./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:16:34,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:34,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:34,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:34,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:34,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:34,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:34,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:34,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:34,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:34,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:34,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:34,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:34,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:34,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:34,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:34,482 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:34,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:34,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:34,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:34,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:34,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:34,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:34,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:34,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:34,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:34,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:34,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:34,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:34,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:34,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:34,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:34,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:34,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:34,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:34,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:34,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:34,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:34,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:34,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:34,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:34,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:16:34,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:34,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:34,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:34,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:34,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:34,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:34,582 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:34,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:34,583 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:34,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:16:34,584 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:34,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:34,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:16:34,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:16:34,585 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:34,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:16:34,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:16:34,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:16:34,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:34,587 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:16:34,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:16:34,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:34,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:34,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:34,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:34,589 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:16:34,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:34,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:34,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:34,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:34,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:34,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:34,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:34,592 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:16:34,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:34,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:34,592 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:16:34,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:16:34,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:34,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:34,593 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_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 [2022-11-26 00:16:34,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:34,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:34,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:34,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:34,929 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:34,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2022-11-26 00:16:38,163 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:38,668 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:38,668 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2022-11-26 00:16:38,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/b6482d3d8/4737301b8e0342e3b83a93c28ed2bfc4/FLAGe813b2026 [2022-11-26 00:16:38,725 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/b6482d3d8/4737301b8e0342e3b83a93c28ed2bfc4 [2022-11-26 00:16:38,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:38,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:38,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:38,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:38,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:38,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:38" (1/1) ... [2022-11-26 00:16:38,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388cd445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:38, skipping insertion in model container [2022-11-26 00:16:38,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:38" (1/1) ... [2022-11-26 00:16:38,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:38,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:39,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:40,217 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:40,223 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:40,228 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:40,231 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:40,232 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:40,914 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:16:40,925 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoops(CHandler.java:3472) 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:223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-26 00:16:40,936 INFO L158 Benchmark]: Toolchain (without parser) took 2202.87ms. Allocated memory is still 144.7MB. Free memory was 96.3MB in the beginning and 71.9MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:16:40,936 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:16:40,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2198.12ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 71.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-26 00:16:40,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2198.12ms. Allocated memory is still 144.7MB. Free memory was 96.1MB in the beginning and 71.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:16:43,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:16:43,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:16:43,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:16:43,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:16:43,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:16:43,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:16:43,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:16:43,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:16:43,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:16:43,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:16:43,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:16:43,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:16:43,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:16:43,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:16:43,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:16:43,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:16:43,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:16:43,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:16:43,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:16:43,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:16:43,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:16:43,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:16:43,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:16:43,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:16:43,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:16:43,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:16:43,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:16:43,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:16:43,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:16:43,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:16:43,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:16:43,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:16:43,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:16:43,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:16:43,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:16:43,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:16:43,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:16:43,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:16:43,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:16:43,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:16:43,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:16:43,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:16:43,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:16:43,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:16:43,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:16:43,676 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:16:43,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:16:43,676 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:16:43,677 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:16:43,677 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:16:43,677 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:16:43,678 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:16:43,678 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:16:43,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:16:43,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:16:43,680 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:16:43,681 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:16:43,681 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:16:43,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:16:43,681 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:16:43,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:16:43,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:16:43,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:16:43,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:16:43,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:43,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:16:43,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:16:43,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:16:43,683 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:16:43,683 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:16:43,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:16:43,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:16:43,684 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:16:43,684 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_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d07eedee42801f5dbd001dae9b753770fadc5a2ea8a4e9e75dfe75d97ffc89 [2022-11-26 00:16:44,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:16:44,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:16:44,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:16:44,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:16:44,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:16:44,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2022-11-26 00:16:47,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:16:47,915 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:16:47,918 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_17_good.i [2022-11-26 00:16:47,954 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/538cc0864/a0578f9e8e5840f7b6e0741509e6eeb4/FLAG6d9263ca4 [2022-11-26 00:16:47,977 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/data/538cc0864/a0578f9e8e5840f7b6e0741509e6eeb4 [2022-11-26 00:16:47,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:16:47,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:16:47,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:47,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:16:47,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:16:47,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:47" (1/1) ... [2022-11-26 00:16:47,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b4e952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:47, skipping insertion in model container [2022-11-26 00:16:47,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:16:47" (1/1) ... [2022-11-26 00:16:48,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:16:48,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:16:48,733 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:49,366 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:49,372 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:49,374 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:49,377 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:49,377 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:49,852 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:16:49,882 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:49,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:49,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:16:49,949 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-26 00:16:50,033 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-26 00:16:50,034 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:50,035 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-26 00:16:50,038 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:50,038 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-26 00:16:50,051 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-26 00:16:50,056 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-26 00:16:50,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:16:50,536 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:16:50,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50 WrapperNode [2022-11-26 00:16:50,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:16:50,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:50,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:16:50,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:16:50,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,641 INFO L138 Inliner]: procedures = 945, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2022-11-26 00:16:50,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:16:50,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:16:50,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:16:50,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:16:50,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:16:50,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:16:50,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:16:50,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:16:50,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (1/1) ... [2022-11-26 00:16:50,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:16:50,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:50,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:16:50,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:16:50,823 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-26 00:16:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-26 00:16:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:16:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:16:50,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:16:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:16:50,824 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-26 00:16:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-26 00:16:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-26 00:16:50,825 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-26 00:16:50,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-26 00:16:50,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:16:50,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:16:51,118 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:16:51,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:16:54,189 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:16:54,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:16:54,202 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-26 00:16:54,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:54 BoogieIcfgContainer [2022-11-26 00:16:54,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:16:54,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:16:54,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:16:54,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:16:54,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:16:47" (1/3) ... [2022-11-26 00:16:54,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514a313d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:54, skipping insertion in model container [2022-11-26 00:16:54,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:16:50" (2/3) ... [2022-11-26 00:16:54,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514a313d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:16:54, skipping insertion in model container [2022-11-26 00:16:54,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:54" (3/3) ... [2022-11-26 00:16:54,220 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_17_good.i [2022-11-26 00:16:54,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:16:54,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-11-26 00:16:54,309 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:16:54,316 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;@1034b110, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:16:54,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2022-11-26 00:16:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 41 states have (on average 1.6097560975609757) internal successors, (66), 56 states have internal predecessors, (66), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:16:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:16:54,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:54,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:54,332 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:54,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:54,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1021490523, now seen corresponding path program 1 times [2022-11-26 00:16:54,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:54,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926274082] [2022-11-26 00:16:54,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:54,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:54,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:54,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:54,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-26 00:16:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:54,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:16:54,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:54,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:54,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:54,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:16:54,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926274082] [2022-11-26 00:16:54,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926274082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:54,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:54,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:54,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865140619] [2022-11-26 00:16:54,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:54,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:16:54,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:16:54,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:16:54,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:54,712 INFO L87 Difference]: Start difference. First operand has 63 states, 41 states have (on average 1.6097560975609757) internal successors, (66), 56 states have internal predecessors, (66), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 00:16:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:54,806 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2022-11-26 00:16:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:16:54,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2022-11-26 00:16:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:54,818 INFO L225 Difference]: With dead ends: 118 [2022-11-26 00:16:54,818 INFO L226 Difference]: Without dead ends: 60 [2022-11-26 00:16:54,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:54,825 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 7 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:54,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 134 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:16:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-11-26 00:16:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2022-11-26 00:16:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 47 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:16:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 63 transitions. [2022-11-26 00:16:54,893 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 63 transitions. Word has length 13 [2022-11-26 00:16:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:54,894 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 63 transitions. [2022-11-26 00:16:54,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-11-26 00:16:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-11-26 00:16:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-26 00:16:54,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:54,897 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:54,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:55,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:55,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:55,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1558584674, now seen corresponding path program 1 times [2022-11-26 00:16:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:55,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544932654] [2022-11-26 00:16:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:55,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:55,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:55,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:55,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-26 00:16:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:55,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:16:55,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:55,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:55,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:16:55,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544932654] [2022-11-26 00:16:55,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544932654] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:55,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:55,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:55,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350170827] [2022-11-26 00:16:55,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:55,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:16:55,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:16:55,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:16:55,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:16:55,337 INFO L87 Difference]: Start difference. First operand 53 states and 63 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) [2022-11-26 00:16:55,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:55,434 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2022-11-26 00:16:55,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:16:55,435 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 [2022-11-26 00:16:55,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:55,440 INFO L225 Difference]: With dead ends: 60 [2022-11-26 00:16:55,440 INFO L226 Difference]: Without dead ends: 59 [2022-11-26 00:16:55,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:16:55,443 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:55,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 173 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:16:55,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-26 00:16:55,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-26 00:16:55,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 53 states have internal predecessors, (59), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:16:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-26 00:16:55,466 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 14 [2022-11-26 00:16:55,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:55,467 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-26 00:16:55,468 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) [2022-11-26 00:16:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-26 00:16:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:16:55,470 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:55,470 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:55,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:55,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:55,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:55,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:55,688 INFO L85 PathProgramCache]: Analyzing trace with hash 474130494, now seen corresponding path program 1 times [2022-11-26 00:16:55,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1382300436] [2022-11-26 00:16:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:55,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:55,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:55,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:55,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-26 00:16:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:55,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:16:55,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:16:55,930 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:55,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:16:55,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1382300436] [2022-11-26 00:16:55,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1382300436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:55,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:55,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:55,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938774341] [2022-11-26 00:16:55,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:55,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:16:55,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:16:55,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:16:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:16:55,936 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:16:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:57,209 INFO L93 Difference]: Finished difference Result 60 states and 73 transitions. [2022-11-26 00:16:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:16:57,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-26 00:16:57,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:57,217 INFO L225 Difference]: With dead ends: 60 [2022-11-26 00:16:57,217 INFO L226 Difference]: Without dead ends: 59 [2022-11-26 00:16:57,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:16:57,219 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 3 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:57,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 162 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:16:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-26 00:16:57,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-11-26 00:16:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.380952380952381) internal successors, (58), 52 states have internal predecessors, (58), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:16:57,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 70 transitions. [2022-11-26 00:16:57,238 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 70 transitions. Word has length 19 [2022-11-26 00:16:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:57,258 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 70 transitions. [2022-11-26 00:16:57,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:16:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2022-11-26 00:16:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:16:57,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:57,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:57,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:57,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:57,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:57,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1813147547, now seen corresponding path program 1 times [2022-11-26 00:16:57,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:57,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790874125] [2022-11-26 00:16:57,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:57,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:57,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:57,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:57,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-26 00:16:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:57,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:16:57,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:16:57,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:16:57,629 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:16:57,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790874125] [2022-11-26 00:16:57,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790874125] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:16:57,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:16:57,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:16:57,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557467676] [2022-11-26 00:16:57,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:16:57,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:16:57,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:16:57,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:16:57,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:57,632 INFO L87 Difference]: Start difference. First operand 58 states and 70 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-26 00:16:57,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:57,660 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2022-11-26 00:16:57,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:16:57,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2022-11-26 00:16:57,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:57,662 INFO L225 Difference]: With dead ends: 97 [2022-11-26 00:16:57,662 INFO L226 Difference]: Without dead ends: 59 [2022-11-26 00:16:57,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:16:57,664 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 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 [2022-11-26 00:16:57,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:16:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-26 00:16:57,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-11-26 00:16:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.372093023255814) internal successors, (59), 53 states have internal predecessors, (59), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:16:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 71 transitions. [2022-11-26 00:16:57,674 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 71 transitions. Word has length 20 [2022-11-26 00:16:57,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:57,674 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 71 transitions. [2022-11-26 00:16:57,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2022-11-26 00:16:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2022-11-26 00:16:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-26 00:16:57,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:57,676 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:57,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:57,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:57,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:57,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:57,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1855993893, now seen corresponding path program 1 times [2022-11-26 00:16:57,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:57,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750227167] [2022-11-26 00:16:57,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:57,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:57,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:57,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:57,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-26 00:16:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:58,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:16:58,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:16:58,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,168 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:16:58,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750227167] [2022-11-26 00:16:58,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750227167] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:16:58,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1812444475] [2022-11-26 00:16:58,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:16:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:16:58,192 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:16:58,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-26 00:16:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:58,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:16:58,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:16:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1812444475] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:16:58,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190819668] [2022-11-26 00:16:58,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:58,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:16:58,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:16:58,481 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:16:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-26 00:16:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:16:58,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:16:58,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:16:58,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:16:58,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:16:58,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190819668] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:16:58,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:16:58,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-26 00:16:58,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693735764] [2022-11-26 00:16:58,676 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:16:58,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:16:58,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:16:58,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:16:58,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:16:58,678 INFO L87 Difference]: Start difference. First operand 59 states and 71 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-11-26 00:16:58,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:16:58,765 INFO L93 Difference]: Finished difference Result 100 states and 119 transitions. [2022-11-26 00:16:58,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:16:58,766 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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 20 [2022-11-26 00:16:58,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:16:58,767 INFO L225 Difference]: With dead ends: 100 [2022-11-26 00:16:58,767 INFO L226 Difference]: Without dead ends: 52 [2022-11-26 00:16:58,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:16:58,769 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 40 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:16:58,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 244 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:16:58,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-26 00:16:58,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-26 00:16:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 46 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:16:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2022-11-26 00:16:58,776 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 20 [2022-11-26 00:16:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:16:58,777 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2022-11-26 00:16:58,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 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) [2022-11-26 00:16:58,777 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-11-26 00:16:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-26 00:16:58,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:16:58,778 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:16:58,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:58,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:59,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:16:59,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:59,382 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:16:59,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:16:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 372874208, now seen corresponding path program 1 times [2022-11-26 00:16:59,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:16:59,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758657454] [2022-11-26 00:16:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:16:59,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:16:59,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:16:59,384 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:16:59,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-26 00:18:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:18:31,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:18:31,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:18:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:18:33,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:18:33,257 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:18:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [758657454] [2022-11-26 00:18:33,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [758657454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:18:33,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:18:33,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:18:33,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551132933] [2022-11-26 00:18:33,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:18:33,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:18:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:18:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:18:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:18:33,260 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-26 00:18:36,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-26 00:18:38,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:18:38,188 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2022-11-26 00:18:38,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-26 00:18:38,190 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 21 [2022-11-26 00:18:38,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:18:38,191 INFO L225 Difference]: With dead ends: 121 [2022-11-26 00:18:38,191 INFO L226 Difference]: Without dead ends: 82 [2022-11-26 00:18:38,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-26 00:18:38,192 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 39 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 319 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 [2022-11-26 00:18:38,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 319 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 59 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:18:38,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-26 00:18:38,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 64. [2022-11-26 00:18:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 56 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:18:38,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2022-11-26 00:18:38,203 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 21 [2022-11-26 00:18:38,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:18:38,203 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2022-11-26 00:18:38,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-26 00:18:38,203 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-11-26 00:18:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:18:38,204 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:18:38,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:18:38,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-26 00:18:38,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:18:38,420 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:18:38,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:18:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1325801347, now seen corresponding path program 1 times [2022-11-26 00:18:38,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:18:38,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312675170] [2022-11-26 00:18:38,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:18:38,421 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:18:38,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:18:38,422 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:18:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-26 00:20:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:14,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:14,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:20:16,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:16,879 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:16,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312675170] [2022-11-26 00:20:16,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312675170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:16,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:16,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:20:16,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131045001] [2022-11-26 00:20:16,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:16,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:20:16,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:16,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:20:16,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:16,881 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-11-26 00:20:19,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:19,040 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2022-11-26 00:20:19,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:20:19,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 22 [2022-11-26 00:20:19,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:19,042 INFO L225 Difference]: With dead ends: 82 [2022-11-26 00:20:19,042 INFO L226 Difference]: Without dead ends: 81 [2022-11-26 00:20:19,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-26 00:20:19,043 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 35 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 270 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 [2022-11-26 00:20:19,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 270 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-26 00:20:19,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-26 00:20:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 63. [2022-11-26 00:20:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 55 states have internal predecessors, (64), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:20:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2022-11-26 00:20:19,058 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 22 [2022-11-26 00:20:19,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:19,059 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2022-11-26 00:20:19,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-11-26 00:20:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-11-26 00:20:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-26 00:20:19,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:19,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:19,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:19,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:19,261 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:19,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1358118433, now seen corresponding path program 1 times [2022-11-26 00:20:19,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:19,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892254120] [2022-11-26 00:20:19,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:19,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:19,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:19,263 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:19,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-26 00:20:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:19,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:20:19,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:19,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:20:19,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:19,396 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:19,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892254120] [2022-11-26 00:20:19,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892254120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:19,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:19,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:19,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358352245] [2022-11-26 00:20:19,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:19,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:19,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:19,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:19,404 INFO L87 Difference]: Start difference. First operand 63 states and 74 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, (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) [2022-11-26 00:20:19,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:19,427 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2022-11-26 00:20:19,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:19,428 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, (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 22 [2022-11-26 00:20:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:19,429 INFO L225 Difference]: With dead ends: 103 [2022-11-26 00:20:19,429 INFO L226 Difference]: Without dead ends: 83 [2022-11-26 00:20:19,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:19,431 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 11 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 110 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 [2022-11-26 00:20:19,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 110 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:19,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-26 00:20:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 65. [2022-11-26 00:20:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 57 states have internal predecessors, (66), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:20:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2022-11-26 00:20:19,440 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 22 [2022-11-26 00:20:19,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:19,441 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2022-11-26 00:20:19,441 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, (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) [2022-11-26 00:20:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-11-26 00:20:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-26 00:20:19,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:19,442 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] [2022-11-26 00:20:19,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:19,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:19,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash 241906537, now seen corresponding path program 1 times [2022-11-26 00:20:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:19,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832598422] [2022-11-26 00:20:19,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:19,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:19,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:19,665 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:19,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-26 00:20:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:19,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:19,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:19,808 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:19,812 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:19,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832598422] [2022-11-26 00:20:19,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832598422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:19,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:19,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:19,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527435294] [2022-11-26 00:20:19,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:19,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:19,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:19,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:19,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:19,814 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:19,861 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2022-11-26 00:20:19,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-11-26 00:20:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:19,863 INFO L225 Difference]: With dead ends: 83 [2022-11-26 00:20:19,863 INFO L226 Difference]: Without dead ends: 82 [2022-11-26 00:20:19,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:19,864 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 7 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:19,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 162 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:19,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-26 00:20:19,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-26 00:20:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 72 states have internal predecessors, (83), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-26 00:20:19,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 97 transitions. [2022-11-26 00:20:19,874 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 97 transitions. Word has length 27 [2022-11-26 00:20:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:19,874 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 97 transitions. [2022-11-26 00:20:19,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-26 00:20:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 97 transitions. [2022-11-26 00:20:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:20:19,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:19,876 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:19,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:20,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,091 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:20,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:20,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1781573270, now seen corresponding path program 1 times [2022-11-26 00:20:20,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:20,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581027430] [2022-11-26 00:20:20,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:20,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:20,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:20,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-26 00:20:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:20,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:20:20,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:20,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:20,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:20,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581027430] [2022-11-26 00:20:20,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581027430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:20,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:20,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:20,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192240545] [2022-11-26 00:20:20,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:20,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:20,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:20,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:20,239 INFO L87 Difference]: Start difference. First operand 82 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:20:20,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:20,263 INFO L93 Difference]: Finished difference Result 101 states and 117 transitions. [2022-11-26 00:20:20,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:20,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-26 00:20:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:20,265 INFO L225 Difference]: With dead ends: 101 [2022-11-26 00:20:20,265 INFO L226 Difference]: Without dead ends: 87 [2022-11-26 00:20:20,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:20,266 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 4 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:20,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 109 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:20,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-26 00:20:20,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2022-11-26 00:20:20,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 73 states have internal predecessors, (84), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-26 00:20:20,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 98 transitions. [2022-11-26 00:20:20,287 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 98 transitions. Word has length 33 [2022-11-26 00:20:20,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:20,287 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 98 transitions. [2022-11-26 00:20:20,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:20:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2022-11-26 00:20:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-26 00:20:20,289 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:20,289 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:20,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:20,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,505 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:20,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:20,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1781624716, now seen corresponding path program 1 times [2022-11-26 00:20:20,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:20,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143303327] [2022-11-26 00:20:20,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:20,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:20,507 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:20,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-26 00:20:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:20,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:20,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:20,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:20,660 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:20,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143303327] [2022-11-26 00:20:20,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143303327] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:20,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:20,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:20,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761303891] [2022-11-26 00:20:20,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:20,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:20,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:20,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:20,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:20,663 INFO L87 Difference]: Start difference. First operand 83 states and 98 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:20:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:20,714 INFO L93 Difference]: Finished difference Result 87 states and 102 transitions. [2022-11-26 00:20:20,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-26 00:20:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:20,716 INFO L225 Difference]: With dead ends: 87 [2022-11-26 00:20:20,716 INFO L226 Difference]: Without dead ends: 86 [2022-11-26 00:20:20,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:20,717 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 2 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:20,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 159 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:20,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-26 00:20:20,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-26 00:20:20,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.2083333333333333) internal successors, (87), 76 states have internal predecessors, (87), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-26 00:20:20,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2022-11-26 00:20:20,728 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 33 [2022-11-26 00:20:20,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:20,729 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2022-11-26 00:20:20,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:20:20,729 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2022-11-26 00:20:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-26 00:20:20,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:20,731 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:20,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:20,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,945 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:20,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:20,945 INFO L85 PathProgramCache]: Analyzing trace with hash 442280210, now seen corresponding path program 1 times [2022-11-26 00:20:20,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:20,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1192048541] [2022-11-26 00:20:20,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:20,946 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:20,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:20,947 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:20,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-26 00:20:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:21,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:21,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:21,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-26 00:20:21,199 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:21,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1192048541] [2022-11-26 00:20:21,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1192048541] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:21,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2082004876] [2022-11-26 00:20:21,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:21,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:20:21,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:20:21,204 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:20:21,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2022-11-26 00:20:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:21,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:21,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:21,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-26 00:20:21,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2082004876] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:21,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412753160] [2022-11-26 00:20:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:21,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:21,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:21,484 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:21,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-26 00:20:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:21,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:21,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-26 00:20:21,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-26 00:20:21,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412753160] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:21,668 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:20:21,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-26 00:20:21,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184420327] [2022-11-26 00:20:21,669 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:20:21,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:20:21,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:21,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:20:21,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:20:21,680 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-26 00:20:21,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:21,760 INFO L93 Difference]: Finished difference Result 116 states and 134 transitions. [2022-11-26 00:20:21,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:20:21,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 38 [2022-11-26 00:20:21,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:21,762 INFO L225 Difference]: With dead ends: 116 [2022-11-26 00:20:21,762 INFO L226 Difference]: Without dead ends: 68 [2022-11-26 00:20:21,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:20:21,763 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:21,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 231 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:20:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-26 00:20:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2022-11-26 00:20:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 53 states have (on average 1.169811320754717) internal successors, (62), 57 states have internal predecessors, (62), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:20:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2022-11-26 00:20:21,777 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 38 [2022-11-26 00:20:21,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:21,778 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2022-11-26 00:20:21,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-26 00:20:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-11-26 00:20:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-26 00:20:21,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:21,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:21,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:22,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:22,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:22,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:22,387 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:22,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:22,387 INFO L85 PathProgramCache]: Analyzing trace with hash 231476570, now seen corresponding path program 1 times [2022-11-26 00:20:22,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:22,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450267726] [2022-11-26 00:20:22,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:22,387 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:22,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:22,388 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:22,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-26 00:20:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:22,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:20:22,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:22,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:22,570 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:22,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450267726] [2022-11-26 00:20:22,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450267726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:22,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:22,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:20:22,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992731482] [2022-11-26 00:20:22,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:22,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:20:22,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:22,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:20:22,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:22,573 INFO L87 Difference]: Start difference. First operand 64 states and 72 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, (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) [2022-11-26 00:20:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:22,798 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2022-11-26 00:20:22,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:20:22,806 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, (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 37 [2022-11-26 00:20:22,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:22,807 INFO L225 Difference]: With dead ends: 64 [2022-11-26 00:20:22,807 INFO L226 Difference]: Without dead ends: 62 [2022-11-26 00:20:22,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:20:22,808 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 7 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 93 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 [2022-11-26 00:20:22,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 93 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:20:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-26 00:20:22,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-26 00:20:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 55 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:20:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 70 transitions. [2022-11-26 00:20:22,815 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 70 transitions. Word has length 37 [2022-11-26 00:20:22,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:22,816 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 70 transitions. [2022-11-26 00:20:22,816 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, (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) [2022-11-26 00:20:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-11-26 00:20:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-26 00:20:22,817 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:22,817 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:22,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:23,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:23,032 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:23,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash 231528016, now seen corresponding path program 1 times [2022-11-26 00:20:23,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:23,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119200601] [2022-11-26 00:20:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:23,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:23,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:23,035 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:23,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-26 00:20:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:23,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:23,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,185 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:23,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,267 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:23,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119200601] [2022-11-26 00:20:23,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119200601] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:23,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [618394843] [2022-11-26 00:20:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:23,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:20:23,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:20:23,271 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:20:23,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-26 00:20:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:23,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:23,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [618394843] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:23,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413664712] [2022-11-26 00:20:23,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:23,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:23,537 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:23,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-26 00:20:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:23,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:23,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:23,681 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:23,714 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:20:23,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413664712] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:23,714 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:20:23,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-26 00:20:23,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971006771] [2022-11-26 00:20:23,715 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:20:23,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:20:23,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:23,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:20:23,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:20:23,717 INFO L87 Difference]: Start difference. First operand 62 states and 70 transitions. Second operand has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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) [2022-11-26 00:20:23,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:23,766 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2022-11-26 00:20:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:20:23,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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 37 [2022-11-26 00:20:23,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:23,768 INFO L225 Difference]: With dead ends: 75 [2022-11-26 00:20:23,768 INFO L226 Difference]: Without dead ends: 58 [2022-11-26 00:20:23,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:20:23,769 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 20 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:23,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 222 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-26 00:20:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-26 00:20:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.1) internal successors, (55), 51 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-26 00:20:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions. [2022-11-26 00:20:23,778 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 37 [2022-11-26 00:20:23,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:23,778 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions. [2022-11-26 00:20:23,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 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) [2022-11-26 00:20:23,779 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-11-26 00:20:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-26 00:20:23,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:23,780 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:23,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:24,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:24,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:24,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:24,394 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:24,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:24,395 INFO L85 PathProgramCache]: Analyzing trace with hash -641210081, now seen corresponding path program 1 times [2022-11-26 00:20:24,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:24,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737235038] [2022-11-26 00:20:24,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:24,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:24,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:24,398 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:24,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-26 00:20:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:24,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:20:24,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:24,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-26 00:20:24,582 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:20:24,583 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:24,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737235038] [2022-11-26 00:20:24,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737235038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:20:24,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:20:24,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:20:24,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899341595] [2022-11-26 00:20:24,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:20:24,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:20:24,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:24,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:20:24,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:20:24,585 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:20:24,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:24,631 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2022-11-26 00:20:24,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:20:24,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-26 00:20:24,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:24,632 INFO L225 Difference]: With dead ends: 66 [2022-11-26 00:20:24,633 INFO L226 Difference]: Without dead ends: 65 [2022-11-26 00:20:24,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:20:24,633 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:24,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 149 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-26 00:20:24,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-26 00:20:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 57 states have internal predecessors, (61), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-26 00:20:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2022-11-26 00:20:24,642 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 45 [2022-11-26 00:20:24,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:24,642 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2022-11-26 00:20:24,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-26 00:20:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-11-26 00:20:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 00:20:24,643 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:20:24,644 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:24,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:24,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:24,857 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2022-11-26 00:20:24,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:20:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1812827450, now seen corresponding path program 1 times [2022-11-26 00:20:24,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:20:24,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1515864469] [2022-11-26 00:20:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:24,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-26 00:20:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:20:24,859 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-26 00:20:24,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-26 00:20:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:25,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:25,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:25,075 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-26 00:20:25,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:20:25,170 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:20:25,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1515864469] [2022-11-26 00:20:25,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1515864469] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:25,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1895537230] [2022-11-26 00:20:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-26 00:20:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 [2022-11-26 00:20:25,179 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-26 00:20:25,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-11-26 00:20:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:25,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:25,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:25,517 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-26 00:20:25,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:20:25,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1895537230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:25,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660977910] [2022-11-26 00:20:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:20:25,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:20:25,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:20:25,569 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:20:25,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-26 00:20:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:20:25,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:20:25,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:20:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-26 00:20:25,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:20:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-26 00:20:25,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660977910] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:20:25,800 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-26 00:20:25,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-26 00:20:25,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311032085] [2022-11-26 00:20:25,800 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-26 00:20:25,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-26 00:20:25,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:20:25,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-26 00:20:25,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:20:25,803 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-26 00:20:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:20:25,851 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2022-11-26 00:20:25,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:20:25,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 55 [2022-11-26 00:20:25,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:20:25,853 INFO L225 Difference]: With dead ends: 69 [2022-11-26 00:20:25,853 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:20:25,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-26 00:20:25,854 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:20:25,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 325 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-26 00:20:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:20:25,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:20:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:20:25,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:20:25,856 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-11-26 00:20:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:20:25,856 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:20:25,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-26 00:20:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:20:25,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:20:25,859 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2022-11-26 00:20:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2022-11-26 00:20:25,860 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2022-11-26 00:20:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2022-11-26 00:20:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2022-11-26 00:20:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2022-11-26 00:20:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2022-11-26 00:20:25,861 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2022-11-26 00:20:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2022-11-26 00:20:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2022-11-26 00:20:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2022-11-26 00:20:25,862 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2022-11-26 00:20:25,863 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2022-11-26 00:20:25,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:26,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:26,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2022-11-26 00:20:26,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/cvc4 --incremental --print-success --lang smt [2022-11-26 00:20:26,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:20:28,034 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-26 00:20:28,034 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1855) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L895 garLoopResultBuilder]: At program point L1877(line 1877) the Hoare annotation is: (and (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv0 32)) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32)) (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32)) (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|)) [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point L1877-1(lines 1873 1879) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point L1869-2(lines 1869 1872) no Hoare annotation was computed. [2022-11-26 00:20:28,035 INFO L899 garLoopResultBuilder]: For program point L1869-3(line 1869) no Hoare annotation was computed. [2022-11-26 00:20:28,036 INFO L899 garLoopResultBuilder]: For program point L1869-4(line 1869) no Hoare annotation was computed. [2022-11-26 00:20:28,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1851) no Hoare annotation was computed. [2022-11-26 00:20:28,036 INFO L895 garLoopResultBuilder]: At program point L1869-5(lines 1869 1872) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv0 32))) (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32)) (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|)))) [2022-11-26 00:20:28,036 INFO L899 garLoopResultBuilder]: For program point L1869-6(lines 1869 1872) no Hoare annotation was computed. [2022-11-26 00:20:28,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1837) no Hoare annotation was computed. [2022-11-26 00:20:28,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point L1853(line 1853) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point L1853-1(line 1853) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point L1853-3(lines 1853 1861) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point L1837-2(lines 1837 1850) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point L1837-3(line 1837) no Hoare annotation was computed. [2022-11-26 00:20:28,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2022-11-26 00:20:28,038 INFO L899 garLoopResultBuilder]: For program point L1837-4(line 1837) no Hoare annotation was computed. [2022-11-26 00:20:28,038 INFO L895 garLoopResultBuilder]: At program point L1837-5(lines 1837 1850) the Hoare annotation is: (or (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)))) (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv0 32)))) [2022-11-26 00:20:28,038 INFO L899 garLoopResultBuilder]: For program point L1837-6(lines 1837 1850) no Hoare annotation was computed. [2022-11-26 00:20:28,039 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1837) no Hoare annotation was computed. [2022-11-26 00:20:28,039 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-26 00:20:28,039 INFO L899 garLoopResultBuilder]: For program point L1855(line 1855) no Hoare annotation was computed. [2022-11-26 00:20:28,039 INFO L899 garLoopResultBuilder]: For program point L1855-1(line 1855) no Hoare annotation was computed. [2022-11-26 00:20:28,039 INFO L895 garLoopResultBuilder]: At program point L1847(line 1847) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)))) (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv0 32))) [2022-11-26 00:20:28,040 INFO L899 garLoopResultBuilder]: For program point L1847-1(lines 1841 1848) no Hoare annotation was computed. [2022-11-26 00:20:28,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1873) no Hoare annotation was computed. [2022-11-26 00:20:28,040 INFO L899 garLoopResultBuilder]: For program point L1864(lines 1864 1880) no Hoare annotation was computed. [2022-11-26 00:20:28,040 INFO L902 garLoopResultBuilder]: At program point L1889(line 1889) the Hoare annotation is: true [2022-11-26 00:20:28,040 INFO L899 garLoopResultBuilder]: For program point L1889-1(line 1889) no Hoare annotation was computed. [2022-11-26 00:20:28,040 INFO L895 garLoopResultBuilder]: At program point L1856(line 1856) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)))) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) [2022-11-26 00:20:28,041 INFO L899 garLoopResultBuilder]: For program point L1881(lines 1881 1885) no Hoare annotation was computed. [2022-11-26 00:20:28,041 INFO L899 garLoopResultBuilder]: For program point L1873-2(line 1873) no Hoare annotation was computed. [2022-11-26 00:20:28,041 INFO L899 garLoopResultBuilder]: For program point L1873-3(line 1873) no Hoare annotation was computed. [2022-11-26 00:20:28,041 INFO L895 garLoopResultBuilder]: At program point L1873-4(lines 1873 1879) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32))) (.cse1 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32))) (.cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| (_ bv1 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv1 32)) .cse2 .cse3) (and (= |ULTIMATE.start_goodG2B_~j~0#1| (_ bv0 32)) .cse0 .cse1 .cse2 .cse3))) [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1876) no Hoare annotation was computed. [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1863) no Hoare annotation was computed. [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1855) no Hoare annotation was computed. [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1848) no Hoare annotation was computed. [2022-11-26 00:20:28,042 INFO L902 garLoopResultBuilder]: At program point L1891(line 1891) the Hoare annotation is: true [2022-11-26 00:20:28,042 INFO L899 garLoopResultBuilder]: For program point L1891-1(line 1891) no Hoare annotation was computed. [2022-11-26 00:20:28,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:20:28,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1851) no Hoare annotation was computed. [2022-11-26 00:20:28,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1873) no Hoare annotation was computed. [2022-11-26 00:20:28,043 INFO L902 garLoopResultBuilder]: At program point L1892(lines 1886 1893) the Hoare annotation is: true [2022-11-26 00:20:28,043 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1853) no Hoare annotation was computed. [2022-11-26 00:20:28,043 INFO L899 garLoopResultBuilder]: For program point L1851-2(line 1851) no Hoare annotation was computed. [2022-11-26 00:20:28,044 INFO L899 garLoopResultBuilder]: For program point L1851-3(line 1851) no Hoare annotation was computed. [2022-11-26 00:20:28,044 INFO L895 garLoopResultBuilder]: At program point L1851-4(lines 1851 1862) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)))) (or (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv1 32)) .cse0))) [2022-11-26 00:20:28,044 INFO L899 garLoopResultBuilder]: For program point L1876(line 1876) no Hoare annotation was computed. [2022-11-26 00:20:28,044 INFO L899 garLoopResultBuilder]: For program point L1876-1(line 1876) no Hoare annotation was computed. [2022-11-26 00:20:28,044 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-26 00:20:28,044 INFO L895 garLoopResultBuilder]: At program point L1860(line 1860) the Hoare annotation is: (and (= |ULTIMATE.start_goodB2G_~i~1#1| (_ bv1 32)) (= |ULTIMATE.start_goodB2G_~k~0#1| (_ bv0 32))) [2022-11-26 00:20:28,045 INFO L899 garLoopResultBuilder]: For program point L1860-1(lines 1851 1862) no Hoare annotation was computed. [2022-11-26 00:20:28,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:20:28,050 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:20:28,071 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,072 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,073 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,073 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,073 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,073 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,074 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,074 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,075 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:20:28 BoogieIcfgContainer [2022-11-26 00:20:28,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:20:28,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:20:28,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:20:28,077 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:20:28,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:16:54" (3/4) ... [2022-11-26 00:20:28,081 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:20:28,087 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-26 00:20:28,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-26 00:20:28,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-26 00:20:28,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-26 00:20:28,093 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:20:28,094 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:20:28,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: i == 1bv32 || ((~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32)))) && i == 0bv32) [2022-11-26 00:20:28,190 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:20:28,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:20:28,191 INFO L158 Benchmark]: Toolchain (without parser) took 220209.35ms. Allocated memory was 67.1MB in the beginning and 107.0MB in the end (delta: 39.8MB). Free memory was 32.7MB in the beginning and 68.9MB in the end (delta: -36.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,191 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:20:28,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2552.17ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.5MB in the beginning and 36.1MB in the end (delta: -3.6MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.98ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 32.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,192 INFO L158 Benchmark]: Boogie Preprocessor took 44.93ms. Allocated memory is still 88.1MB. Free memory was 32.0MB in the beginning and 29.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,193 INFO L158 Benchmark]: RCFGBuilder took 3517.16ms. Allocated memory is still 88.1MB. Free memory was 29.4MB in the beginning and 39.7MB in the end (delta: -10.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,193 INFO L158 Benchmark]: TraceAbstraction took 213868.45ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 72.3MB in the end (delta: -33.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,194 INFO L158 Benchmark]: Witness Printer took 113.27ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 68.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-26 00:20:28,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2552.17ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 32.5MB in the beginning and 36.1MB in the end (delta: -3.6MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.98ms. Allocated memory is still 88.1MB. Free memory was 36.1MB in the beginning and 32.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.93ms. Allocated memory is still 88.1MB. Free memory was 32.0MB in the beginning and 29.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3517.16ms. Allocated memory is still 88.1MB. Free memory was 29.4MB in the beginning and 39.7MB in the end (delta: -10.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * TraceAbstraction took 213868.45ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 39.1MB in the beginning and 72.3MB in the end (delta: -33.2MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 113.27ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 68.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 1837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1837]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1855]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1855]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1876]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1873]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1873]: 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, 63 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 213.8s, OverallIterations: 16, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 251 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 2976 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2043 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 308 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 933 mSDtfsCounter, 308 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1185 GetRequests, 1124 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=11, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 70 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 38 PreInvPairs, 54 NumberOfFragments, 227 HoareAnnotationTreeSize, 38 FomulaSimplifications, 643 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 189.4s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 756 NumberOfCodeBlocks, 756 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1170 ConstructedInterpolants, 5 QuantifiedInterpolants, 2069 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2372 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 36 InterpolantComputations, 12 PerfectInterpolantSequences, 330/354 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 13 specifications checked. All of them hold - InvariantResult [Line: 1873]: Loop Invariant Derived loop invariant: ((((k == 1bv32 && i == 1bv32) && j == 1bv32) && h == 1bv32) && 2bv32 == data) || ((((j == 0bv32 && k == 1bv32) && i == 1bv32) && h == 1bv32) && 2bv32 == data) - InvariantResult [Line: 1869]: Loop Invariant Derived loop invariant: ((k == 1bv32 && i == 1bv32) && h == 0bv32) || (((k == 1bv32 && i == 1bv32) && h == 1bv32) && 2bv32 == data) - InvariantResult [Line: 1851]: Loop Invariant Derived loop invariant: (i == 1bv32 && k == 0bv32) || (k == 1bv32 && i == 1bv32) - InvariantResult [Line: 1837]: Loop Invariant [2022-11-26 00:20:28,207 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,207 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,208 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,208 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,208 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,208 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-26 00:20:28,209 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: i == 1bv32 || ((~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32)))) && i == 0bv32) - InvariantResult [Line: 1886]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-26 00:20:28,414 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-26 00:20:28,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2091276d-0bee-475e-8f05-1f9d86b3fc98/bin/utaipan-ByfvJB40ur/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