./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_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_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 --- 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 13:45:59,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:45:59,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:45:59,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:45:59,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:45:59,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:45:59,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:45:59,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:45:59,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:45:59,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:45:59,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:45:59,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:45:59,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:45:59,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:45:59,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:45:59,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:45:59,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:45:59,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:45:59,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:45:59,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:45:59,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:45:59,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:45:59,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:45:59,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:45:59,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:45:59,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:45:59,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:45:59,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:45:59,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:45:59,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:45:59,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:45:59,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:45:59,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:45:59,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:45:59,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:45:59,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:45:59,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:45:59,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:45:59,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:45:59,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:45:59,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:45:59,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 13:45:59,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:45:59,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:45:59,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:45:59,539 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:45:59,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:45:59,540 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:45:59,540 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:45:59,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:45:59,541 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:45:59,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:45:59,542 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:45:59,542 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:45:59,542 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:45:59,542 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:45:59,542 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:45:59,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:45:59,543 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:45:59,543 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:45:59,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:45:59,544 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:45:59,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:45:59,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:45:59,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:45:59,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:45:59,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:45:59,545 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:45:59,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:45:59,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:45:59,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:45:59,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:45:59,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:45:59,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:45:59,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:45:59,547 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:45:59,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:45:59,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:45:59,547 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:45:59,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:45:59,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:45:59,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:45:59,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 [2022-11-23 13:45:59,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:45:59,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:45:59,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:45:59,895 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:45:59,895 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:45:59,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2022-11-23 13:46:02,864 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:46:03,332 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:46:03,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2022-11-23 13:46:03,369 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/b72b03853/f0aea06c8b1543a29d4344178aa4b40d/FLAG23777e368 [2022-11-23 13:46:03,389 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/b72b03853/f0aea06c8b1543a29d4344178aa4b40d [2022-11-23 13:46:03,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:46:03,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:46:03,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:46:03,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:46:03,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:46:03,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:03" (1/1) ... [2022-11-23 13:46:03,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b245333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:03, skipping insertion in model container [2022-11-23 13:46:03,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:03" (1/1) ... [2022-11-23 13:46:03,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:46:03,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:46:03,985 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:46:05,239 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 13:46:05,245 INFO L158 Benchmark]: Toolchain (without parser) took 1848.39ms. Allocated memory is still 140.5MB. Free memory was 105.5MB in the beginning and 80.5MB in the end (delta: 25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-23 13:46:05,245 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:46:05,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1842.44ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 80.5MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 13:46:05,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1842.44ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 80.5MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 --- 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 13:46:07,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:46:07,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:46:07,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:46:07,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:46:07,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:46:07,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:46:07,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:46:07,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:46:07,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:46:07,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:46:07,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:46:07,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:46:07,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:46:07,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:46:07,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:46:07,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:46:07,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:46:07,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:46:07,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:46:07,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:46:07,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:46:07,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:46:07,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:46:07,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:46:07,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:46:07,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:46:07,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:46:07,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:46:07,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:46:07,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:46:07,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:46:07,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:46:07,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:46:07,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:46:07,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:46:07,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:46:07,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:46:07,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:46:07,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:46:07,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:46:07,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 13:46:07,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:46:07,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:46:07,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:46:07,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:46:07,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:46:07,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:46:07,672 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:46:07,673 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:46:07,673 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:46:07,673 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:46:07,673 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:46:07,673 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:46:07,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:46:07,674 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 13:46:07,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 13:46:07,676 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 13:46:07,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 13:46:07,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:46:07,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:46:07,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:46:07,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:46:07,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 13:46:07,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:46:07,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:46:07,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:46:07,678 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:46:07,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 13:46:07,679 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 [2022-11-23 13:46:08,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:46:08,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:46:08,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:46:08,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:46:08,097 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:46:08,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2022-11-23 13:46:11,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:46:11,661 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:46:11,661 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2022-11-23 13:46:11,698 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/d0392dedc/f340115f63b84fc39211c99310557ee3/FLAG69827a55b [2022-11-23 13:46:11,720 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/data/d0392dedc/f340115f63b84fc39211c99310557ee3 [2022-11-23 13:46:11,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:46:11,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:46:11,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:46:11,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:46:11,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:46:11,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:11" (1/1) ... [2022-11-23 13:46:11,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9c9dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:11, skipping insertion in model container [2022-11-23 13:46:11,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:11" (1/1) ... [2022-11-23 13:46:11,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:46:11,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:46:12,343 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:46:13,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:46:13,312 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:46:13,334 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 13:46:13,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:46:13,914 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:46:13,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13 WrapperNode [2022-11-23 13:46:13,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:46:13,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:46:13,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:46:13,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:46:13,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:13,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,007 INFO L138 Inliner]: procedures = 947, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2022-11-23 13:46:14,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:46:14,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:46:14,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:46:14,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:46:14,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,040 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:46:14,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:46:14,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:46:14,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:46:14,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (1/1) ... [2022-11-23 13:46:14,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:46:14,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:46:14,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:46:14,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:46:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 13:46:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 13:46:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:46:14,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:46:14,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:46:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:46:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 13:46:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 13:46:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 13:46:14,161 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 13:46:14,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 13:46:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:46:14,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 13:46:14,336 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:46:14,338 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:46:20,252 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:46:20,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:46:20,260 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 13:46:20,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:20 BoogieIcfgContainer [2022-11-23 13:46:20,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:46:20,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:46:20,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:46:20,268 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:46:20,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:46:11" (1/3) ... [2022-11-23 13:46:20,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d80ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:20, skipping insertion in model container [2022-11-23 13:46:20,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:13" (2/3) ... [2022-11-23 13:46:20,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d80ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:46:20, skipping insertion in model container [2022-11-23 13:46:20,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:20" (3/3) ... [2022-11-23 13:46:20,273 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_06_good.i [2022-11-23 13:46:20,292 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:46:20,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-23 13:46:20,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:46:20,350 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@56a5f9c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:46:20,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-23 13:46:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 13:46:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 13:46:20,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:46:20,366 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:46:20,366 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 13:46:20,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:46:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1605405762, now seen corresponding path program 1 times [2022-11-23 13:46:20,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:46:20,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368162758] [2022-11-23 13:46:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:46:20,391 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 13:46:20,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:46:20,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:20,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:46:20,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:46:20,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:46:20,600 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 13:46:20,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:46:20,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:46:20,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368162758] [2022-11-23 13:46:20,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368162758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:46:20,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:46:20,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:46:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556709565] [2022-11-23 13:46:20,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:46:20,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:46:20,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:46:20,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:46:20,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:46:20,655 INFO L87 Difference]: Start difference. First operand has 67 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 states have internal predecessors, (67), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:20,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:46:20,771 INFO L93 Difference]: Finished difference Result 145 states and 194 transitions. [2022-11-23 13:46:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:46:20,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-23 13:46:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:46:20,782 INFO L225 Difference]: With dead ends: 145 [2022-11-23 13:46:20,782 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 13:46:20,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:46:20,789 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 24 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:46:20,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 160 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:46:20,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 13:46:20,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-23 13:46:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 50 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:46:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-11-23 13:46:20,830 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 12 [2022-11-23 13:46:20,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:46:20,832 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-11-23 13:46:20,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-23 13:46:20,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 13:46:20,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:46:20,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:46:20,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:21,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:21,055 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 13:46:21,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:46:21,056 INFO L85 PathProgramCache]: Analyzing trace with hash 602097063, now seen corresponding path program 1 times [2022-11-23 13:46:21,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:46:21,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695968632] [2022-11-23 13:46:21,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:46:21,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:46:21,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:46:21,060 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:21,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:46:21,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 13:46:21,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:46:21,277 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 13:46:21,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:46:21,278 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:46:21,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695968632] [2022-11-23 13:46:21,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695968632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:46:21,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:46:21,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:46:21,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206861023] [2022-11-23 13:46:21,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:46:21,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:46:21,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:46:21,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:46:21,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:46:21,292 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:22,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:46:22,313 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2022-11-23 13:46:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:46:22,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-23 13:46:22,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:46:22,322 INFO L225 Difference]: With dead ends: 58 [2022-11-23 13:46:22,322 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 13:46:22,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:46:22,323 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:46:22,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 183 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 13:46:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 13:46:22,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-11-23 13:46:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 49 states have internal predecessors, (52), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:46:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 68 transitions. [2022-11-23 13:46:22,332 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 68 transitions. Word has length 14 [2022-11-23 13:46:22,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:46:22,333 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 68 transitions. [2022-11-23 13:46:22,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:22,333 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2022-11-23 13:46:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 13:46:22,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:46:22,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:46:22,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 13:46:22,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,537 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 13:46:22,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:46:22,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1485143876, now seen corresponding path program 1 times [2022-11-23 13:46:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:46:22,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640473430] [2022-11-23 13:46:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:46:22,538 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 13:46:22,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:46:22,539 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:46:22,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:46:22,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:46:22,686 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 13:46:22,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:46:22,687 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:46:22,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640473430] [2022-11-23 13:46:22,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640473430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:46:22,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:46:22,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:46:22,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759813282] [2022-11-23 13:46:22,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:46:22,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:46:22,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:46:22,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:46:22,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:46:22,690 INFO L87 Difference]: Start difference. First operand 56 states and 68 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:22,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:46:22,714 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2022-11-23 13:46:22,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:46:22,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-23 13:46:22,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:46:22,716 INFO L225 Difference]: With dead ends: 100 [2022-11-23 13:46:22,716 INFO L226 Difference]: Without dead ends: 57 [2022-11-23 13:46:22,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:46:22,718 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:46:22,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:46:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-11-23 13:46:22,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-11-23 13:46:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.394736842105263) internal successors, (53), 50 states have internal predecessors, (53), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:46:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 69 transitions. [2022-11-23 13:46:22,731 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 69 transitions. Word has length 15 [2022-11-23 13:46:22,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:46:22,732 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 69 transitions. [2022-11-23 13:46:22,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:46:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2022-11-23 13:46:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 13:46:22,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:46:22,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:46:22,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,949 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 13:46:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:46:22,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1205305015, now seen corresponding path program 1 times [2022-11-23 13:46:22,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:46:22,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347769197] [2022-11-23 13:46:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:46:22,950 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 13:46:22,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:46:22,951 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:46:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:47:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:47:40,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:47:40,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:47:42,748 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 13:47:42,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:47:42,749 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:47:42,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347769197] [2022-11-23 13:47:42,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347769197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:47:42,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:47:42,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:47:42,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919862868] [2022-11-23 13:47:42,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:47:42,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:47:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:47:42,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:47:42,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:47:42,751 INFO L87 Difference]: Start difference. First operand 57 states and 69 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:47:45,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:47:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:47:47,619 INFO L93 Difference]: Finished difference Result 133 states and 159 transitions. [2022-11-23 13:47:47,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:47:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-23 13:47:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:47:47,622 INFO L225 Difference]: With dead ends: 133 [2022-11-23 13:47:47,622 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 13:47:47,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-23 13:47:47,623 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:47:47,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 281 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-23 13:47:47,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 13:47:47,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 61. [2022-11-23 13:47:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 53 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:47:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2022-11-23 13:47:47,632 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 16 [2022-11-23 13:47:47,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:47:47,633 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2022-11-23 13:47:47,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:47:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-11-23 13:47:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 13:47:47,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:47:47,634 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:47:47,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-23 13:47:47,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:47:47,845 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 13:47:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:47:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1290250278, now seen corresponding path program 1 times [2022-11-23 13:47:47,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:47:47,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256342840] [2022-11-23 13:47:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:47:47,846 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 13:47:47,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:47:47,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:47:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:02,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 13:49:02,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:49:04,298 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 13:49:04,298 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:49:04,298 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:49:04,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256342840] [2022-11-23 13:49:04,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256342840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:49:04,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:49:04,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:49:04,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912255595] [2022-11-23 13:49:04,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:49:04,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:49:04,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:49:04,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:49:04,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:49:04,300 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:49:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:07,182 INFO L93 Difference]: Finished difference Result 92 states and 110 transitions. [2022-11-23 13:49:07,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 13:49:07,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 13:49:07,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:07,185 INFO L225 Difference]: With dead ends: 92 [2022-11-23 13:49:07,186 INFO L226 Difference]: Without dead ends: 91 [2022-11-23 13:49:07,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 13:49:07,187 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 38 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:07,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 232 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 13:49:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-23 13:49:07,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 60. [2022-11-23 13:49:07,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 43 states have (on average 1.302325581395349) internal successors, (56), 52 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:49:07,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2022-11-23 13:49:07,198 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 17 [2022-11-23 13:49:07,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:07,199 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2022-11-23 13:49:07,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 13:49:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-11-23 13:49:07,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 13:49:07,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:07,201 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:49:07,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:07,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:07,411 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 13:49:07,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:07,411 INFO L85 PathProgramCache]: Analyzing trace with hash -382079765, now seen corresponding path program 1 times [2022-11-23 13:49:07,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:49:07,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723050628] [2022-11-23 13:49:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:07,412 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 13:49:07,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:49:07,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:07,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:07,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 13:49:07,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:49:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 13:49:07,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:49:07,588 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:49:07,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723050628] [2022-11-23 13:49:07,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723050628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:49:07,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:49:07,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:49:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90654544] [2022-11-23 13:49:07,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:49:07,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 13:49:07,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:49:07,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 13:49:07,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 13:49:07,590 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:49:09,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:49:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:10,167 INFO L93 Difference]: Finished difference Result 61 states and 74 transitions. [2022-11-23 13:49:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:49:10,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-23 13:49:10,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:10,173 INFO L225 Difference]: With dead ends: 61 [2022-11-23 13:49:10,173 INFO L226 Difference]: Without dead ends: 60 [2022-11-23 13:49:10,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:49:10,174 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 3 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:10,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 174 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-23 13:49:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-23 13:49:10,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-11-23 13:49:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:49:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-23 13:49:10,181 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 26 [2022-11-23 13:49:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:10,181 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-23 13:49:10,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:49:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-23 13:49:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 13:49:10,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:10,183 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:49:10,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,384 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:49:10,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:10,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1040433318, now seen corresponding path program 1 times [2022-11-23 13:49:10,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:49:10,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543676074] [2022-11-23 13:49:10,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:10,385 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 13:49:10,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:49:10,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:49:10,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:49:10,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:49:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 13:49:10,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:49:10,553 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:49:10,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543676074] [2022-11-23 13:49:10,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543676074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:49:10,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:49:10,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:49:10,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807519687] [2022-11-23 13:49:10,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:49:10,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:49:10,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:49:10,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:49:10,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:49:10,560 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:49:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:49:10,583 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2022-11-23 13:49:10,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:49:10,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-23 13:49:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:49:10,589 INFO L225 Difference]: With dead ends: 83 [2022-11-23 13:49:10,589 INFO L226 Difference]: Without dead ends: 60 [2022-11-23 13:49:10,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:49:10,593 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:49:10,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:49:10,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-23 13:49:10,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-11-23 13:49:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 52 states have internal predecessors, (56), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:49:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2022-11-23 13:49:10,608 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 27 [2022-11-23 13:49:10,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:49:10,609 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2022-11-23 13:49:10,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:49:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2022-11-23 13:49:10,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 13:49:10,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:49:10,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:49:10,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-23 13:49:10,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:49:10,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:49:10,829 INFO L85 PathProgramCache]: Analyzing trace with hash -2106430387, now seen corresponding path program 1 times [2022-11-23 13:49:10,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:49:10,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452841059] [2022-11-23 13:49:10,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:49:10,829 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 13:49:10,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:49:10,830 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:49:10,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:50:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:50:22,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:50:22,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:50:24,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 13:50:24,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:50:24,488 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:50:24,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452841059] [2022-11-23 13:50:24,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452841059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:24,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:24,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:50:24,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009358161] [2022-11-23 13:50:24,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:24,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:50:24,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:50:24,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:50:24,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:50:24,490 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:50:27,799 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 13:50:29,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:29,758 INFO L93 Difference]: Finished difference Result 104 states and 118 transitions. [2022-11-23 13:50:29,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:50:29,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-23 13:50:29,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:29,761 INFO L225 Difference]: With dead ends: 104 [2022-11-23 13:50:29,761 INFO L226 Difference]: Without dead ends: 79 [2022-11-23 13:50:29,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-23 13:50:29,762 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 25 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:29,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 263 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-23 13:50:29,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-23 13:50:29,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 64. [2022-11-23 13:50:29,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 49 states have (on average 1.2244897959183674) internal successors, (60), 55 states have internal predecessors, (60), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:50:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2022-11-23 13:50:29,776 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 28 [2022-11-23 13:50:29,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:29,776 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2022-11-23 13:50:29,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:50:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2022-11-23 13:50:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-23 13:50:29,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:29,778 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:50:29,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-23 13:50:29,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:50:29,987 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:50:29,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:29,987 INFO L85 PathProgramCache]: Analyzing trace with hash -874832440, now seen corresponding path program 1 times [2022-11-23 13:50:29,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:50:29,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744846309] [2022-11-23 13:50:29,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:29,988 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 13:50:29,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:50:29,989 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:50:29,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:41,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 13:51:41,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 13:51:43,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:43,655 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:43,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744846309] [2022-11-23 13:51:43,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744846309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:43,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:43,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 13:51:43,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746188720] [2022-11-23 13:51:43,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:43,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:51:43,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:43,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:51:43,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:51:43,656 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:51:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:45,892 INFO L93 Difference]: Finished difference Result 79 states and 91 transitions. [2022-11-23 13:51:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:51:45,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-23 13:51:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:45,894 INFO L225 Difference]: With dead ends: 79 [2022-11-23 13:51:45,894 INFO L226 Difference]: Without dead ends: 78 [2022-11-23 13:51:45,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:51:45,895 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 21 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:45,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 235 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 13:51:45,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-23 13:51:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 63. [2022-11-23 13:51:45,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 54 states have internal predecessors, (59), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2022-11-23 13:51:45,907 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 29 [2022-11-23 13:51:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:45,907 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2022-11-23 13:51:45,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:51:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2022-11-23 13:51:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 13:51:45,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:45,911 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:45,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,115 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:51:46,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2096579515, now seen corresponding path program 1 times [2022-11-23 13:51:46,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:51:46,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314959676] [2022-11-23 13:51:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:46,116 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 13:51:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:51:46,118 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:46,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:51:46,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 13:51:46,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:46,268 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:46,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314959676] [2022-11-23 13:51:46,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314959676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:46,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:46,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:46,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697721211] [2022-11-23 13:51:46,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:46,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:46,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:46,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:46,270 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 13:51:46,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:46,486 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2022-11-23 13:51:46,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:46,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 35 [2022-11-23 13:51:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:46,493 INFO L225 Difference]: With dead ends: 63 [2022-11-23 13:51:46,493 INFO L226 Difference]: Without dead ends: 61 [2022-11-23 13:51:46,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:46,494 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 8 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:46,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 108 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 13:51:46,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-23 13:51:46,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-23 13:51:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 49 states have (on average 1.163265306122449) internal successors, (57), 52 states have internal predecessors, (57), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-23 13:51:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 73 transitions. [2022-11-23 13:51:46,499 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 73 transitions. Word has length 35 [2022-11-23 13:51:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:46,499 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 73 transitions. [2022-11-23 13:51:46,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 13:51:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 73 transitions. [2022-11-23 13:51:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 13:51:46,501 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:46,501 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:46,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,704 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-23 13:51:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 452230348, now seen corresponding path program 1 times [2022-11-23 13:51:46,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:51:46,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2143648934] [2022-11-23 13:51:46,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:46,705 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 13:51:46,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:51:46,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:46,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:51:46,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:46,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 13:51:46,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:46,904 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:51:46,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2143648934] [2022-11-23 13:51:46,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2143648934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:46,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:46,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:51:46,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634421935] [2022-11-23 13:51:46,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:46,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:51:46,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:46,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:46,906 INFO L87 Difference]: Start difference. First operand 61 states and 73 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-23 13:51:47,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:47,032 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2022-11-23 13:51:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:47,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 44 [2022-11-23 13:51:47,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:47,037 INFO L225 Difference]: With dead ends: 61 [2022-11-23 13:51:47,037 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:51:47,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:47,038 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:47,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:51:47,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:51:47,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:51:47,039 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 13:51:47,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:51:47,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-11-23 13:51:47,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:47,039 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:51:47,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-23 13:51:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:51:47,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:51:47,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-23 13:51:47,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-23 13:51:47,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-23 13:51:47,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-23 13:51:47,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:47,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/mathsat -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 13:51:47,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:51:48,212 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 13:51:48,213 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 13:51:48,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1888) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point L1935(lines 1935 1941) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1914) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1857) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point L1919(lines 1919 1934) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:51:48,214 INFO L895 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: (not (= ~STATIC_CONST_FIVE~0 (_ bv5 32))) [2022-11-23 13:51:48,214 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 13:51:48,215 INFO L899 garLoopResultBuilder]: For program point L1903(lines 1903 1910) no Hoare annotation was computed. [2022-11-23 13:51:48,215 INFO L899 garLoopResultBuilder]: For program point L1903-1(lines 1900 1918) no Hoare annotation was computed. [2022-11-23 13:51:48,215 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1850) no Hoare annotation was computed. [2022-11-23 13:51:48,215 INFO L899 garLoopResultBuilder]: For program point L1837-2(lines 1834 1867) no Hoare annotation was computed. [2022-11-23 13:51:48,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1930) no Hoare annotation was computed. [2022-11-23 13:51:48,216 INFO L902 garLoopResultBuilder]: At program point L1895(line 1895) the Hoare annotation is: true [2022-11-23 13:51:48,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed. [2022-11-23 13:51:48,216 INFO L902 garLoopResultBuilder]: At program point L1945(line 1945) the Hoare annotation is: true [2022-11-23 13:51:48,216 INFO L899 garLoopResultBuilder]: For program point L1945-1(line 1945) no Hoare annotation was computed. [2022-11-23 13:51:48,216 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1930) no Hoare annotation was computed. [2022-11-23 13:51:48,216 INFO L899 garLoopResultBuilder]: For program point L1888(line 1888) no Hoare annotation was computed. [2022-11-23 13:51:48,217 INFO L899 garLoopResultBuilder]: For program point L1888-1(line 1888) no Hoare annotation was computed. [2022-11-23 13:51:48,217 INFO L899 garLoopResultBuilder]: For program point L1888-3(lines 1888 1896) no Hoare annotation was computed. [2022-11-23 13:51:48,217 INFO L895 garLoopResultBuilder]: At program point L1847(line 1847) 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 13:51:48,218 INFO L899 garLoopResultBuilder]: For program point L1847-1(lines 1841 1848) no Hoare annotation was computed. [2022-11-23 13:51:48,218 INFO L895 garLoopResultBuilder]: At program point L1905(line 1905) the Hoare annotation is: (not (= ~STATIC_CONST_FIVE~0 (_ bv5 32))) [2022-11-23 13:51:48,218 INFO L899 garLoopResultBuilder]: For program point L1872(lines 1872 1885) no Hoare annotation was computed. [2022-11-23 13:51:48,218 INFO L899 garLoopResultBuilder]: For program point L1872-2(lines 1869 1898) no Hoare annotation was computed. [2022-11-23 13:51:48,218 INFO L899 garLoopResultBuilder]: For program point L1930(line 1930) no Hoare annotation was computed. [2022-11-23 13:51:48,219 INFO L899 garLoopResultBuilder]: For program point L1930-1(line 1930) no Hoare annotation was computed. [2022-11-23 13:51:48,219 INFO L902 garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: true [2022-11-23 13:51:48,219 INFO L899 garLoopResultBuilder]: For program point L1864-1(lines 1851 1866) no Hoare annotation was computed. [2022-11-23 13:51:48,219 INFO L902 garLoopResultBuilder]: At program point L1947(line 1947) the Hoare annotation is: true [2022-11-23 13:51:48,219 INFO L899 garLoopResultBuilder]: For program point L1914(line 1914) no Hoare annotation was computed. [2022-11-23 13:51:48,219 INFO L899 garLoopResultBuilder]: For program point L1947-1(line 1947) no Hoare annotation was computed. [2022-11-23 13:51:48,220 INFO L899 garLoopResultBuilder]: For program point L1914-1(line 1914) no Hoare annotation was computed. [2022-11-23 13:51:48,220 INFO L902 garLoopResultBuilder]: At program point L1931(line 1931) the Hoare annotation is: true [2022-11-23 13:51:48,220 INFO L899 garLoopResultBuilder]: For program point L1923(lines 1923 1926) no Hoare annotation was computed. [2022-11-23 13:51:48,220 INFO L899 garLoopResultBuilder]: For program point L1890(line 1890) no Hoare annotation was computed. [2022-11-23 13:51:48,220 INFO L899 garLoopResultBuilder]: For program point L1857(line 1857) no Hoare annotation was computed. [2022-11-23 13:51:48,220 INFO L899 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2022-11-23 13:51:48,221 INFO L899 garLoopResultBuilder]: For program point L1923-2(lines 1920 1934) no Hoare annotation was computed. [2022-11-23 13:51:48,221 INFO L899 garLoopResultBuilder]: For program point L1857-1(line 1857) no Hoare annotation was computed. [2022-11-23 13:51:48,221 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 13:51:48,221 INFO L899 garLoopResultBuilder]: For program point L1857-3(lines 1857 1865) no Hoare annotation was computed. [2022-11-23 13:51:48,221 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1890) no Hoare annotation was computed. [2022-11-23 13:51:48,222 INFO L902 garLoopResultBuilder]: At program point L1948(lines 1942 1949) the Hoare annotation is: true [2022-11-23 13:51:48,222 INFO L895 garLoopResultBuilder]: At program point L1915(line 1915) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|) [2022-11-23 13:51:48,222 INFO L895 garLoopResultBuilder]: At program point L1882(line 1882) 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 13:51:48,222 INFO L899 garLoopResultBuilder]: For program point L1882-1(lines 1876 1883) no Hoare annotation was computed. [2022-11-23 13:51:48,222 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1848) no Hoare annotation was computed. [2022-11-23 13:51:48,223 INFO L899 garLoopResultBuilder]: For program point L1899(lines 1899 1918) no Hoare annotation was computed. [2022-11-23 13:51:48,223 INFO L895 garLoopResultBuilder]: At program point L1891(line 1891) 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 13:51:48,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:51:48,223 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1890) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point L1859(line 1859) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point L1859-1(line 1859) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point L1876(lines 1876 1883) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point L1868(lines 1868 1898) no Hoare annotation was computed. [2022-11-23 13:51:48,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1914) no Hoare annotation was computed. [2022-11-23 13:51:48,225 INFO L895 garLoopResultBuilder]: At program point L1860(line 1860) 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 13:51:48,248 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:48,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:51:48,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:51:48 BoogieIcfgContainer [2022-11-23 13:51:48,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:51:48,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:51:48,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:51:48,258 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:51:48,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:20" (3/4) ... [2022-11-23 13:51:48,261 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:51:48,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 13:51:48,268 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 13:51:48,275 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-23 13:51:48,275 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 13:51:48,276 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 13:51:48,276 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:51:48,276 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:51:48,325 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:51:48,325 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:51:48,326 INFO L158 Benchmark]: Toolchain (without parser) took 336600.11ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 41.1MB in the beginning and 83.9MB in the end (delta: -42.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,326 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:51:48,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2184.88ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 41.0MB in the beginning and 43.6MB in the end (delta: -2.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.50ms. Allocated memory is still 96.5MB. Free memory was 43.6MB in the beginning and 39.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,327 INFO L158 Benchmark]: Boogie Preprocessor took 38.31ms. Allocated memory is still 96.5MB. Free memory was 39.5MB in the beginning and 36.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,328 INFO L158 Benchmark]: RCFGBuilder took 6215.76ms. Allocated memory is still 96.5MB. Free memory was 36.7MB in the beginning and 48.2MB in the end (delta: -11.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,328 INFO L158 Benchmark]: TraceAbstraction took 327992.37ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 88.1MB in the end (delta: -40.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,329 INFO L158 Benchmark]: Witness Printer took 67.93ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 83.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:51:48,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 46.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2184.88ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 41.0MB in the beginning and 43.6MB in the end (delta: -2.7MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.50ms. Allocated memory is still 96.5MB. Free memory was 43.6MB in the beginning and 39.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.31ms. Allocated memory is still 96.5MB. Free memory was 39.5MB in the beginning and 36.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6215.76ms. Allocated memory is still 96.5MB. Free memory was 36.7MB in the beginning and 48.2MB in the end (delta: -11.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * TraceAbstraction took 327992.37ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 47.6MB in the beginning and 88.1MB in the end (delta: -40.5MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 67.93ms. Allocated memory is still 121.6MB. Free memory was 88.1MB in the beginning and 83.9MB 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: 1857]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1859]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1888]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1930]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1930]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 67 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 327.9s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 183 SdHoareTripleChecker+Valid, 11.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 1999 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1278 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 721 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 267 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 94 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 49 PreInvPairs, 61 NumberOfFragments, 167 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 295.1s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 252 ConstructedInterpolants, 10 QuantifiedInterpolants, 809 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1183 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 1942]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:51:48,558 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 13:51:48,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69dd0155-0d1b-4ab2-b20d-e1b0ca08bead/bin/utaipan-Q6hlc19bkW/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