./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:43:29,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:43:29,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:43:29,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:43:29,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:43:29,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:43:29,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:43:29,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:43:29,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:43:29,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:43:29,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:43:29,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:43:29,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:43:29,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:43:29,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:43:29,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:43:29,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:43:29,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:43:29,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:43:29,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:43:29,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:43:29,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:43:29,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:43:29,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:43:29,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:43:29,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:43:29,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:43:29,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:43:29,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:43:29,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:43:29,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:43:29,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:43:29,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:43:29,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:43:29,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:43:29,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:43:29,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:43:29,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:43:29,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:43:29,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:43:29,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:43:29,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:43:29,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:43:29,711 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:43:29,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:43:29,712 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:43:29,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:43:29,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:43:29,713 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:43:29,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:43:29,714 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:43:29,714 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:43:29,715 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:43:29,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:43:29,716 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:43:29,716 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:43:29,716 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:43:29,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:43:29,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:43:29,717 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:43:29,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:43:29,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:43:29,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:43:29,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:43:29,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:43:29,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:43:29,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:43:29,719 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:43:29,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:43:29,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:43:29,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:43:29,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:43:29,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:43:29,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:43:29,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:43:29,722 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:43:29,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:43:29,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:43:29,723 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:43:29,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:43:29,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:43:29,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:43:29,724 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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2022-11-25 23:43:30,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:43:30,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:43:30,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:43:30,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:43:30,082 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:43:30,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2022-11-25 23:43:33,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:43:33,692 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:43:33,692 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2022-11-25 23:43:33,732 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/9b38d938e/a2c965a6ad70451f814031c7af05280e/FLAGe0282ec9a [2022-11-25 23:43:33,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/9b38d938e/a2c965a6ad70451f814031c7af05280e [2022-11-25 23:43:33,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:43:33,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:43:33,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:43:33,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:43:33,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:43:33,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:43:33" (1/1) ... [2022-11-25 23:43:33,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cebc5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:33, skipping insertion in model container [2022-11-25 23:43:33,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:43:33" (1/1) ... [2022-11-25 23:43:33,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:43:33,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:43:34,338 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:43:35,019 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:43:35,029 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:35,033 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:35,046 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:35,048 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:35,792 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-25 23:43:35,806 INFO L158 Benchmark]: Toolchain (without parser) took 2048.24ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 104.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:43:35,807 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:43:35,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2045.67ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 104.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 23:43:35,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2045.67ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 104.5MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:43:38,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:43:38,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:43:38,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:43:38,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:43:38,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:43:38,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:43:38,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:43:38,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:43:38,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:43:38,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:43:38,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:43:38,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:43:38,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:43:38,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:43:38,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:43:38,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:43:38,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:43:38,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:43:38,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:43:38,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:43:38,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:43:38,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:43:38,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:43:38,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:43:38,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:43:38,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:43:38,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:43:38,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:43:38,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:43:38,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:43:38,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:43:38,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:43:38,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:43:38,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:43:38,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:43:38,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:43:38,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:43:38,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:43:38,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:43:38,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:43:38,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:43:38,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:43:38,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:43:38,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:43:38,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:43:38,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:43:38,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:43:38,510 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:43:38,511 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:43:38,511 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:43:38,511 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:43:38,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:43:38,512 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:43:38,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:43:38,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:43:38,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:43:38,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:43:38,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:43:38,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:43:38,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:43:38,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:43:38,518 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:43:38,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:43:38,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:43:38,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:43:38,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:43:38,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:43:38,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:43:38,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:43:38,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:43:38,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:43:38,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:43:38,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:43:38,523 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:43:38,523 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:43:38,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:43:38,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:43:38,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:43:38,525 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_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 688c2dc37fcbab7d34d76e86ddd886e25ff3a3a1696e8612dd8097345fb642ef [2022-11-25 23:43:38,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:43:38,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:43:38,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:43:38,989 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:43:38,989 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:43:38,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2022-11-25 23:43:42,348 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:43:42,881 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:43:42,881 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_03_good.i [2022-11-25 23:43:42,918 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/3cdfdf6be/ed1b1837887947009c964f674b55b979/FLAG189221b4a [2022-11-25 23:43:42,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/data/3cdfdf6be/ed1b1837887947009c964f674b55b979 [2022-11-25 23:43:42,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:43:42,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:43:42,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:43:42,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:43:42,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:43:42,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:43:42" (1/1) ... [2022-11-25 23:43:42,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a51927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:42, skipping insertion in model container [2022-11-25 23:43:42,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:43:42" (1/1) ... [2022-11-25 23:43:42,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:43:43,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:43:43,544 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:43:44,326 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:43:44,332 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:44,334 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:44,337 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:44,338 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:44,972 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:43:44,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:43:44,988 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:43:45,026 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:43:45,111 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:43:45,113 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:45,114 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:43:45,129 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:45,130 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:43:45,162 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:43:45,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:43:45,568 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:43:45,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45 WrapperNode [2022-11-25 23:43:45,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:43:45,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:43:45,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:43:45,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:43:45,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,663 INFO L138 Inliner]: procedures = 946, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2022-11-25 23:43:45,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:43:45,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:43:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:43:45,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:43:45,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,702 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:43:45,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:43:45,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:43:45,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:43:45,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (1/1) ... [2022-11-25 23:43:45,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:43:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:43:45,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:43:45,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:43:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:43:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:43:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:43:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:43:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:43:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:43:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:43:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:43:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:43:45,999 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:43:46,002 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:43:53,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:43:53,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:43:53,470 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-25 23:43:53,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:43:53 BoogieIcfgContainer [2022-11-25 23:43:53,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:43:53,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:43:53,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:43:53,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:43:53,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:43:42" (1/3) ... [2022-11-25 23:43:53,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cecd2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:43:53, skipping insertion in model container [2022-11-25 23:43:53,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:43:45" (2/3) ... [2022-11-25 23:43:53,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cecd2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:43:53, skipping insertion in model container [2022-11-25 23:43:53,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:43:53" (3/3) ... [2022-11-25 23:43:53,487 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_square_03_good.i [2022-11-25 23:43:53,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:43:53,510 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-25 23:43:53,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:43:53,601 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;@5866ef27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:43:53,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 23:43:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:43:53,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 23:43:53,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:53,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:53,615 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:53,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:53,621 INFO L85 PathProgramCache]: Analyzing trace with hash 332050984, now seen corresponding path program 1 times [2022-11-25 23:43:53,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:53,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414937135] [2022-11-25 23:43:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:53,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:53,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:53,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:53,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:53,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:43:53,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:43:53,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:53,905 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:53,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414937135] [2022-11-25 23:43:53,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414937135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:53,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:53,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:43:53,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201782743] [2022-11-25 23:43:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:53,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:43:53,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:53,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:43:53,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:43:53,991 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.6388888888888888) internal successors, (59), 53 states have internal predecessors, (59), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:54,251 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2022-11-25 23:43:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:43:54,265 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 23:43:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:54,274 INFO L225 Difference]: With dead ends: 109 [2022-11-25 23:43:54,275 INFO L226 Difference]: Without dead ends: 47 [2022-11-25 23:43:54,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:54,283 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 38 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:54,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 129 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:43:54,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-25 23:43:54,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-11-25 23:43:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 39 states have internal predecessors, (42), 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) [2022-11-25 23:43:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2022-11-25 23:43:54,325 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 12 [2022-11-25 23:43:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:54,327 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2022-11-25 23:43:54,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-25 23:43:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:43:54,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:54,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:54,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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)] Ended with exit code 0 [2022-11-25 23:43:54,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:54,543 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:54,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:54,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1273542860, now seen corresponding path program 1 times [2022-11-25 23:43:54,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:54,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475611271] [2022-11-25 23:43:54,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:54,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:54,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:54,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:54,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:43:54,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:43:54,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:54,715 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:54,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475611271] [2022-11-25 23:43:54,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475611271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:54,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:54,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:43:54,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170910592] [2022-11-25 23:43:54,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:54,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:43:54,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:54,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:43:54,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:43:54,719 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:54,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:54,838 INFO L93 Difference]: Finished difference Result 84 states and 94 transitions. [2022-11-25 23:43:54,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:43:54,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 23:43:54,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:54,845 INFO L225 Difference]: With dead ends: 84 [2022-11-25 23:43:54,846 INFO L226 Difference]: Without dead ends: 46 [2022-11-25 23:43:54,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:54,848 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:54,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 104 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:43:54,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-25 23:43:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-25 23:43:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 39 states have internal predecessors, (41), 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) [2022-11-25 23:43:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-11-25 23:43:54,858 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 14 [2022-11-25 23:43:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:54,858 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-11-25 23:43:54,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-11-25 23:43:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:43:54,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:54,859 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:54,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:55,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:55,068 INFO L85 PathProgramCache]: Analyzing trace with hash 821248253, now seen corresponding path program 1 times [2022-11-25 23:43:55,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:55,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2007752973] [2022-11-25 23:43:55,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:55,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:55,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:55,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:55,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:43:55,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:43:55,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:55,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:55,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2007752973] [2022-11-25 23:43:55,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2007752973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:55,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:55,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:43:55,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074255932] [2022-11-25 23:43:55,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:55,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:43:55,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:55,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:43:55,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:55,342 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:55,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:55,409 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-25 23:43:55,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:43:55,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 23:43:55,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:55,411 INFO L225 Difference]: With dead ends: 46 [2022-11-25 23:43:55,411 INFO L226 Difference]: Without dead ends: 43 [2022-11-25 23:43:55,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:43:55,413 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:55,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 144 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:43:55,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-25 23:43:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-25 23:43:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 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) [2022-11-25 23:43:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2022-11-25 23:43:55,442 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 15 [2022-11-25 23:43:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:55,442 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2022-11-25 23:43:55,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:43:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-25 23:43:55,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 23:43:55,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:55,444 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:55,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,663 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:55,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:55,663 INFO L85 PathProgramCache]: Analyzing trace with hash -2060890374, now seen corresponding path program 1 times [2022-11-25 23:43:55,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:55,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030204730] [2022-11-25 23:43:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:55,664 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 [2022-11-25 23:43:55,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:55,666 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:55,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:55,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:43:55,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:43:55,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:55,802 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:55,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030204730] [2022-11-25 23:43:55,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030204730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:55,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:55,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:43:55,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398693541] [2022-11-25 23:43:55,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:55,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:43:55,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:55,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:43:55,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:43:55,805 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:56,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:56,016 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2022-11-25 23:43:56,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:43:56,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (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 23 [2022-11-25 23:43:56,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:56,028 INFO L225 Difference]: With dead ends: 60 [2022-11-25 23:43:56,028 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 23:43:56,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:56,030 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 19 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:56,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 95 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:43:56,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 23:43:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2022-11-25 23:43:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.206896551724138) internal successors, (35), 33 states have internal predecessors, (35), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:43:56,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2022-11-25 23:43:56,044 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 23 [2022-11-25 23:43:56,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:56,045 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2022-11-25 23:43:56,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:56,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-25 23:43:56,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 23:43:56,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:56,046 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] [2022-11-25 23:43:56,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:56,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:56,247 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:56,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:56,248 INFO L85 PathProgramCache]: Analyzing trace with hash -535597858, now seen corresponding path program 1 times [2022-11-25 23:43:56,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:56,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858581256] [2022-11-25 23:43:56,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:56,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:56,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:56,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:56,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:56,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 23:43:56,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:43:56,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:56,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:56,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858581256] [2022-11-25 23:43:56,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858581256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:56,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:56,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:43:56,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073182693] [2022-11-25 23:43:56,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:56,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:43:56,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:56,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:43:56,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:43:56,434 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:56,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:56,549 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2022-11-25 23:43:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:43:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 25 [2022-11-25 23:43:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:56,556 INFO L225 Difference]: With dead ends: 65 [2022-11-25 23:43:56,556 INFO L226 Difference]: Without dead ends: 40 [2022-11-25 23:43:56,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:56,558 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 19 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:56,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 92 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:43:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-25 23:43:56,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-11-25 23:43:56,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:43:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2022-11-25 23:43:56,565 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 25 [2022-11-25 23:43:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:56,565 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2022-11-25 23:43:56,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2022-11-25 23:43:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 23:43:56,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:56,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:56,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:56,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:56,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:56,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:56,783 INFO L85 PathProgramCache]: Analyzing trace with hash 572460873, now seen corresponding path program 1 times [2022-11-25 23:43:56,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:56,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [207635199] [2022-11-25 23:43:56,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:56,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:56,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:56,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 (7)] Waiting until timeout for monitored process [2022-11-25 23:43:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:56,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:43:56,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 23:43:57,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:57,053 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:57,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [207635199] [2022-11-25 23:43:57,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [207635199] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:57,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:57,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:43:57,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269178672] [2022-11-25 23:43:57,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:57,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:43:57,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:57,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:43:57,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:43:57,056 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:57,122 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2022-11-25 23:43:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:43:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2022-11-25 23:43:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:57,125 INFO L225 Difference]: With dead ends: 40 [2022-11-25 23:43:57,125 INFO L226 Difference]: Without dead ends: 37 [2022-11-25 23:43:57,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:43:57,127 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 15 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:57,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 123 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:43:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-25 23:43:57,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-25 23:43:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 30 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:43:57,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2022-11-25 23:43:57,133 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 26 [2022-11-25 23:43:57,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:57,133 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2022-11-25 23:43:57,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 23:43:57,134 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2022-11-25 23:43:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 23:43:57,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:57,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:57,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:43:57,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:57,354 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:57,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:57,355 INFO L85 PathProgramCache]: Analyzing trace with hash -151777092, now seen corresponding path program 1 times [2022-11-25 23:43:57,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:57,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419615780] [2022-11-25 23:43:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:57,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:57,357 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:57,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 (8)] Waiting until timeout for monitored process [2022-11-25 23:43:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:57,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:43:57,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:57,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 23:43:57,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:57,508 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:57,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419615780] [2022-11-25 23:43:57,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419615780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:57,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:57,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:43:57,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646729893] [2022-11-25 23:43:57,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:57,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:43:57,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:57,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:43:57,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:43:57,510 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:43:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:57,625 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-25 23:43:57,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:43:57,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-25 23:43:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:57,633 INFO L225 Difference]: With dead ends: 37 [2022-11-25 23:43:57,633 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 23:43:57,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:43:57,634 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:57,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 62 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:43:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 23:43:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 23:43:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:43:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2022-11-25 23:43:57,640 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 32 [2022-11-25 23:43:57,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:57,641 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2022-11-25 23:43:57,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:43:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-11-25 23:43:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-25 23:43:57,642 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:43:57,642 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:57,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:43:57,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:57,858 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2022-11-25 23:43:57,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:43:57,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1697458488, now seen corresponding path program 1 times [2022-11-25 23:43:57,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:43:57,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601793892] [2022-11-25 23:43:57,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:43:57,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:43:57,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:43:57,861 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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) [2022-11-25 23:43:57,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:43:58,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:43:58,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:43:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-25 23:43:58,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:43:58,064 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:43:58,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601793892] [2022-11-25 23:43:58,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601793892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:43:58,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:43:58,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:43:58,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905387994] [2022-11-25 23:43:58,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:43:58,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:43:58,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:43:58,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:43:58,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:43:58,067 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:43:58,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:43:58,143 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2022-11-25 23:43:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:43:58,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-25 23:43:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:43:58,150 INFO L225 Difference]: With dead ends: 35 [2022-11-25 23:43:58,150 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:43:58,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:43:58,151 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:43:58,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:43:58,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:43:58,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:43:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 23:43:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:43:58,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-25 23:43:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:43:58,153 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:43:58,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-25 23:43:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:43:58,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:43:58,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-11-25 23:43:58,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-11-25 23:43:58,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-11-25 23:43:58,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-11-25 23:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2022-11-25 23:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2022-11-25 23:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-11-25 23:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-11-25 23:43:58,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-11-25 23:43:58,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-11-25 23:43:58,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:58,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/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 [2022-11-25 23:43:58,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:43:58,448 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:43:58,449 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:43:58,449 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 23:43:58,449 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:43:58,449 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:43:58,450 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:43:58,450 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:43:58,450 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1867) no Hoare annotation was computed. [2022-11-25 23:43:58,450 INFO L895 garLoopResultBuilder]: At program point L1910(line 1910) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 23:43:58,451 INFO L899 garLoopResultBuilder]: For program point L1902(lines 1902 1905) no Hoare annotation was computed. [2022-11-25 23:43:58,452 INFO L899 garLoopResultBuilder]: For program point L1869(line 1869) no Hoare annotation was computed. [2022-11-25 23:43:58,452 INFO L899 garLoopResultBuilder]: For program point L1836(lines 1836 1839) no Hoare annotation was computed. [2022-11-25 23:43:58,452 INFO L899 garLoopResultBuilder]: For program point L1869-1(line 1869) no Hoare annotation was computed. [2022-11-25 23:43:58,452 INFO L899 garLoopResultBuilder]: For program point L1902-2(lines 1899 1913) no Hoare annotation was computed. [2022-11-25 23:43:58,453 INFO L899 garLoopResultBuilder]: For program point L1836-2(lines 1833 1856) no Hoare annotation was computed. [2022-11-25 23:43:58,453 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2022-11-25 23:43:58,454 INFO L895 garLoopResultBuilder]: At program point L1927(lines 1921 1928) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 23:43:58,454 INFO L895 garLoopResultBuilder]: At program point L1894(line 1894) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) (= (_ bv2 32) |ULTIMATE.start_goodG2B1_~data~2#1|)) [2022-11-25 23:43:58,454 INFO L899 garLoopResultBuilder]: For program point L1861(lines 1861 1864) no Hoare annotation was computed. [2022-11-25 23:43:58,455 INFO L899 garLoopResultBuilder]: For program point L1861-2(lines 1858 1877) no Hoare annotation was computed. [2022-11-25 23:43:58,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1846) no Hoare annotation was computed. [2022-11-25 23:43:58,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:43:58,455 INFO L895 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 23:43:58,455 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 23:43:58,456 INFO L899 garLoopResultBuilder]: For program point L1853-1(lines 1840 1855) no Hoare annotation was computed. [2022-11-25 23:43:58,456 INFO L899 garLoopResultBuilder]: For program point L1878(lines 1878 1897) no Hoare annotation was computed. [2022-11-25 23:43:58,456 INFO L895 garLoopResultBuilder]: At program point L1870(line 1870) the Hoare annotation is: false [2022-11-25 23:43:58,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2022-11-25 23:43:58,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-25 23:43:58,457 INFO L899 garLoopResultBuilder]: For program point L1846(line 1846) no Hoare annotation was computed. [2022-11-25 23:43:58,457 INFO L899 garLoopResultBuilder]: For program point L1846-1(line 1846) no Hoare annotation was computed. [2022-11-25 23:43:58,457 INFO L899 garLoopResultBuilder]: For program point L1846-3(lines 1846 1854) no Hoare annotation was computed. [2022-11-25 23:43:58,457 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1909) no Hoare annotation was computed. [2022-11-25 23:43:58,457 INFO L899 garLoopResultBuilder]: For program point L1914(lines 1914 1920) no Hoare annotation was computed. [2022-11-25 23:43:58,459 INFO L899 garLoopResultBuilder]: For program point L1848(line 1848) no Hoare annotation was computed. [2022-11-25 23:43:58,459 INFO L899 garLoopResultBuilder]: For program point L1848-1(line 1848) no Hoare annotation was computed. [2022-11-25 23:43:58,459 INFO L899 garLoopResultBuilder]: For program point L1898(lines 1898 1913) no Hoare annotation was computed. [2022-11-25 23:43:58,460 INFO L899 garLoopResultBuilder]: For program point L1857(lines 1857 1877) no Hoare annotation was computed. [2022-11-25 23:43:58,461 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 23:43:58,462 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-25 23:43:58,462 INFO L899 garLoopResultBuilder]: For program point L1882(lines 1882 1889) no Hoare annotation was computed. [2022-11-25 23:43:58,463 INFO L895 garLoopResultBuilder]: At program point L1849(line 1849) the Hoare annotation is: false [2022-11-25 23:43:58,466 INFO L899 garLoopResultBuilder]: For program point L1882-1(lines 1879 1897) no Hoare annotation was computed. [2022-11-25 23:43:58,467 INFO L895 garLoopResultBuilder]: At program point L1874(line 1874) the Hoare annotation is: (and (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G2_~data~1#1|) (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|)) [2022-11-25 23:43:58,467 INFO L902 garLoopResultBuilder]: At program point L1924(line 1924) the Hoare annotation is: true [2022-11-25 23:43:58,467 INFO L899 garLoopResultBuilder]: For program point L1924-1(line 1924) no Hoare annotation was computed. [2022-11-25 23:43:58,467 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:43:58,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1869) no Hoare annotation was computed. [2022-11-25 23:43:58,468 INFO L895 garLoopResultBuilder]: At program point L1842(line 1842) the Hoare annotation is: false [2022-11-25 23:43:58,468 INFO L899 garLoopResultBuilder]: For program point L1867(line 1867) no Hoare annotation was computed. [2022-11-25 23:43:58,468 INFO L899 garLoopResultBuilder]: For program point L1867-1(line 1867) no Hoare annotation was computed. [2022-11-25 23:43:58,468 INFO L899 garLoopResultBuilder]: For program point L1867-3(lines 1867 1875) no Hoare annotation was computed. [2022-11-25 23:43:58,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1848) no Hoare annotation was computed. [2022-11-25 23:43:58,469 INFO L895 garLoopResultBuilder]: At program point L1884(line 1884) the Hoare annotation is: false [2022-11-25 23:43:58,469 INFO L899 garLoopResultBuilder]: For program point L1909(line 1909) no Hoare annotation was computed. [2022-11-25 23:43:58,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1893) no Hoare annotation was computed. [2022-11-25 23:43:58,470 INFO L895 garLoopResultBuilder]: At program point L1926(line 1926) the Hoare annotation is: (= (_ bv2147483647 32) |ULTIMATE.start_goodB2G1_~data~0#1|) [2022-11-25 23:43:58,470 INFO L899 garLoopResultBuilder]: For program point L1893(line 1893) no Hoare annotation was computed. [2022-11-25 23:43:58,470 INFO L899 garLoopResultBuilder]: For program point L1926-1(line 1926) no Hoare annotation was computed. [2022-11-25 23:43:58,474 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:43:58,477 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:43:58,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:43:58 BoogieIcfgContainer [2022-11-25 23:43:58,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:43:58,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:43:58,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:43:58,495 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:43:58,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:43:53" (3/4) ... [2022-11-25 23:43:58,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:43:58,505 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:43:58,506 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:43:58,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-25 23:43:58,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 23:43:58,525 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 23:43:58,526 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:43:58,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:43:58,593 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:43:58,593 INFO L158 Benchmark]: Toolchain (without parser) took 15637.63ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.4MB in the beginning and 62.6MB in the end (delta: -10.3MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,594 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:43:58,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2607.74ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.0MB in the end (delta: 132.9kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.37ms. Allocated memory is still 98.6MB. Free memory was 52.0MB in the beginning and 47.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,596 INFO L158 Benchmark]: Boogie Preprocessor took 42.56ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,596 INFO L158 Benchmark]: RCFGBuilder took 7764.88ms. Allocated memory is still 98.6MB. Free memory was 45.0MB in the beginning and 66.2MB in the end (delta: -21.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,597 INFO L158 Benchmark]: TraceAbstraction took 5018.34ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 26.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,598 INFO L158 Benchmark]: Witness Printer took 98.42ms. Allocated memory is still 98.6MB. Free memory was 26.6MB in the beginning and 62.6MB in the end (delta: -36.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:43:58,600 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2607.74ms. Allocated memory was 79.7MB in the beginning and 98.6MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 52.0MB in the end (delta: 132.9kB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.37ms. Allocated memory is still 98.6MB. Free memory was 52.0MB in the beginning and 47.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.56ms. Allocated memory is still 98.6MB. Free memory was 47.8MB in the beginning and 45.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7764.88ms. Allocated memory is still 98.6MB. Free memory was 45.0MB in the beginning and 66.2MB in the end (delta: -21.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5018.34ms. Allocated memory is still 98.6MB. Free memory was 65.5MB in the beginning and 26.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 98.42ms. Allocated memory is still 98.6MB. Free memory was 26.6MB in the beginning and 62.6MB in the end (delta: -36.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1846]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1848]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1867]: 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: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1893]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1909]: 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, 59 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 159 mSDsluCounter, 815 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 483 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 332 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 34 PreInvPairs, 40 NumberOfFragments, 36 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 187 NumberOfCodeBlocks, 187 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 10 NumberOfNonLiveVariables, 550 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 1921]: Loop Invariant Derived loop invariant: 2147483647bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-25 23:43:58,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbb9ebb4-39db-429d-a19c-7fe7330bcf65/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE