./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS --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 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- 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-4e7fbc6 [2022-11-23 01:50:14,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:50:14,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:50:14,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:50:14,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:50:14,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:50:14,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:50:14,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:50:14,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:50:14,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:50:14,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:50:14,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:50:14,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:50:14,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:50:14,468 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:50:14,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:50:14,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:50:14,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:50:14,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:50:14,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:50:14,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:50:14,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:50:14,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:50:14,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:50:14,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:50:14,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:50:14,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:50:14,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:50:14,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:50:14,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:50:14,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:50:14,497 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:50:14,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:50:14,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:50:14,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:50:14,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:50:14,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:50:14,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:50:14,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:50:14,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:50:14,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:50:14,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 01:50:14,542 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:50:14,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:50:14,542 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:50:14,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:50:14,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:50:14,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:50:14,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:50:14,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:50:14,547 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:50:14,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:50:14,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:50:14,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:50:14,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:50:14,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:50:14,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:50:14,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:50:14,549 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:50:14,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:50:14,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:50:14,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:50:14,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:50:14,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:50:14,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:50:14,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:50:14,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:50:14,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:50:14,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:50:14,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:50:14,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 01:50:14,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:50:14,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:50:14,552 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:50:14,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:50:14,553 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_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2022-11-23 01:50:14,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:50:14,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:50:14,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:50:14,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:50:14,905 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:50:14,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2022-11-23 01:50:17,976 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:50:18,455 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:50:18,458 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2022-11-23 01:50:18,494 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/e88f62c43/8947ce2941f0468699040488eaeb0708/FLAGd5ac5b2d3 [2022-11-23 01:50:18,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/e88f62c43/8947ce2941f0468699040488eaeb0708 [2022-11-23 01:50:18,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:50:18,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:50:18,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:50:18,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:50:18,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:50:18,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:18" (1/1) ... [2022-11-23 01:50:18,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4af83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:18, skipping insertion in model container [2022-11-23 01:50:18,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:18" (1/1) ... [2022-11-23 01:50:18,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:50:18,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:50:19,074 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 01:50:20,343 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:2056) 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:1463) 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:1638) 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:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1669) 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:1087) 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:1489) 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:3313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) 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) [2022-11-23 01:50:20,347 INFO L158 Benchmark]: Toolchain (without parser) took 1824.43ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 93.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 01:50:20,348 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:50:20,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1819.11ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 93.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 01:50:20,350 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 111.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1819.11ms. Allocated memory is still 151.0MB. Free memory was 117.5MB in the beginning and 93.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS --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 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 --- 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-4e7fbc6 [2022-11-23 01:50:22,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:50:22,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:50:22,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:50:22,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:50:22,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:50:22,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:50:22,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:50:22,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:50:22,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:50:22,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:50:22,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:50:22,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:50:22,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:50:22,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:50:22,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:50:22,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:50:22,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:50:22,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:50:22,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:50:22,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:50:22,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:50:22,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:50:22,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:50:22,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:50:22,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:50:22,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:50:22,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:50:22,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:50:22,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:50:22,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:50:22,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:50:22,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:50:22,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:50:22,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:50:22,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:50:22,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:50:22,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:50:22,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:50:22,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:50:22,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:50:22,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-23 01:50:22,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:50:22,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:50:22,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:50:22,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:50:22,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 01:50:22,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 01:50:22,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:50:22,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:50:22,582 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:50:22,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:50:22,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:50:22,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:50:22,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 01:50:22,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 01:50:22,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 01:50:22,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 01:50:22,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 01:50:22,584 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 01:50:22,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 01:50:22,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:50:22,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:50:22,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 01:50:22,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:50:22,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:50:22,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 01:50:22,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:50:22,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:50:22,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 01:50:22,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 01:50:22,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 01:50:22,587 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-23 01:50:22,588 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_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f46a7923f3a8b9cf16215c4b50a3d95784a7abff33a0908c32d2e017fb37334 [2022-11-23 01:50:22,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:50:22,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:50:22,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:50:22,904 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:50:22,904 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:50:22,905 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2022-11-23 01:50:25,835 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:50:26,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:50:26,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_good.i [2022-11-23 01:50:26,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/5ebd03cde/47d6011f34734ba9aa7464ab7fcf91b9/FLAGf10f39b63 [2022-11-23 01:50:26,315 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/data/5ebd03cde/47d6011f34734ba9aa7464ab7fcf91b9 [2022-11-23 01:50:26,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:50:26,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:50:26,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:50:26,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:50:26,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:50:26,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:26" (1/1) ... [2022-11-23 01:50:26,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a159008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:26, skipping insertion in model container [2022-11-23 01:50:26,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:26" (1/1) ... [2022-11-23 01:50:26,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:50:26,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:50:26,874 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 01:50:27,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:50:27,796 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:50:27,816 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 01:50:27,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:50:28,164 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:50:28,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28 WrapperNode [2022-11-23 01:50:28,164 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:50:28,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:50:28,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:50:28,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:50:28,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,228 INFO L138 Inliner]: procedures = 949, calls = 93, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 147 [2022-11-23 01:50:28,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:50:28,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:50:28,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:50:28,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:50:28,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:50:28,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:50:28,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:50:28,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:50:28,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (1/1) ... [2022-11-23 01:50:28,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 01:50:28,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:28,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:28,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 01:50:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 01:50:28,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 01:50:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:50:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:50:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:50:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-11-23 01:50:28,336 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-11-23 01:50:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:50:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 01:50:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 01:50:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 01:50:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 01:50:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 01:50:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:50:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 01:50:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-11-23 01:50:28,337 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-11-23 01:50:28,493 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:50:28,494 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:50:35,335 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:50:35,341 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:50:35,341 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 01:50:35,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:35 BoogieIcfgContainer [2022-11-23 01:50:35,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:50:35,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 01:50:35,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 01:50:35,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 01:50:35,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:50:26" (1/3) ... [2022-11-23 01:50:35,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5fb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:50:35, skipping insertion in model container [2022-11-23 01:50:35,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:28" (2/3) ... [2022-11-23 01:50:35,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bb5fb11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:50:35, skipping insertion in model container [2022-11-23 01:50:35,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:35" (3/3) ... [2022-11-23 01:50:35,351 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_08_good.i [2022-11-23 01:50:35,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 01:50:35,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-23 01:50:35,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 01:50:35,421 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;@d549791, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 01:50:35,421 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-23 01:50:35,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 65 states have internal predecessors, (71), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-23 01:50:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 01:50:35,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:35,433 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:35,434 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)] === [2022-11-23 01:50:35,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:35,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2056652973, now seen corresponding path program 1 times [2022-11-23 01:50:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:50:35,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1376011360] [2022-11-23 01:50:35,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:35,450 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 [2022-11-23 01:50:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:50:35,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:50:35,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:35,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:50:35,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:35,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:50:35,715 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:50:35,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1376011360] [2022-11-23 01:50:35,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1376011360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:50:35,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:50:35,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:50:35,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782465594] [2022-11-23 01:50:35,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:50:35,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:50:35,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:50:35,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:50:35,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:50:35,793 INFO L87 Difference]: Start difference. First operand has 81 states, 46 states have (on average 1.5434782608695652) internal successors, (71), 65 states have internal predecessors, (71), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 01:50:35,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:35,899 INFO L93 Difference]: Finished difference Result 153 states and 208 transitions. [2022-11-23 01:50:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:50:35,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-23 01:50:35,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:50:35,913 INFO L225 Difference]: With dead ends: 153 [2022-11-23 01:50:35,913 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 01:50:35,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:50:35,919 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:50:35,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 317 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:50:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 01:50:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-23 01:50:35,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 58 states have internal predecessors, (63), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:50:35,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2022-11-23 01:50:35,963 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 20 [2022-11-23 01:50:35,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:50:35,964 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2022-11-23 01:50:35,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 01:50:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-11-23 01:50:35,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 01:50:35,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:35,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:35,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:36,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:36,167 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)] === [2022-11-23 01:50:36,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:36,169 INFO L85 PathProgramCache]: Analyzing trace with hash -172479118, now seen corresponding path program 1 times [2022-11-23 01:50:36,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:50:36,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626180265] [2022-11-23 01:50:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:36,170 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 [2022-11-23 01:50:36,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:50:36,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:50:36,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:36,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:50:36,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:36,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:50:36,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:50:36,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626180265] [2022-11-23 01:50:36,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626180265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:50:36,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:50:36,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:50:36,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564552637] [2022-11-23 01:50:36,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:50:36,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:50:36,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:50:36,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:50:36,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:50:36,393 INFO L87 Difference]: Start difference. First operand 73 states and 99 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-23 01:50:37,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 01:50:37,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:37,997 INFO L93 Difference]: Finished difference Result 74 states and 101 transitions. [2022-11-23 01:50:38,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:50:38,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 22 [2022-11-23 01:50:38,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:50:38,005 INFO L225 Difference]: With dead ends: 74 [2022-11-23 01:50:38,005 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 01:50:38,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:50:38,007 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 3 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-23 01:50:38,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 273 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-23 01:50:38,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 01:50:38,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2022-11-23 01:50:38,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 57 states have internal predecessors, (62), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:50:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 98 transitions. [2022-11-23 01:50:38,020 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 98 transitions. Word has length 22 [2022-11-23 01:50:38,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:50:38,020 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 98 transitions. [2022-11-23 01:50:38,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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) [2022-11-23 01:50:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2022-11-23 01:50:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 01:50:38,021 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:38,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:38,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:38,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:38,223 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:50:38,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:38,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1051881251, now seen corresponding path program 1 times [2022-11-23 01:50:38,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:50:38,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910964753] [2022-11-23 01:50:38,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:38,225 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 [2022-11-23 01:50:38,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:50:38,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:50:38,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:38,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:50:38,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:38,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:50:38,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:50:38,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910964753] [2022-11-23 01:50:38,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910964753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:50:38,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:50:38,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:50:38,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253619322] [2022-11-23 01:50:38,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:50:38,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:50:38,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:50:38,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:50:38,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:50:38,379 INFO L87 Difference]: Start difference. First operand 72 states and 98 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, (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) [2022-11-23 01:50:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:38,416 INFO L93 Difference]: Finished difference Result 129 states and 172 transitions. [2022-11-23 01:50:38,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:50:38,424 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, (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 23 [2022-11-23 01:50:38,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:50:38,426 INFO L225 Difference]: With dead ends: 129 [2022-11-23 01:50:38,426 INFO L226 Difference]: Without dead ends: 73 [2022-11-23 01:50:38,426 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 [2022-11-23 01:50:38,427 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:50:38,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 188 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:50:38,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-23 01:50:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-23 01:50:38,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 42 states have (on average 1.5) internal successors, (63), 58 states have internal predecessors, (63), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:50:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 99 transitions. [2022-11-23 01:50:38,437 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 99 transitions. Word has length 23 [2022-11-23 01:50:38,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:50:38,438 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 99 transitions. [2022-11-23 01:50:38,438 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, (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) [2022-11-23 01:50:38,438 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-11-23 01:50:38,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 01:50:38,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:50:38,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:50:38,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:38,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:50:38,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:50:38,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:38,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1751294676, now seen corresponding path program 1 times [2022-11-23 01:50:38,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:50:38,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1053715780] [2022-11-23 01:50:38,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:38,668 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 [2022-11-23 01:50:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:50:38,677 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:50:38,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:51:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:51:29,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 01:51:29,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:51:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:51:31,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:51:31,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:51:31,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1053715780] [2022-11-23 01:51:31,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1053715780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:51:31,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:51:31,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:51:31,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640311475] [2022-11-23 01:51:31,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:51:31,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:51:31,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:51:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:51:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:51:31,074 INFO L87 Difference]: Start difference. First operand 73 states and 99 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-23 01:51:34,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 01:51:36,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:51:36,320 INFO L93 Difference]: Finished difference Result 171 states and 236 transitions. [2022-11-23 01:51:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:51:36,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 24 [2022-11-23 01:51:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:51:36,324 INFO L225 Difference]: With dead ends: 171 [2022-11-23 01:51:36,324 INFO L226 Difference]: Without dead ends: 117 [2022-11-23 01:51:36,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:51:36,325 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 47 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:51:36,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 450 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 98 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-23 01:51:36,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-23 01:51:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 78. [2022-11-23 01:51:36,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 47 states have (on average 1.446808510638298) internal successors, (68), 61 states have internal predecessors, (68), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 01:51:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2022-11-23 01:51:36,347 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 24 [2022-11-23 01:51:36,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:51:36,349 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2022-11-23 01:51:36,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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) [2022-11-23 01:51:36,352 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2022-11-23 01:51:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 01:51:36,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:51:36,354 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 01:51:36,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:51:36,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:51:36,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:51:36,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:51:36,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1544439809, now seen corresponding path program 1 times [2022-11-23 01:51:36,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:51:36,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950125731] [2022-11-23 01:51:36,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:51:36,570 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 [2022-11-23 01:51:36,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:51:36,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:51:36,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:31,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:52:31,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:52:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:52:33,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:52:33,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:52:33,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950125731] [2022-11-23 01:52:33,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950125731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:33,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:33,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:52:33,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796100342] [2022-11-23 01:52:33,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:33,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:52:33,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:52:33,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:52:33,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:52:33,563 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-23 01:52:35,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:35,858 INFO L93 Difference]: Finished difference Result 117 states and 164 transitions. [2022-11-23 01:52:35,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:52:35,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 25 [2022-11-23 01:52:35,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:35,860 INFO L225 Difference]: With dead ends: 117 [2022-11-23 01:52:35,861 INFO L226 Difference]: Without dead ends: 116 [2022-11-23 01:52:35,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:52:35,862 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 43 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:35,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 369 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-23 01:52:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-23 01:52:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 77. [2022-11-23 01:52:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.425531914893617) internal successors, (67), 60 states have internal predecessors, (67), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 16 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 01:52:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2022-11-23 01:52:35,873 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 25 [2022-11-23 01:52:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:35,873 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2022-11-23 01:52:35,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-23 01:52:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2022-11-23 01:52:35,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-23 01:52:35,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:35,875 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-23 01:52:35,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:52:36,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,093 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)] === [2022-11-23 01:52:36,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:36,093 INFO L85 PathProgramCache]: Analyzing trace with hash -53617840, now seen corresponding path program 1 times [2022-11-23 01:52:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:52:36,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102115549] [2022-11-23 01:52:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:36,094 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 [2022-11-23 01:52:36,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:52:36,095 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:52:36,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:36,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:52:36,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:52:36,240 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 01:52:36,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:52:36,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:52:36,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102115549] [2022-11-23 01:52:36,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102115549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:36,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:36,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:52:36,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297483233] [2022-11-23 01:52:36,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:36,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:52:36,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:52:36,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:52:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:52:36,247 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 01:52:36,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:36,268 INFO L93 Difference]: Finished difference Result 128 states and 171 transitions. [2022-11-23 01:52:36,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:52:36,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2022-11-23 01:52:36,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:36,272 INFO L225 Difference]: With dead ends: 128 [2022-11-23 01:52:36,274 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 01:52:36,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:52:36,275 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:36,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:52:36,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 01:52:36,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-23 01:52:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 59 states have internal predecessors, (65), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:52:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 101 transitions. [2022-11-23 01:52:36,289 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 101 transitions. Word has length 38 [2022-11-23 01:52:36,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:36,289 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 101 transitions. [2022-11-23 01:52:36,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 01:52:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2022-11-23 01:52:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 01:52:36,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:36,291 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1] [2022-11-23 01:52:36,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,516 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)] === [2022-11-23 01:52:36,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:36,517 INFO L85 PathProgramCache]: Analyzing trace with hash -939298762, now seen corresponding path program 1 times [2022-11-23 01:52:36,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:52:36,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055251284] [2022-11-23 01:52:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:36,518 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 [2022-11-23 01:52:36,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:52:36,519 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:52:36,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:36,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:52:36,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:52:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 01:52:36,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:52:36,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:52:36,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055251284] [2022-11-23 01:52:36,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055251284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:36,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:36,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:52:36,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676303873] [2022-11-23 01:52:36,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:36,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:52:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:52:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:52:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:52:36,630 INFO L87 Difference]: Start difference. First operand 76 states and 101 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 01:52:36,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:36,672 INFO L93 Difference]: Finished difference Result 121 states and 157 transitions. [2022-11-23 01:52:36,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:52:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2022-11-23 01:52:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:36,674 INFO L225 Difference]: With dead ends: 121 [2022-11-23 01:52:36,674 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 01:52:36,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:52:36,676 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:36,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:52:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 01:52:36,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-23 01:52:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 59 states have internal predecessors, (64), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:52:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2022-11-23 01:52:36,687 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 40 [2022-11-23 01:52:36,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:36,687 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2022-11-23 01:52:36,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-23 01:52:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2022-11-23 01:52:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 01:52:36,689 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:36,689 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2022-11-23 01:52:36,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-11-23 01:52:36,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:36,902 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)] === [2022-11-23 01:52:36,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -787019941, now seen corresponding path program 1 times [2022-11-23 01:52:36,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:52:36,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720459530] [2022-11-23 01:52:36,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:36,903 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 [2022-11-23 01:52:36,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:52:36,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:52:36,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:37,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:52:37,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:52:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 01:52:37,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:52:37,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:52:37,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720459530] [2022-11-23 01:52:37,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720459530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:37,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:37,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:52:37,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346385723] [2022-11-23 01:52:37,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:37,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:52:37,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:52:37,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:52:37,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:52:37,055 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:52:38,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:38,621 INFO L93 Difference]: Finished difference Result 77 states and 102 transitions. [2022-11-23 01:52:38,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:52:38,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2022-11-23 01:52:38,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:38,628 INFO L225 Difference]: With dead ends: 77 [2022-11-23 01:52:38,628 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 01:52:38,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:52:38,629 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 3 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:38,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 252 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 01:52:38,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 01:52:38,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-11-23 01:52:38,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 58 states have internal predecessors, (63), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:52:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2022-11-23 01:52:38,637 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 42 [2022-11-23 01:52:38,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:38,637 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2022-11-23 01:52:38,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:52:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2022-11-23 01:52:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-23 01:52:38,639 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:38,639 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1] [2022-11-23 01:52:38,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:38,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:38,848 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:52:38,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:38,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1372189756, now seen corresponding path program 1 times [2022-11-23 01:52:38,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:52:38,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007343626] [2022-11-23 01:52:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:38,849 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 [2022-11-23 01:52:38,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:52:38,856 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:52:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:52:38,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:52:38,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:52:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 01:52:39,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:52:39,004 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:52:39,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007343626] [2022-11-23 01:52:39,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1007343626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:52:39,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:52:39,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:52:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048280192] [2022-11-23 01:52:39,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:52:39,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:52:39,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:52:39,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:52:39,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:52:39,006 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:52:39,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:52:39,028 INFO L93 Difference]: Finished difference Result 114 states and 145 transitions. [2022-11-23 01:52:39,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:52:39,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2022-11-23 01:52:39,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:52:39,030 INFO L225 Difference]: With dead ends: 114 [2022-11-23 01:52:39,030 INFO L226 Difference]: Without dead ends: 76 [2022-11-23 01:52:39,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:52:39,031 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:52:39,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:52:39,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-23 01:52:39,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-23 01:52:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 59 states have internal predecessors, (64), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:52:39,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 100 transitions. [2022-11-23 01:52:39,039 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 100 transitions. Word has length 43 [2022-11-23 01:52:39,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:52:39,039 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 100 transitions. [2022-11-23 01:52:39,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:52:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2022-11-23 01:52:39,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 01:52:39,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:52:39,041 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1] [2022-11-23 01:52:39,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:39,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:52:39,255 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:52:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:52:39,256 INFO L85 PathProgramCache]: Analyzing trace with hash -411915395, now seen corresponding path program 1 times [2022-11-23 01:52:39,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:52:39,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222978623] [2022-11-23 01:52:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:52:39,256 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 [2022-11-23 01:52:39,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:52:39,259 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:52:39,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:53:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:53:29,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 01:53:29,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:53:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 01:53:31,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:53:31,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:53:31,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222978623] [2022-11-23 01:53:31,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222978623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:53:31,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:53:31,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 01:53:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515827197] [2022-11-23 01:53:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:53:31,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 01:53:31,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:53:31,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 01:53:31,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 01:53:31,173 INFO L87 Difference]: Start difference. First operand 76 states and 100 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:53:34,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 01:53:36,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:53:36,166 INFO L93 Difference]: Finished difference Result 137 states and 179 transitions. [2022-11-23 01:53:36,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 01:53:36,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2022-11-23 01:53:36,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:53:36,168 INFO L225 Difference]: With dead ends: 137 [2022-11-23 01:53:36,168 INFO L226 Difference]: Without dead ends: 101 [2022-11-23 01:53:36,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-23 01:53:36,169 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 29 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:53:36,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 498 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 80 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 01:53:36,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-23 01:53:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 81. [2022-11-23 01:53:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 62 states have internal predecessors, (69), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 01:53:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 107 transitions. [2022-11-23 01:53:36,176 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 107 transitions. Word has length 44 [2022-11-23 01:53:36,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:53:36,177 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 107 transitions. [2022-11-23 01:53:36,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:53:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2022-11-23 01:53:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-23 01:53:36,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:53:36,179 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2022-11-23 01:53:36,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:53:36,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:53:36,396 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 01:53:36,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:53:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash 115524766, now seen corresponding path program 1 times [2022-11-23 01:53:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:53:36,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177458077] [2022-11-23 01:53:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:53:36,397 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 [2022-11-23 01:53:36,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:53:36,398 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:53:36,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:29,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:54:29,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 01:54:31,293 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:31,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:31,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177458077] [2022-11-23 01:54:31,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177458077] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:31,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:31,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:31,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89905887] [2022-11-23 01:54:31,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:31,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 01:54:31,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:31,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:54:31,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:54:31,295 INFO L87 Difference]: Start difference. First operand 81 states and 107 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:54:33,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:33,602 INFO L93 Difference]: Finished difference Result 101 states and 135 transitions. [2022-11-23 01:54:33,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 01:54:33,603 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 45 [2022-11-23 01:54:33,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:33,604 INFO L225 Difference]: With dead ends: 101 [2022-11-23 01:54:33,604 INFO L226 Difference]: Without dead ends: 100 [2022-11-23 01:54:33,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 01:54:33,605 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 25 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:33,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 403 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 01:54:33,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-11-23 01:54:33,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 80. [2022-11-23 01:54:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 61 states have internal predecessors, (68), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 01:54:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 106 transitions. [2022-11-23 01:54:33,612 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 106 transitions. Word has length 45 [2022-11-23 01:54:33,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:33,612 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 106 transitions. [2022-11-23 01:54:33,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-23 01:54:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 106 transitions. [2022-11-23 01:54:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 01:54:33,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:33,614 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:33,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:33,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:33,831 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)] === [2022-11-23 01:54:33,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:33,831 INFO L85 PathProgramCache]: Analyzing trace with hash 117046328, now seen corresponding path program 1 times [2022-11-23 01:54:33,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:33,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223406057] [2022-11-23 01:54:33,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:33,832 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 [2022-11-23 01:54:33,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:33,832 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:33,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:33,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:54:33,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 01:54:34,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:34,023 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:34,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223406057] [2022-11-23 01:54:34,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223406057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:34,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:34,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:34,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235472663] [2022-11-23 01:54:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:34,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:34,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:34,026 INFO L87 Difference]: Start difference. First operand 80 states and 106 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 01:54:34,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:34,058 INFO L93 Difference]: Finished difference Result 113 states and 144 transitions. [2022-11-23 01:54:34,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:54:34,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2022-11-23 01:54:34,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:34,061 INFO L225 Difference]: With dead ends: 113 [2022-11-23 01:54:34,061 INFO L226 Difference]: Without dead ends: 80 [2022-11-23 01:54:34,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:34,063 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:34,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 251 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:54:34,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-23 01:54:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-23 01:54:34,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 60 states have internal predecessors, (66), 19 states have call successors, (19), 4 states have call predecessors, (19), 4 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-23 01:54:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 104 transitions. [2022-11-23 01:54:34,079 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 104 transitions. Word has length 52 [2022-11-23 01:54:34,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:34,080 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 104 transitions. [2022-11-23 01:54:34,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-23 01:54:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 104 transitions. [2022-11-23 01:54:34,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-23 01:54:34,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:34,083 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:34,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:34,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:34,298 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)] === [2022-11-23 01:54:34,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1510650722, now seen corresponding path program 1 times [2022-11-23 01:54:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:34,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792590970] [2022-11-23 01:54:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:34,299 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 [2022-11-23 01:54:34,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:34,299 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:34,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:34,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:54:34,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-23 01:54:34,472 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:34,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:34,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792590970] [2022-11-23 01:54:34,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792590970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:34,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:34,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:54:34,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734963467] [2022-11-23 01:54:34,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:34,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:54:34,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:54:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:54:34,476 INFO L87 Difference]: Start difference. First operand 80 states and 104 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 01:54:36,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 01:54:36,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:36,968 INFO L93 Difference]: Finished difference Result 96 states and 125 transitions. [2022-11-23 01:54:36,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:54:36,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 59 [2022-11-23 01:54:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:36,975 INFO L225 Difference]: With dead ends: 96 [2022-11-23 01:54:36,975 INFO L226 Difference]: Without dead ends: 94 [2022-11-23 01:54:36,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:54:36,976 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 10 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:36,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 172 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 01:54:36,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-23 01:54:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2022-11-23 01:54:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.25) internal successors, (70), 62 states have internal predecessors, (70), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-23 01:54:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 110 transitions. [2022-11-23 01:54:36,982 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 110 transitions. Word has length 59 [2022-11-23 01:54:36,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:36,982 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 110 transitions. [2022-11-23 01:54:36,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-23 01:54:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2022-11-23 01:54:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-23 01:54:36,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:36,984 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:37,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:37,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:37,192 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)] === [2022-11-23 01:54:37,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash -21471766, now seen corresponding path program 1 times [2022-11-23 01:54:37,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:37,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1154624056] [2022-11-23 01:54:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:37,193 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 [2022-11-23 01:54:37,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:37,193 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:37,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:37,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:54:37,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 01:54:37,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:37,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:37,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1154624056] [2022-11-23 01:54:37,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1154624056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:37,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:37,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:37,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631191963] [2022-11-23 01:54:37,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:37,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:37,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:37,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:37,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:37,375 INFO L87 Difference]: Start difference. First operand 84 states and 110 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 01:54:37,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:37,391 INFO L93 Difference]: Finished difference Result 104 states and 131 transitions. [2022-11-23 01:54:37,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:54:37,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2022-11-23 01:54:37,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:37,394 INFO L225 Difference]: With dead ends: 104 [2022-11-23 01:54:37,394 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 01:54:37,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:37,395 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:37,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 240 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:54:37,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 01:54:37,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 01:54:37,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 57 states have internal predecessors, (63), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:54:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-11-23 01:54:37,405 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 64 [2022-11-23 01:54:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:37,405 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-11-23 01:54:37,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-23 01:54:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-11-23 01:54:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 01:54:37,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:37,408 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:37,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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)] Ended with exit code 0 [2022-11-23 01:54:37,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:37,623 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)] === [2022-11-23 01:54:37,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:37,623 INFO L85 PathProgramCache]: Analyzing trace with hash -514660765, now seen corresponding path program 1 times [2022-11-23 01:54:37,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:37,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946470042] [2022-11-23 01:54:37,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:37,624 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 [2022-11-23 01:54:37,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:37,625 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:37,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:37,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:54:37,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-23 01:54:37,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:37,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:37,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946470042] [2022-11-23 01:54:37,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946470042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:37,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:37,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:37,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579435384] [2022-11-23 01:54:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:37,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:37,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:37,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:37,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:37,805 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 01:54:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:37,826 INFO L93 Difference]: Finished difference Result 89 states and 112 transitions. [2022-11-23 01:54:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:54:37,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2022-11-23 01:54:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:37,828 INFO L225 Difference]: With dead ends: 89 [2022-11-23 01:54:37,828 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 01:54:37,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:37,829 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:37,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:54:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 01:54:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 01:54:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.169811320754717) internal successors, (62), 56 states have internal predecessors, (62), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:54:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-11-23 01:54:37,834 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 70 [2022-11-23 01:54:37,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:37,835 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-11-23 01:54:37,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-23 01:54:37,835 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-11-23 01:54:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 01:54:37,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:37,836 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:37,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,050 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)] === [2022-11-23 01:54:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:38,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1339830498, now seen corresponding path program 1 times [2022-11-23 01:54:38,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:38,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1467190948] [2022-11-23 01:54:38,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:38,051 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 [2022-11-23 01:54:38,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:38,052 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:38,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:38,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 01:54:38,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:38,272 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-11-23 01:54:38,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:38,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:38,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1467190948] [2022-11-23 01:54:38,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1467190948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:38,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:38,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:54:38,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140668351] [2022-11-23 01:54:38,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:38,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 01:54:38,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:38,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:54:38,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:38,275 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 01:54:38,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:38,297 INFO L93 Difference]: Finished difference Result 86 states and 106 transitions. [2022-11-23 01:54:38,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:54:38,297 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 76 [2022-11-23 01:54:38,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:38,298 INFO L225 Difference]: With dead ends: 86 [2022-11-23 01:54:38,298 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 01:54:38,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:54:38,299 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:38,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 01:54:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 01:54:38,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 01:54:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.150943396226415) internal successors, (61), 56 states have internal predecessors, (61), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 01:54:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2022-11-23 01:54:38,305 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 76 [2022-11-23 01:54:38,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:38,306 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2022-11-23 01:54:38,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 01:54:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2022-11-23 01:54:38,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 01:54:38,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 01:54:38,307 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:38,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,523 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)] === [2022-11-23 01:54:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:54:38,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1180129436, now seen corresponding path program 1 times [2022-11-23 01:54:38,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-23 01:54:38,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465157498] [2022-11-23 01:54:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:54:38,524 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 [2022-11-23 01:54:38,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/mathsat [2022-11-23 01:54:38,525 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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) [2022-11-23 01:54:38,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:54:38,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:54:38,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:54:38,714 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-23 01:54:38,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 01:54:38,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-23 01:54:38,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465157498] [2022-11-23 01:54:38,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465157498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:54:38,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:54:38,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 01:54:38,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975164870] [2022-11-23 01:54:38,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:54:38,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 01:54:38,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-23 01:54:38,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 01:54:38,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:54:38,717 INFO L87 Difference]: Start difference. First operand 77 states and 97 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 01:54:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:54:38,872 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2022-11-23 01:54:38,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 01:54:38,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 76 [2022-11-23 01:54:38,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 01:54:38,876 INFO L225 Difference]: With dead ends: 77 [2022-11-23 01:54:38,876 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 01:54:38,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 01:54:38,877 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 01:54:38,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 01:54:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 01:54:38,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 01:54:38,877 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) [2022-11-23 01:54:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 01:54:38,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2022-11-23 01:54:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 01:54:38,878 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:54:38,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-23 01:54:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 01:54:38,878 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 01:54:38,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-23 01:54:38,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-23 01:54:38,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-23 01:54:38,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-23 01:54:38,881 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-23 01:54:38,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-23 01:54:38,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-23 01:54:38,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-23 01:54:38,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-23 01:54:38,882 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-23 01:54:38,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:39,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/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 [2022-11-23 01:54:39,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 01:54:40,516 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 01:54:40,516 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 01:54:40,516 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 01:54:40,516 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 01:54:40,516 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1836 1839) no Hoare annotation was computed. [2022-11-23 01:54:40,516 INFO L902 garLoopResultBuilder]: At program point staticReturnsFalseENTRY(lines 1836 1839) the Hoare annotation is: true [2022-11-23 01:54:40,516 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1836 1839) no Hoare annotation was computed. [2022-11-23 01:54:40,517 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 01:54:40,517 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 01:54:40,517 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 01:54:40,517 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1895) no Hoare annotation was computed. [2022-11-23 01:54:40,517 INFO L899 garLoopResultBuilder]: For program point L1918(lines 1918 1924) no Hoare annotation was computed. [2022-11-23 01:54:40,517 INFO L902 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: true [2022-11-23 01:54:40,517 INFO L899 garLoopResultBuilder]: For program point L1910-1(lines 1910 1917) no Hoare annotation was computed. [2022-11-23 01:54:40,518 INFO L895 garLoopResultBuilder]: At program point L1844(line 1844) the Hoare annotation is: (and (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-11-23 01:54:40,518 INFO L895 garLoopResultBuilder]: At program point L1910-2(lines 1910 1917) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 01:54:40,518 INFO L899 garLoopResultBuilder]: For program point L1844-1(lines 1844 1857) no Hoare annotation was computed. [2022-11-23 01:54:40,518 INFO L902 garLoopResultBuilder]: At program point L1844-3(lines 1844 1857) the Hoare annotation is: true [2022-11-23 01:54:40,518 INFO L902 garLoopResultBuilder]: At program point L1902(line 1902) the Hoare annotation is: true [2022-11-23 01:54:40,518 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1921) no Hoare annotation was computed. [2022-11-23 01:54:40,518 INFO L902 garLoopResultBuilder]: At program point L1952(line 1952) the Hoare annotation is: true [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point L1952-1(line 1952) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1864) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1937) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point L1895(line 1895) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point L1895-1(line 1895) no Hoare annotation was computed. [2022-11-23 01:54:40,519 INFO L899 garLoopResultBuilder]: For program point L1895-3(lines 1895 1903) no Hoare annotation was computed. [2022-11-23 01:54:40,520 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1866) no Hoare annotation was computed. [2022-11-23 01:54:40,520 INFO L895 garLoopResultBuilder]: At program point L1854(line 1854) the Hoare annotation is: (and (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-11-23 01:54:40,520 INFO L899 garLoopResultBuilder]: For program point L1854-1(lines 1848 1855) no Hoare annotation was computed. [2022-11-23 01:54:40,520 INFO L895 garLoopResultBuilder]: At program point L1912(line 1912) the Hoare annotation is: false [2022-11-23 01:54:40,520 INFO L895 garLoopResultBuilder]: At program point L1879(line 1879) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-11-23 01:54:40,521 INFO L899 garLoopResultBuilder]: For program point L1879-1(lines 1879 1892) no Hoare annotation was computed. [2022-11-23 01:54:40,521 INFO L902 garLoopResultBuilder]: At program point L1879-3(lines 1879 1892) the Hoare annotation is: true [2022-11-23 01:54:40,521 INFO L899 garLoopResultBuilder]: For program point L1937(line 1937) no Hoare annotation was computed. [2022-11-23 01:54:40,521 INFO L899 garLoopResultBuilder]: For program point L1937-1(line 1937) no Hoare annotation was computed. [2022-11-23 01:54:40,521 INFO L902 garLoopResultBuilder]: At program point L1871(line 1871) the Hoare annotation is: true [2022-11-23 01:54:40,521 INFO L899 garLoopResultBuilder]: For program point L1871-1(lines 1858 1873) no Hoare annotation was computed. [2022-11-23 01:54:40,521 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1937) no Hoare annotation was computed. [2022-11-23 01:54:40,522 INFO L902 garLoopResultBuilder]: At program point L1954(line 1954) the Hoare annotation is: true [2022-11-23 01:54:40,522 INFO L899 garLoopResultBuilder]: For program point L1921(line 1921) no Hoare annotation was computed. [2022-11-23 01:54:40,522 INFO L899 garLoopResultBuilder]: For program point L1954-1(line 1954) no Hoare annotation was computed. [2022-11-23 01:54:40,522 INFO L899 garLoopResultBuilder]: For program point L1921-1(line 1921) no Hoare annotation was computed. [2022-11-23 01:54:40,522 INFO L902 garLoopResultBuilder]: At program point L1938(line 1938) the Hoare annotation is: true [2022-11-23 01:54:40,522 INFO L902 garLoopResultBuilder]: At program point L1930(line 1930) the Hoare annotation is: true [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1897(line 1897) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1930-1(lines 1930 1933) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1864(line 1864) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1897-1(line 1897) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1864-1(line 1864) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L895 garLoopResultBuilder]: At program point L1930-3(lines 1930 1933) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B2_~data~3#1|) [2022-11-23 01:54:40,523 INFO L899 garLoopResultBuilder]: For program point L1864-3(lines 1864 1872) no Hoare annotation was computed. [2022-11-23 01:54:40,523 INFO L902 garLoopResultBuilder]: At program point L1955(lines 1949 1956) the Hoare annotation is: true [2022-11-23 01:54:40,523 INFO L902 garLoopResultBuilder]: At program point L1922(line 1922) the Hoare annotation is: true [2022-11-23 01:54:40,524 INFO L895 garLoopResultBuilder]: At program point L1889(line 1889) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1889-1(lines 1883 1890) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1848(lines 1848 1855) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1906(lines 1906 1925) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L895 garLoopResultBuilder]: At program point L1898(line 1898) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G2_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G2_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (not .cse0) (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G2_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))))))) [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1897) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1866(line 1866) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1866-1(line 1866) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point L1858(lines 1858 1873) no Hoare annotation was computed. [2022-11-23 01:54:40,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 01:54:40,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1897) no Hoare annotation was computed. [2022-11-23 01:54:40,525 INFO L899 garLoopResultBuilder]: For program point L1883(lines 1883 1890) no Hoare annotation was computed. [2022-11-23 01:54:40,525 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 1905) no Hoare annotation was computed. [2022-11-23 01:54:40,525 INFO L895 garLoopResultBuilder]: At program point L1867(line 1867) the Hoare annotation is: (and (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G1_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G1_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0))) (bvsgt |ULTIMATE.start_goodB2G1_~data~0#1| (_ bv2147483648 32))) [2022-11-23 01:54:40,525 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1866) no Hoare annotation was computed. [2022-11-23 01:54:40,525 INFO L899 garLoopResultBuilder]: For program point L1942(lines 1942 1948) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point L1934(lines 1934 1940) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1921) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point L1926(lines 1926 1941) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point L1893(lines 1893 1904) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L895 garLoopResultBuilder]: At program point L1860(line 1860) the Hoare annotation is: false [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1832 1835) no Hoare annotation was computed. [2022-11-23 01:54:40,526 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1832 1835) no Hoare annotation was computed. [2022-11-23 01:54:40,527 INFO L902 garLoopResultBuilder]: At program point staticReturnsTrueENTRY(lines 1832 1835) the Hoare annotation is: true [2022-11-23 01:54:40,530 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:54:40,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 01:54:40,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:54:40 BoogieIcfgContainer [2022-11-23 01:54:40,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 01:54:40,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:54:40,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:54:40,539 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:54:40,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:35" (3/4) ... [2022-11-23 01:54:40,541 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 01:54:40,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 01:54:40,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-11-23 01:54:40,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 01:54:40,546 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-11-23 01:54:40,550 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-23 01:54:40,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 01:54:40,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 01:54:40,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 01:54:40,551 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 01:54:40,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 01:54:40,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:54:40,596 INFO L158 Benchmark]: Toolchain (without parser) took 254277.29ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.5MB in the beginning and 38.5MB in the end (delta: 5.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,596 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:54:40,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1840.90ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.03ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 37.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,597 INFO L158 Benchmark]: Boogie Preprocessor took 35.44ms. Allocated memory is still 83.9MB. Free memory was 37.8MB in the beginning and 35.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,598 INFO L158 Benchmark]: RCFGBuilder took 7078.58ms. Allocated memory is still 83.9MB. Free memory was 35.4MB in the beginning and 43.5MB in the end (delta: -8.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,598 INFO L158 Benchmark]: TraceAbstraction took 245192.63ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.7MB in the end (delta: 292.2kB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,598 INFO L158 Benchmark]: Witness Printer took 57.31ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 38.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 01:54:40,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1840.90ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.3MB in the beginning and 41.9MB in the end (delta: 1.4MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.03ms. Allocated memory is still 83.9MB. Free memory was 41.9MB in the beginning and 37.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.44ms. Allocated memory is still 83.9MB. Free memory was 37.8MB in the beginning and 35.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7078.58ms. Allocated memory is still 83.9MB. Free memory was 35.4MB in the beginning and 43.5MB in the end (delta: -8.2MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 245192.63ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.7MB in the end (delta: 292.2kB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 57.31ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 38.5MB 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: 1864]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1866]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1895]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1897]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1897]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1921]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1921]: 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 5 procedures, 81 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 245.1s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 14.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 161 mSDsluCounter, 4735 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3129 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 431 IncrementalHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1606 mSDtfsCounter, 431 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 760 GetRequests, 710 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=13, InterpolantAutomatonStates: 78, 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, 130 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 131 PreInvPairs, 149 NumberOfFragments, 245 HoareAnnotationTreeSize, 131 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 209.0s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 746 ConstructedInterpolants, 10 QuantifiedInterpolants, 1334 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2366 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 361/361 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: 1949]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 01:54:40,824 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 01:54:40,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f037eae1-d38a-428b-b5ab-defdc1552c67/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE