.6MB in the end (delta: -7.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 245407.42ms. Allocated memory is still 86.0MB. Free memory was 49.0MB in the beginning and 39.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Witness Printer took 50.38ms. Allocated memory is still 86.0MB. Free memory was 39.7MB in the beginning and 36.1MB in the end (delta: 3.6MB). 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: 1856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1858]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1913]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1929]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 67 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 245.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 2005 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1284 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 721 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 54, 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, 11 MinimizatonAttempts, 94 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 49 PreInvPairs, 61 NumberOfFragments, 167 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 219.5s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 252 ConstructedInterpolants, 10 QuantifiedInterpolants, 809 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1172 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 40/40 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 10 specifications checked. All of them hold - InvariantResult [Line: 1941]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:39:02,299 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-13 20:39:02,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dc1936e-e786-4d00-b794-f6842943e8ca/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE