./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R --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 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:33:56,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:33:56,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:33:56,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:33:56,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:33:56,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:33:56,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:33:56,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:33:56,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:33:56,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:33:56,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:33:56,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:33:56,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:33:56,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:33:56,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:33:56,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:33:56,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:33:56,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:33:56,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:33:56,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:33:56,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:33:56,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:33:56,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:33:56,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:33:56,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:33:56,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:33:56,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:33:56,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:33:56,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:33:56,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:33:56,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:33:56,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:33:56,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:33:56,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:33:56,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:33:56,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:33:56,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:33:56,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:33:56,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:33:56,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:33:56,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:33:56,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:33:56,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:33:56,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:33:56,978 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:33:56,978 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:33:56,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:33:56,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:33:56,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:33:56,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:33:56,981 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:33:56,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:33:56,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:33:56,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:33:56,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:33:56,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:33:56,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:33:56,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:33:56,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:33:56,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:33:56,984 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:33:56,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:33:56,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:33:56,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:33:56,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:33:56,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:33:56,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:33:56,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:33:56,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:33:56,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:33:56,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:33:56,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:33:56,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:33:56,988 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:33:56,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:33:56,989 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_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2022-11-25 17:33:57,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:33:57,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:33:57,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:33:57,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:33:57,431 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:33:57,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2022-11-25 17:34:01,142 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:34:01,692 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:34:01,693 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2022-11-25 17:34:01,723 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/b8c70366b/4f9931b9e88b4f1a94c6541bc718560b/FLAG0d2b9faa4 [2022-11-25 17:34:01,744 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/b8c70366b/4f9931b9e88b4f1a94c6541bc718560b [2022-11-25 17:34:01,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:34:01,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:34:01,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:34:01,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:34:01,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:34:01,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:34:01" (1/1) ... [2022-11-25 17:34:01,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ac3d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:01, skipping insertion in model container [2022-11-25 17:34:01,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:34:01" (1/1) ... [2022-11-25 17:34:01,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:34:01,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:34:02,424 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:34:03,264 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:34:03,278 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:03,281 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:03,296 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:03,298 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:03,889 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:2302) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:196) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 17:34:03,900 INFO L158 Benchmark]: Toolchain (without parser) took 2148.97ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 133.3MB in the end (delta: 7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:34:03,901 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:34:03,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2145.91ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 133.3MB in the end (delta: 7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:34:03,904 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2145.91ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 133.3MB in the end (delta: 7.0MB). Peak memory consumption was 12.6MB. 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_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R --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 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:34:06,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:34:06,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:34:06,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:34:06,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:34:06,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:34:06,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:34:06,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:34:06,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:34:06,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:34:06,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:34:06,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:34:06,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:34:06,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:34:06,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:34:06,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:34:06,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:34:06,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:34:06,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:34:06,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:34:06,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:34:06,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:34:06,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:34:06,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:34:06,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:34:06,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:34:06,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:34:06,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:34:06,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:34:06,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:34:06,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:34:06,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:34:06,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:34:06,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:34:06,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:34:06,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:34:06,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:34:06,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:34:06,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:34:06,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:34:06,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:34:06,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-25 17:34:06,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:34:06,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:34:06,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:34:06,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:34:06,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:34:06,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:34:06,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:34:06,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:34:06,877 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:34:06,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:34:06,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:34:06,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:34:06,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:34:06,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:34:06,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:34:06,879 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:34:06,879 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:34:06,880 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:34:06,880 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:34:06,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:34:06,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:34:06,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:34:06,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:34:06,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:34:06,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:34:06,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:34:06,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:34:06,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:34:06,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:34:06,884 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:34:06,884 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:34:06,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:34:06,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:34:06,885 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:34:06,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:34:06,885 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:34:06,886 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_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2022-11-25 17:34:07,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:34:07,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:34:07,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:34:07,390 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:34:07,392 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:34:07,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2022-11-25 17:34:11,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:34:11,746 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:34:11,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2022-11-25 17:34:11,782 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/4a0c4a6da/0a90458d8c484f749ad31a23f5b0ab74/FLAGc068c2af4 [2022-11-25 17:34:11,814 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/data/4a0c4a6da/0a90458d8c484f749ad31a23f5b0ab74 [2022-11-25 17:34:11,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:34:11,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:34:11,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:34:11,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:34:11,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:34:11,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:34:11" (1/1) ... [2022-11-25 17:34:11,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aeedad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:11, skipping insertion in model container [2022-11-25 17:34:11,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:34:11" (1/1) ... [2022-11-25 17:34:11,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:34:11,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:34:12,560 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:34:13,275 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:34:13,282 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:13,284 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:13,287 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:13,288 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:13,875 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:34:13,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:34:13,901 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:34:13,935 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:34:14,072 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:34:14,074 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:14,076 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:34:14,078 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:14,079 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:34:14,097 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:34:14,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:34:14,455 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:34:14,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14 WrapperNode [2022-11-25 17:34:14,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:34:14,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:34:14,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:34:14,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:34:14,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,571 INFO L138 Inliner]: procedures = 946, calls = 81, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 163 [2022-11-25 17:34:14,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:34:14,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:34:14,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:34:14,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:34:14,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:34:14,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:34:14,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:34:14,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:34:14,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (1/1) ... [2022-11-25 17:34:14,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:34:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:34:14,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:34:14,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:34:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:34:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:34:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:34:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:34:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:34:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:34:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:34:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:34:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 17:34:14,968 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:34:14,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:34:25,522 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:34:25,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:34:25,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:34:25,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:34:25 BoogieIcfgContainer [2022-11-25 17:34:25,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:34:25,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:34:25,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:34:25,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:34:25,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:34:11" (1/3) ... [2022-11-25 17:34:25,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c46af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:34:25, skipping insertion in model container [2022-11-25 17:34:25,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:34:14" (2/3) ... [2022-11-25 17:34:25,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c46af63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:34:25, skipping insertion in model container [2022-11-25 17:34:25,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:34:25" (3/3) ... [2022-11-25 17:34:25,547 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_15_good.i [2022-11-25 17:34:25,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:34:25,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 17:34:25,648 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:34:25,658 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;@660acb82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:34:25,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 17:34:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 78 states have internal predecessors, (85), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-25 17:34:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:34:25,675 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:25,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:25,676 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)] === [2022-11-25 17:34:25,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:25,684 INFO L85 PathProgramCache]: Analyzing trace with hash -504175278, now seen corresponding path program 1 times [2022-11-25 17:34:25,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:25,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156823255] [2022-11-25 17:34:25,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:25,707 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 [2022-11-25 17:34:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:25,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:25,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 17:34:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:25,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:34:25,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:26,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:26,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:26,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156823255] [2022-11-25 17:34:26,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156823255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:26,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:26,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:26,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505990250] [2022-11-25 17:34:26,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:26,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:34:26,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:26,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:34:26,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:34:26,127 INFO L87 Difference]: Start difference. First operand has 83 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 78 states have internal predecessors, (85), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 10 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:28,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:28,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:28,841 INFO L93 Difference]: Finished difference Result 215 states and 304 transitions. [2022-11-25 17:34:28,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:34:28,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 17:34:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:28,867 INFO L225 Difference]: With dead ends: 215 [2022-11-25 17:34:28,867 INFO L226 Difference]: Without dead ends: 128 [2022-11-25 17:34:28,870 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 [2022-11-25 17:34:28,875 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 67 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:28,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 357 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-25 17:34:28,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-25 17:34:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 80. [2022-11-25 17:34:28,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 76 states have internal predecessors, (87), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-25 17:34:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 113 transitions. [2022-11-25 17:34:28,941 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 113 transitions. Word has length 14 [2022-11-25 17:34:28,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:28,942 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 113 transitions. [2022-11-25 17:34:28,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 113 transitions. [2022-11-25 17:34:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 17:34:28,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:28,945 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:28,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-25 17:34:29,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:29,163 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)] === [2022-11-25 17:34:29,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1032416043, now seen corresponding path program 1 times [2022-11-25 17:34:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:29,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405622952] [2022-11-25 17:34:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:29,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:29,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 17:34:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:29,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:29,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:29,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:29,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:29,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:29,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405622952] [2022-11-25 17:34:29,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405622952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:29,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:29,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:29,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045026760] [2022-11-25 17:34:29,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:29,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:29,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:29,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:29,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:29,373 INFO L87 Difference]: Start difference. First operand 80 states and 113 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:29,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:29,401 INFO L93 Difference]: Finished difference Result 134 states and 186 transitions. [2022-11-25 17:34:29,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:29,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 17:34:29,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:29,403 INFO L225 Difference]: With dead ends: 134 [2022-11-25 17:34:29,404 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 17:34:29,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:29,407 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:29,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 178 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:29,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 17:34:29,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-25 17:34:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.5) internal successors, (69), 63 states have internal predecessors, (69), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:34:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions. [2022-11-25 17:34:29,421 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 15 [2022-11-25 17:34:29,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:29,421 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 91 transitions. [2022-11-25 17:34:29,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2022-11-25 17:34:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 17:34:29,423 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:29,423 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:29,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:29,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:29,637 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:29,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:29,638 INFO L85 PathProgramCache]: Analyzing trace with hash 818989750, now seen corresponding path program 1 times [2022-11-25 17:34:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:29,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945053766] [2022-11-25 17:34:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:29,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:29,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:29,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:29,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 17:34:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:29,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:34:29,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:29,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:29,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:29,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945053766] [2022-11-25 17:34:29,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945053766] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:29,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:29,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:34:29,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857129317] [2022-11-25 17:34:29,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:29,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:34:29,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:29,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:34:29,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:34:29,838 INFO L87 Difference]: Start difference. First operand 67 states and 91 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:29,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:29,971 INFO L93 Difference]: Finished difference Result 123 states and 166 transitions. [2022-11-25 17:34:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:34:29,978 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 17:34:29,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:29,993 INFO L225 Difference]: With dead ends: 123 [2022-11-25 17:34:29,994 INFO L226 Difference]: Without dead ends: 67 [2022-11-25 17:34:29,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:34:29,996 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 57 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:29,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 188 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:34:30,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-25 17:34:30,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-25 17:34:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 63 states have internal predecessors, (68), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:34:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 90 transitions. [2022-11-25 17:34:30,023 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 90 transitions. Word has length 16 [2022-11-25 17:34:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:30,024 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 90 transitions. [2022-11-25 17:34:30,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-11-25 17:34:30,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 17:34:30,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:30,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:30,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:30,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:30,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash -384996259, now seen corresponding path program 1 times [2022-11-25 17:34:30,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:30,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028403539] [2022-11-25 17:34:30,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:30,232 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 [2022-11-25 17:34:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:30,242 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:30,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 17:34:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:30,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:34:30,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:30,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:30,532 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:30,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028403539] [2022-11-25 17:34:30,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028403539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:30,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:30,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:34:30,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355347228] [2022-11-25 17:34:30,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:30,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:34:30,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:30,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:34:30,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:34:30,537 INFO L87 Difference]: Start difference. First operand 67 states and 90 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:30,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:30,617 INFO L93 Difference]: Finished difference Result 67 states and 90 transitions. [2022-11-25 17:34:30,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:34:30,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-25 17:34:30,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:30,619 INFO L225 Difference]: With dead ends: 67 [2022-11-25 17:34:30,620 INFO L226 Difference]: Without dead ends: 64 [2022-11-25 17:34:30,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:34:30,622 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 53 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:30,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 267 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:30,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-25 17:34:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-25 17:34:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.4772727272727273) internal successors, (65), 60 states have internal predecessors, (65), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:34:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 87 transitions. [2022-11-25 17:34:30,634 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 87 transitions. Word has length 17 [2022-11-25 17:34:30,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:30,635 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 87 transitions. [2022-11-25 17:34:30,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-11-25 17:34:30,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 17:34:30,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:30,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:30,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:30,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:30,866 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:30,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:30,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1149251996, now seen corresponding path program 1 times [2022-11-25 17:34:30,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:30,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [46399667] [2022-11-25 17:34:30,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:30,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:30,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:30,872 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:30,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 17:34:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:30,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:30,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:30,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:30,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:30,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [46399667] [2022-11-25 17:34:30,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [46399667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:30,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:30,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:30,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766861372] [2022-11-25 17:34:30,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:30,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:30,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:30,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:30,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:30,984 INFO L87 Difference]: Start difference. First operand 64 states and 87 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:31,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:31,004 INFO L93 Difference]: Finished difference Result 115 states and 156 transitions. [2022-11-25 17:34:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:31,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 19 [2022-11-25 17:34:31,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:31,006 INFO L225 Difference]: With dead ends: 115 [2022-11-25 17:34:31,006 INFO L226 Difference]: Without dead ends: 64 [2022-11-25 17:34:31,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:31,009 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 4 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:31,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:31,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-25 17:34:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-25 17:34:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 59 states have internal predecessors, (64), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:34:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2022-11-25 17:34:31,019 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 19 [2022-11-25 17:34:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:31,020 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2022-11-25 17:34:31,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:34:31,020 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2022-11-25 17:34:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:34:31,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:31,021 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:31,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:31,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:31,237 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)] === [2022-11-25 17:34:31,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:31,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2065187038, now seen corresponding path program 1 times [2022-11-25 17:34:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:31,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365155775] [2022-11-25 17:34:31,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:31,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:31,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:31,241 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:31,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 17:34:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:31,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:31,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:34:31,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:31,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:31,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365155775] [2022-11-25 17:34:31,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365155775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:31,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:31,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:31,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707530294] [2022-11-25 17:34:31,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:31,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:31,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:31,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:31,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:31,378 INFO L87 Difference]: Start difference. First operand 64 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:34:31,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:31,400 INFO L93 Difference]: Finished difference Result 115 states and 155 transitions. [2022-11-25 17:34:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:31,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-25 17:34:31,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:31,402 INFO L225 Difference]: With dead ends: 115 [2022-11-25 17:34:31,403 INFO L226 Difference]: Without dead ends: 63 [2022-11-25 17:34:31,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:31,404 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:31,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:31,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-25 17:34:31,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-25 17:34:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 58 states have internal predecessors, (63), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 17:34:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 83 transitions. [2022-11-25 17:34:31,421 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 83 transitions. Word has length 23 [2022-11-25 17:34:31,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:31,422 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 83 transitions. [2022-11-25 17:34:31,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 17:34:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-25 17:34:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 17:34:31,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:31,428 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] [2022-11-25 17:34:31,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:31,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:31,629 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:31,629 INFO L85 PathProgramCache]: Analyzing trace with hash 459851977, now seen corresponding path program 1 times [2022-11-25 17:34:31,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:31,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701771666] [2022-11-25 17:34:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:31,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:31,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:31,632 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:31,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 17:34:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:31,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:34:31,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:34:31,805 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:31,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:31,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701771666] [2022-11-25 17:34:31,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701771666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:31,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:31,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:31,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663667700] [2022-11-25 17:34:31,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:31,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:34:31,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:31,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:34:31,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:34:31,809 INFO L87 Difference]: Start difference. First operand 63 states and 83 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2022-11-25 17:34:35,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:35,181 INFO L93 Difference]: Finished difference Result 135 states and 180 transitions. [2022-11-25 17:34:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:34:35,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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 [2022-11-25 17:34:35,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:35,194 INFO L225 Difference]: With dead ends: 135 [2022-11-25 17:34:35,194 INFO L226 Difference]: Without dead ends: 100 [2022-11-25 17:34:35,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:34:35,196 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 37 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:35,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 241 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-25 17:34:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-25 17:34:35,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 70. [2022-11-25 17:34:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 65 states have internal predecessors, (73), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 17:34:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2022-11-25 17:34:35,220 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 27 [2022-11-25 17:34:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:35,221 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2022-11-25 17:34:35,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 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) [2022-11-25 17:34:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-11-25 17:34:35,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 17:34:35,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:35,224 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] [2022-11-25 17:34:35,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:35,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:35,441 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:35,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1425828454, now seen corresponding path program 1 times [2022-11-25 17:34:35,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:35,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741888427] [2022-11-25 17:34:35,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:35,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:35,445 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:35,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:35,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:35,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:34:35,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:35,585 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:35,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741888427] [2022-11-25 17:34:35,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741888427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:35,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:35,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:35,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414411525] [2022-11-25 17:34:35,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:35,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:35,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:35,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:35,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:35,588 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2022-11-25 17:34:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:35,601 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2022-11-25 17:34:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:35,602 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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 [2022-11-25 17:34:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:35,603 INFO L225 Difference]: With dead ends: 106 [2022-11-25 17:34:35,603 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 17:34:35,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:35,605 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 1 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:35,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 142 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 17:34:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 17:34:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 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) [2022-11-25 17:34:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2022-11-25 17:34:35,614 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 73 transitions. Word has length 28 [2022-11-25 17:34:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:35,615 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 73 transitions. [2022-11-25 17:34:35,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 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) [2022-11-25 17:34:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-11-25 17:34:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-25 17:34:35,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:35,616 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] [2022-11-25 17:34:35,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:35,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:35,838 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)] === [2022-11-25 17:34:35,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:35,838 INFO L85 PathProgramCache]: Analyzing trace with hash -463752787, now seen corresponding path program 1 times [2022-11-25 17:34:35,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:35,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490523792] [2022-11-25 17:34:35,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:35,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:35,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:35,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:35,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 17:34:35,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:34:36,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:36,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:36,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490523792] [2022-11-25 17:34:36,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490523792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:36,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:36,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:34:36,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586154823] [2022-11-25 17:34:36,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:36,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:34:36,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:36,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:34:36,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:34:36,014 INFO L87 Difference]: Start difference. First operand 58 states and 73 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2022-11-25 17:34:36,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:36,132 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2022-11-25 17:34:36,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:34:36,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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 [2022-11-25 17:34:36,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:36,140 INFO L225 Difference]: With dead ends: 95 [2022-11-25 17:34:36,141 INFO L226 Difference]: Without dead ends: 58 [2022-11-25 17:34:36,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:34:36,142 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 37 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:36,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:34:36,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-25 17:34:36,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-25 17:34:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.302325581395349) internal successors, (56), 53 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) [2022-11-25 17:34:36,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-11-25 17:34:36,153 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 29 [2022-11-25 17:34:36,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:36,153 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2022-11-25 17:34:36,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 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) [2022-11-25 17:34:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-25 17:34:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 17:34:36,155 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:36,155 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, 1] [2022-11-25 17:34:36,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:36,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:36,378 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:36,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:36,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1495309200, now seen corresponding path program 1 times [2022-11-25 17:34:36,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:36,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1047191845] [2022-11-25 17:34:36,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:36,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:36,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:36,386 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:36,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:36,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:34:36,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:34:36,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:36,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:36,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1047191845] [2022-11-25 17:34:36,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1047191845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:36,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:36,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:34:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226014727] [2022-11-25 17:34:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:36,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:34:36,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:36,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:34:36,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:34:36,645 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:34:36,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:36,705 INFO L93 Difference]: Finished difference Result 58 states and 72 transitions. [2022-11-25 17:34:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:34:36,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 30 [2022-11-25 17:34:36,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:36,707 INFO L225 Difference]: With dead ends: 58 [2022-11-25 17:34:36,707 INFO L226 Difference]: Without dead ends: 55 [2022-11-25 17:34:36,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:34:36,708 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 33 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:36,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 220 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-25 17:34:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-25 17:34:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.2926829268292683) 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) [2022-11-25 17:34:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-11-25 17:34:36,719 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 30 [2022-11-25 17:34:36,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:36,719 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2022-11-25 17:34:36,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:34:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-11-25 17:34:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-25 17:34:36,721 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:36,721 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, 1, 1, 1, 1] [2022-11-25 17:34:36,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:36,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:36,939 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:36,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:36,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1493692139, now seen corresponding path program 1 times [2022-11-25 17:34:36,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:36,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245989450] [2022-11-25 17:34:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:36,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:36,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:36,941 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:36,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:34:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:37,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:37,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:34:37,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:37,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:37,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [245989450] [2022-11-25 17:34:37,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [245989450] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:37,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:37,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:37,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218855807] [2022-11-25 17:34:37,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:37,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:37,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:37,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:37,097 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:34:37,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:37,110 INFO L93 Difference]: Finished difference Result 87 states and 109 transitions. [2022-11-25 17:34:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:37,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 33 [2022-11-25 17:34:37,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:37,112 INFO L225 Difference]: With dead ends: 87 [2022-11-25 17:34:37,112 INFO L226 Difference]: Without dead ends: 53 [2022-11-25 17:34:37,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:37,114 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:37,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-25 17:34:37,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-25 17:34:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.25) internal successors, (50), 47 states have internal predecessors, (50), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:34:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2022-11-25 17:34:37,123 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 33 [2022-11-25 17:34:37,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:37,124 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2022-11-25 17:34:37,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 17:34:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2022-11-25 17:34:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 17:34:37,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:37,126 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] [2022-11-25 17:34:37,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:37,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:37,344 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:37,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1323013348, now seen corresponding path program 1 times [2022-11-25 17:34:37,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:37,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516270861] [2022-11-25 17:34:37,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:37,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:37,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:37,349 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:37,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (13)] Waiting until timeout for monitored process [2022-11-25 17:34:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:37,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:37,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:37,578 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:37,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:37,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516270861] [2022-11-25 17:34:37,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516270861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:37,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:37,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:34:37,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837208564] [2022-11-25 17:34:37,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:37,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:37,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:37,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:37,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:37,585 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:34:39,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:41,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-25 17:34:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:41,830 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2022-11-25 17:34:41,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:41,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2022-11-25 17:34:41,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:41,840 INFO L225 Difference]: With dead ends: 73 [2022-11-25 17:34:41,840 INFO L226 Difference]: Without dead ends: 71 [2022-11-25 17:34:41,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:41,841 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 16 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:41,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 123 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2022-11-25 17:34:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-25 17:34:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 57. [2022-11-25 17:34:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.25) internal successors, (55), 51 states have internal predecessors, (55), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:34:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-11-25 17:34:41,849 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 40 [2022-11-25 17:34:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:41,850 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-11-25 17:34:41,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:34:41,850 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-25 17:34:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 17:34:41,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:41,855 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] [2022-11-25 17:34:41,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (13)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:42,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,070 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:42,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1323072930, now seen corresponding path program 1 times [2022-11-25 17:34:42,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:42,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367159361] [2022-11-25 17:34:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:42,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:42,072 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:42,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (14)] Waiting until timeout for monitored process [2022-11-25 17:34:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:42,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:42,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:42,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:42,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:42,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367159361] [2022-11-25 17:34:42,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367159361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:42,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:42,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:42,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801973392] [2022-11-25 17:34:42,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:42,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:42,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:42,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:42,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:42,257 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:34:42,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:42,276 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2022-11-25 17:34:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:42,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 40 [2022-11-25 17:34:42,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:42,279 INFO L225 Difference]: With dead ends: 84 [2022-11-25 17:34:42,279 INFO L226 Difference]: Without dead ends: 57 [2022-11-25 17:34:42,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:42,284 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:42,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:42,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-25 17:34:42,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-25 17:34:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 50 states have internal predecessors, (54), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:34:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 68 transitions. [2022-11-25 17:34:42,303 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 68 transitions. Word has length 40 [2022-11-25 17:34:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:42,303 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 68 transitions. [2022-11-25 17:34:42,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-25 17:34:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2022-11-25 17:34:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 17:34:42,305 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:42,305 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-25 17:34:42,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (14)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:42,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,522 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:42,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:42,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1240684007, now seen corresponding path program 1 times [2022-11-25 17:34:42,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:42,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025025014] [2022-11-25 17:34:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:42,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:42,525 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:42,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (15)] Waiting until timeout for monitored process [2022-11-25 17:34:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:42,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:42,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:42,694 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:42,694 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:42,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025025014] [2022-11-25 17:34:42,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025025014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:42,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:42,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:42,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693178064] [2022-11-25 17:34:42,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:42,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:42,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:42,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:42,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:42,696 INFO L87 Difference]: Start difference. First operand 57 states and 68 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 17:34:42,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:42,709 INFO L93 Difference]: Finished difference Result 78 states and 93 transitions. [2022-11-25 17:34:42,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:42,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-11-25 17:34:42,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:42,714 INFO L225 Difference]: With dead ends: 78 [2022-11-25 17:34:42,715 INFO L226 Difference]: Without dead ends: 50 [2022-11-25 17:34:42,715 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 [2022-11-25 17:34:42,716 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:42,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:42,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-25 17:34:42,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-11-25 17:34:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 40 states have (on average 1.15) internal successors, (46), 44 states have internal predecessors, (46), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-25 17:34:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2022-11-25 17:34:42,723 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 44 [2022-11-25 17:34:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:42,726 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2022-11-25 17:34:42,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 17:34:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2022-11-25 17:34:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 17:34:42,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:42,730 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, 1, 1] [2022-11-25 17:34:42,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (15)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:42,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,945 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:42,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:42,945 INFO L85 PathProgramCache]: Analyzing trace with hash 10192726, now seen corresponding path program 1 times [2022-11-25 17:34:42,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:42,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [32572243] [2022-11-25 17:34:42,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:42,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:42,947 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:42,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (16)] Waiting until timeout for monitored process [2022-11-25 17:34:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:43,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:43,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:43,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:43,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:43,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [32572243] [2022-11-25 17:34:43,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [32572243] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:43,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:43,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:43,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996651957] [2022-11-25 17:34:43,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:43,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:43,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:43,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:43,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:43,109 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-25 17:34:43,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:43,119 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2022-11-25 17:34:43,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:43,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 46 [2022-11-25 17:34:43,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:43,121 INFO L225 Difference]: With dead ends: 65 [2022-11-25 17:34:43,121 INFO L226 Difference]: Without dead ends: 48 [2022-11-25 17:34:43,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:43,122 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:43,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:43,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-25 17:34:43,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-25 17:34:43,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 41 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:34:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2022-11-25 17:34:43,128 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 46 [2022-11-25 17:34:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:43,128 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2022-11-25 17:34:43,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-25 17:34:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2022-11-25 17:34:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 17:34:43,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:43,130 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:43,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (16)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:43,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:43,345 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash -459509782, now seen corresponding path program 1 times [2022-11-25 17:34:43,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:43,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1324484322] [2022-11-25 17:34:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:43,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:43,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:43,348 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:43,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (17)] Waiting until timeout for monitored process [2022-11-25 17:34:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:43,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:43,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:43,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:43,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:43,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1324484322] [2022-11-25 17:34:43,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1324484322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:43,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:43,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:34:43,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514973617] [2022-11-25 17:34:43,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:43,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:43,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:43,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:43,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:43,602 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-11-25 17:34:44,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:44,380 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-11-25 17:34:44,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:44,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 51 [2022-11-25 17:34:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:44,387 INFO L225 Difference]: With dead ends: 54 [2022-11-25 17:34:44,387 INFO L226 Difference]: Without dead ends: 48 [2022-11-25 17:34:44,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:44,388 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:44,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 100 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:34:44,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-25 17:34:44,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-25 17:34:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 41 states have internal predecessors, (42), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:34:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2022-11-25 17:34:44,399 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 51 [2022-11-25 17:34:44,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:44,400 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-11-25 17:34:44,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2022-11-25 17:34:44,400 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-11-25 17:34:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-25 17:34:44,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:34:44,402 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:44,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (17)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:44,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:44,616 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 17:34:44,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:34:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1358116648, now seen corresponding path program 1 times [2022-11-25 17:34:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:34:44,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585626267] [2022-11-25 17:34:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:34:44,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:44,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:34:44,619 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 17:34:44,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (18)] Waiting until timeout for monitored process [2022-11-25 17:34:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:34:44,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:34:44,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:34:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 17:34:44,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:34:44,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:34:44,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585626267] [2022-11-25 17:34:44,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585626267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:34:44,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:34:44,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:34:44,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832429606] [2022-11-25 17:34:44,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:34:44,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:34:44,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:34:44,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:34:44,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:44,873 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:34:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:34:44,880 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2022-11-25 17:34:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:34:44,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 52 [2022-11-25 17:34:44,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:34:44,887 INFO L225 Difference]: With dead ends: 52 [2022-11-25 17:34:44,887 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:34:44,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:34:44,888 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:34:44,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:34:44,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:34:44,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:34:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:34:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:34:44,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-11-25 17:34:44,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:34:44,891 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:34:44,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-11-25 17:34:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:34:44,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:34:44,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 17:34:44,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 17:34:44,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 17:34:44,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 17:34:44,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 17:34:44,898 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 17:34:44,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 17:34:44,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 17:34:44,899 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 17:34:44,900 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 17:34:44,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/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 (18)] Forceful destruction successful, exit code 0 [2022-11-25 17:34:45,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 17:34:45,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:34:45,332 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 17:34:45,332 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:34:45,332 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 17:34:45,332 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:34:45,332 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:34:45,332 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 17:34:45,332 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:34:45,333 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-25 17:34:45,333 INFO L899 garLoopResultBuilder]: For program point L1935(line 1935) no Hoare annotation was computed. [2022-11-25 17:34:45,333 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2022-11-25 17:34:45,333 INFO L895 garLoopResultBuilder]: At program point L1836(lines 1836 1844) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch176#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,333 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1911) no Hoare annotation was computed. [2022-11-25 17:34:45,333 INFO L899 garLoopResultBuilder]: For program point L1894(lines 1894 1919) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1851) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L895 garLoopResultBuilder]: At program point L1886(line 1886) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch181#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point L1853(line 1853) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point L1853-1(line 1853) no Hoare annotation was computed. [2022-11-25 17:34:45,334 INFO L899 garLoopResultBuilder]: For program point L1911(line 1911) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point L1878(line 1878) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point L1911-1(line 1911) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L895 garLoopResultBuilder]: At program point L1845(lines 1845 1861) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch177#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point L1903(line 1903) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1937) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1853) no Hoare annotation was computed. [2022-11-25 17:34:45,335 INFO L899 garLoopResultBuilder]: For program point L1920(lines 1920 1945) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L895 garLoopResultBuilder]: At program point L1854(line 1854) the Hoare annotation is: false [2022-11-25 17:34:45,336 INFO L895 garLoopResultBuilder]: At program point L1912(line 1912) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) |ULTIMATE.start_goodG2B1_#t~switch185#1|) [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1879(line 1879) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1879-1(line 1879) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1879-3(lines 1879 1887) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1937(line 1937) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1937-1(line 1937) no Hoare annotation was computed. [2022-11-25 17:34:45,336 INFO L899 garLoopResultBuilder]: For program point L1838(line 1838) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1937) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point L1929(line 1929) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point L1863(lines 1863 1893) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point L1946(lines 1946 1952) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point L1847(line 1847) no Hoare annotation was computed. [2022-11-25 17:34:45,337 INFO L902 garLoopResultBuilder]: At program point L1938(line 1938) the Hoare annotation is: true [2022-11-25 17:34:45,337 INFO L899 garLoopResultBuilder]: For program point L1872(line 1872) no Hoare annotation was computed. [2022-11-25 17:34:45,338 INFO L895 garLoopResultBuilder]: At program point L1930(line 1930) the Hoare annotation is: false [2022-11-25 17:34:45,338 INFO L899 garLoopResultBuilder]: For program point L1889(line 1889) no Hoare annotation was computed. [2022-11-25 17:34:45,338 INFO L899 garLoopResultBuilder]: For program point L1881(line 1881) no Hoare annotation was computed. [2022-11-25 17:34:45,338 INFO L895 garLoopResultBuilder]: At program point L1848(line 1848) the Hoare annotation is: false [2022-11-25 17:34:45,339 INFO L899 garLoopResultBuilder]: For program point L1881-1(line 1881) no Hoare annotation was computed. [2022-11-25 17:34:45,339 INFO L895 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: false [2022-11-25 17:34:45,340 INFO L895 garLoopResultBuilder]: At program point L1898(lines 1898 1906) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) |ULTIMATE.start_goodG2B1_#t~switch184#1|) [2022-11-25 17:34:45,340 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1862) no Hoare annotation was computed. [2022-11-25 17:34:45,340 INFO L902 garLoopResultBuilder]: At program point L1956(line 1956) the Hoare annotation is: true [2022-11-25 17:34:45,340 INFO L899 garLoopResultBuilder]: For program point L1956-1(line 1956) no Hoare annotation was computed. [2022-11-25 17:34:45,340 INFO L895 garLoopResultBuilder]: At program point L1890(line 1890) the Hoare annotation is: false [2022-11-25 17:34:45,341 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:34:45,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1881) no Hoare annotation was computed. [2022-11-25 17:34:45,341 INFO L899 garLoopResultBuilder]: For program point L1915(line 1915) no Hoare annotation was computed. [2022-11-25 17:34:45,341 INFO L895 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: false [2022-11-25 17:34:45,342 INFO L895 garLoopResultBuilder]: At program point L1907(lines 1907 1918) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) |ULTIMATE.start_goodG2B1_#t~switch185#1|) [2022-11-25 17:34:45,342 INFO L899 garLoopResultBuilder]: For program point L1841(line 1841) no Hoare annotation was computed. [2022-11-25 17:34:45,342 INFO L895 garLoopResultBuilder]: At program point L1924(lines 1924 1932) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) (= (_ bv2 32) |ULTIMATE.start_goodG2B2_~data~3#1|)) [2022-11-25 17:34:45,342 INFO L895 garLoopResultBuilder]: At program point L1858(line 1858) the Hoare annotation is: (and |ULTIMATE.start_goodB2G1_#t~switch177#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:34:45,343 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1881) no Hoare annotation was computed. [2022-11-25 17:34:45,343 INFO L895 garLoopResultBuilder]: At program point L1916(line 1916) the Hoare annotation is: false [2022-11-25 17:34:45,343 INFO L899 garLoopResultBuilder]: For program point L1850(line 1850) no Hoare annotation was computed. [2022-11-25 17:34:45,343 INFO L899 garLoopResultBuilder]: For program point L1941(line 1941) no Hoare annotation was computed. [2022-11-25 17:34:45,344 INFO L895 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: false [2022-11-25 17:34:45,344 INFO L902 garLoopResultBuilder]: At program point L1933(lines 1933 1944) the Hoare annotation is: true [2022-11-25 17:34:45,344 INFO L899 garLoopResultBuilder]: For program point L1900(line 1900) no Hoare annotation was computed. [2022-11-25 17:34:45,344 INFO L895 garLoopResultBuilder]: At program point L1867(lines 1867 1875) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch180#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,344 INFO L902 garLoopResultBuilder]: At program point L1958(line 1958) the Hoare annotation is: true [2022-11-25 17:34:45,345 INFO L899 garLoopResultBuilder]: For program point L1958-1(line 1958) no Hoare annotation was computed. [2022-11-25 17:34:45,345 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1853) no Hoare annotation was computed. [2022-11-25 17:34:45,345 INFO L899 garLoopResultBuilder]: For program point L1851(line 1851) no Hoare annotation was computed. [2022-11-25 17:34:45,345 INFO L899 garLoopResultBuilder]: For program point L1851-1(line 1851) no Hoare annotation was computed. [2022-11-25 17:34:45,345 INFO L899 garLoopResultBuilder]: For program point L1851-3(lines 1851 1859) no Hoare annotation was computed. [2022-11-25 17:34:45,346 INFO L902 garLoopResultBuilder]: At program point L1942(line 1942) the Hoare annotation is: true [2022-11-25 17:34:45,346 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2022-11-25 17:34:45,346 INFO L895 garLoopResultBuilder]: At program point L1876(lines 1876 1892) the Hoare annotation is: (and |ULTIMATE.start_goodB2G2_#t~switch181#1| (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 17:34:45,346 INFO L895 garLoopResultBuilder]: At program point L1901(line 1901) the Hoare annotation is: false [2022-11-25 17:34:45,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1911) no Hoare annotation was computed. [2022-11-25 17:34:45,347 INFO L902 garLoopResultBuilder]: At program point L1959(lines 1953 1960) the Hoare annotation is: true [2022-11-25 17:34:45,347 INFO L899 garLoopResultBuilder]: For program point L1926(line 1926) no Hoare annotation was computed. [2022-11-25 17:34:45,351 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:34:45,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:34:45,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:34:45 BoogieIcfgContainer [2022-11-25 17:34:45,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:34:45,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:34:45,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:34:45,379 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:34:45,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:34:25" (3/4) ... [2022-11-25 17:34:45,383 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:34:45,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 17:34:45,390 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 17:34:45,399 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-25 17:34:45,400 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:34:45,400 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:34:45,401 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:34:45,401 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:34:45,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:34:45,483 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:34:45,484 INFO L158 Benchmark]: Toolchain (without parser) took 33664.26ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 41.4MB in the beginning and 38.6MB in the end (delta: 2.8MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,484 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:34:45,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2631.71ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 41.2MB in the beginning and 63.3MB in the end (delta: -22.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.34ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 59.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,486 INFO L158 Benchmark]: Boogie Preprocessor took 94.45ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,486 INFO L158 Benchmark]: RCFGBuilder took 10868.06ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 37.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,487 INFO L158 Benchmark]: TraceAbstraction took 19839.89ms. Allocated memory is still 104.9MB. Free memory was 37.0MB in the beginning and 42.7MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:34:45,489 INFO L158 Benchmark]: Witness Printer took 104.32ms. Allocated memory is still 104.9MB. Free memory was 42.7MB in the beginning and 38.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:34:45,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2631.71ms. Allocated memory was 69.2MB in the beginning and 104.9MB in the end (delta: 35.7MB). Free memory was 41.2MB in the beginning and 63.3MB in the end (delta: -22.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.34ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 59.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.45ms. Allocated memory is still 104.9MB. Free memory was 59.2MB in the beginning and 57.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10868.06ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 37.9MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 19839.89ms. Allocated memory is still 104.9MB. Free memory was 37.0MB in the beginning and 42.7MB in the end (delta: -5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.32ms. Allocated memory is still 104.9MB. Free memory was 42.7MB in the beginning and 38.6MB in the end (delta: 4.2MB). 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: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: 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, 83 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 19.7s, OverallIterations: 17, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 11.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 2825 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1588 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1237 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 515 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 92 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 118 PreInvPairs, 138 NumberOfFragments, 93 HoareAnnotationTreeSize, 118 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 524 NumberOfCodeBlocks, 524 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 507 ConstructedInterpolants, 0 QuantifiedInterpolants, 569 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 108/108 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: 1924]: Loop Invariant Derived loop invariant: (2147483647bv32 == data && 2147483647bv32 == data) && 2bv32 == data - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: ((2147483647bv32 == data && 2147483647bv32 == data) && 2bv32 == data) && aux-switch(5) { case 6: printLine("Benign, fixed string"); break; default: data = 2; break; }-aux - InvariantResult [Line: 1867]: Loop Invariant Derived loop invariant: (aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647bv32 == data) && 2147483647bv32 == data - InvariantResult [Line: 1876]: Loop Invariant Derived loop invariant: (aux-switch(7) { case 7: if (data > (-0x7fffffff - 1) && abs(data) < (long)sqrt((double)0x7fffffff)) { int result = data * data; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647bv32 == data) && 2147483647bv32 == data - InvariantResult [Line: 1845]: Loop Invariant Derived loop invariant: aux-switch(8) { case 7: printLine("Benign, fixed string"); break; default: if (data > (-0x7fffffff - 1) && abs(data) < (long)sqrt((double)0x7fffffff)) { int result = data * data; printIntLine(result); } else { printLine("data value is too large to perform arithmetic safely."); } break; }-aux && 2147483647bv32 == data - InvariantResult [Line: 1953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1836]: Loop Invariant Derived loop invariant: aux-switch(6) { case 6: data = 0x7fffffff; break; default: printLine("Benign, fixed string"); break; }-aux && 2147483647bv32 == data - InvariantResult [Line: 1907]: Loop Invariant Derived loop invariant: (2147483647bv32 == data && 2147483647bv32 == data) && aux-switch(7) { case 7: { int result = data * data; printIntLine(result); } break; default: printLine("Benign, fixed string"); break; }-aux - InvariantResult [Line: 1933]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:34:45,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a5fcb51-7871-4a1c-b880-1f6894ad72f4/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE