./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:21:36,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:21:36,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:21:36,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:21:36,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:21:36,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:21:36,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:21:36,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:21:36,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:21:36,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:21:36,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:21:36,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:21:36,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:21:36,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:21:36,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:21:36,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:21:36,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:21:36,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:21:36,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:21:36,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:21:36,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:21:36,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:21:36,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:21:36,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:21:36,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:21:36,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:21:36,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:21:36,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:21:36,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:21:36,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:21:36,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:21:36,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:21:36,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:21:36,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:21:36,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:21:36,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:21:36,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:21:36,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:21:36,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:21:36,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:21:36,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:21:36,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:21:36,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:21:36,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:21:36,766 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:21:36,766 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:21:36,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:21:36,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:21:36,767 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:21:36,767 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:21:36,768 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:21:36,769 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:21:36,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:21:36,769 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:21:36,769 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:21:36,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:21:36,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:21:36,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:21:36,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:21:36,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:21:36,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:21:36,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:21:36,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:21:36,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:21:36,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:21:36,773 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:21:36,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:21:36,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:21:36,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:21:36,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:21:36,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:21:36,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:21:36,774 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_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402 [2022-11-23 14:21:37,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:21:37,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:21:37,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:21:37,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:21:37,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:21:37,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i [2022-11-23 14:21:40,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:21:40,649 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:21:40,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i [2022-11-23 14:21:40,688 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/574ebf392/f2d396448aba4157a4a8ce2819c0cf26/FLAG48106f0fb [2022-11-23 14:21:40,706 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/574ebf392/f2d396448aba4157a4a8ce2819c0cf26 [2022-11-23 14:21:40,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:21:40,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:21:40,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:21:40,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:21:40,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:21:40,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:40" (1/1) ... [2022-11-23 14:21:40,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c80c9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:40, skipping insertion in model container [2022-11-23 14:21:40,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:40" (1/1) ... [2022-11-23 14:21:40,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:21:40,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:21:41,310 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:21:42,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1867) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:202) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-23 14:21:42,278 INFO L158 Benchmark]: Toolchain (without parser) took 1564.47ms. Allocated memory is still 165.7MB. Free memory was 125.2MB in the beginning and 119.9MB in the end (delta: 5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 14:21:42,279 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:21:42,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.40ms. Allocated memory is still 165.7MB. Free memory was 124.7MB in the beginning and 119.9MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 14:21:42,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 94.2MB in the end (delta: 67.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.40ms. Allocated memory is still 165.7MB. Free memory was 124.7MB in the beginning and 119.9MB in the end (delta: 4.8MB). Peak memory consumption was 10.5MB. 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_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:21:44,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:21:44,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:21:44,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:21:44,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:21:44,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:21:44,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:21:44,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:21:44,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:21:44,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:21:44,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:21:44,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:21:44,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:21:44,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:21:44,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:21:44,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:21:44,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:21:44,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:21:44,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:21:44,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:21:44,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:21:44,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:21:44,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:21:44,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:21:44,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:21:44,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:21:44,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:21:44,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:21:44,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:21:44,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:21:44,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:21:44,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:21:44,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:21:44,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:21:44,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:21:44,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:21:44,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:21:44,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:21:44,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:21:44,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:21:44,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:21:44,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:21:44,693 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:21:44,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:21:44,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:21:44,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:21:44,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:21:44,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:21:44,697 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:21:44,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:21:44,697 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:21:44,697 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:21:44,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:21:44,699 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:21:44,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:21:44,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:21:44,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:21:44,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:21:44,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:21:44,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:21:44,701 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:21:44,701 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:21:44,701 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:21:44,701 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:21:44,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:21:44,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:21:44,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:21:44,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:21:44,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:21:44,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:21:44,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:21:44,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:21:44,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:21:44,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:21:44,704 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:21:44,704 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:21:44,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:21:44,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:21:44,705 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:21:44,705 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_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e87e888676c5aff2dd0cd9242a75a9a9ba2d034e52e2dfb9c98afe07719cd402 [2022-11-23 14:21:45,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:21:45,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:21:45,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:21:45,146 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:21:45,146 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:21:45,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i [2022-11-23 14:21:48,298 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:21:48,708 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:21:48,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_18_good.i [2022-11-23 14:21:48,749 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/cfb057a52/507a9b2f3ed1413580aa536fd62274bf/FLAGe3ff4dc57 [2022-11-23 14:21:48,771 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/data/cfb057a52/507a9b2f3ed1413580aa536fd62274bf [2022-11-23 14:21:48,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:21:48,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:21:48,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:21:48,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:21:48,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:21:48,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:48" (1/1) ... [2022-11-23 14:21:48,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a7aad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:48, skipping insertion in model container [2022-11-23 14:21:48,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:21:48" (1/1) ... [2022-11-23 14:21:48,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:21:48,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:21:49,334 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:21:50,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:21:50,799 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:21:50,856 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 14:21:50,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:21:51,256 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:21:51,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51 WrapperNode [2022-11-23 14:21:51,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:21:51,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:21:51,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:21:51,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:21:51,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,333 INFO L138 Inliner]: procedures = 944, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2022-11-23 14:21:51,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:21:51,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:21:51,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:21:51,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:21:51,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,390 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:21:51,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:21:51,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:21:51,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:21:51,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (1/1) ... [2022-11-23 14:21:51,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:21:51,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:21:51,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:21:51,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:21:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 14:21:51,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 14:21:51,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:21:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:21:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:21:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:21:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 14:21:51,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 14:21:51,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 14:21:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:21:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:21:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:21:51,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:21:51,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:21:51,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:21:54,770 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:21:54,777 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:21:54,777 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 14:21:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:54 BoogieIcfgContainer [2022-11-23 14:21:54,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:21:54,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:21:54,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:21:54,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:21:54,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:21:48" (1/3) ... [2022-11-23 14:21:54,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969fd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:54, skipping insertion in model container [2022-11-23 14:21:54,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:21:51" (2/3) ... [2022-11-23 14:21:54,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969fd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:21:54, skipping insertion in model container [2022-11-23 14:21:54,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:54" (3/3) ... [2022-11-23 14:21:54,789 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_18_good.i [2022-11-23 14:21:54,808 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:21:54,808 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 14:21:54,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:21:54,866 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;@63b00d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:21:54,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-23 14:21:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 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) [2022-11-23 14:21:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 14:21:54,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:54,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:54,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 14:21:54,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1808289983, now seen corresponding path program 1 times [2022-11-23 14:21:54,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:21:54,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249054227] [2022-11-23 14:21:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:21:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:21:54,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:21:54,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:21:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:21:55,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:21:55,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:21:55,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:21:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:21:55,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:21:55,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:21:55,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249054227] [2022-11-23 14:21:55,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249054227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:55,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:21:55,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:21:55,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231576574] [2022-11-23 14:21:55,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:55,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:21:55,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:21:55,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:21:55,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:21:55,337 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 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) 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) [2022-11-23 14:21:55,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:55,475 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2022-11-23 14:21:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:21:55,477 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 [2022-11-23 14:21:55,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:55,485 INFO L225 Difference]: With dead ends: 39 [2022-11-23 14:21:55,486 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 14:21:55,489 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 [2022-11-23 14:21:55,495 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:55,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 107 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:21:55,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 14:21:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-11-23 14:21:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.3) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:21:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-23 14:21:55,538 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 12 [2022-11-23 14:21:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:55,539 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-23 14:21:55,540 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) [2022-11-23 14:21:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-23 14:21:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:21:55,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:55,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:55,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:21:55,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:21:55,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 14:21:55,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:55,757 INFO L85 PathProgramCache]: Analyzing trace with hash -222410534, now seen corresponding path program 1 times [2022-11-23 14:21:55,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:21:55,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60068594] [2022-11-23 14:21:55,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:55,759 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:21:55,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:21:55,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:21:55,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 14:21:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:21:55,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:21:55,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:21:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:21:55,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:21:55,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:21:55,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60068594] [2022-11-23 14:21:55,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60068594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:55,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:21:55,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:21:55,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173193815] [2022-11-23 14:21:55,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:55,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:21:55,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:21:55,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:21:55,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:55,958 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:21:55,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:55,990 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2022-11-23 14:21:55,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:21:55,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-23 14:21:55,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:55,992 INFO L225 Difference]: With dead ends: 45 [2022-11-23 14:21:55,992 INFO L226 Difference]: Without dead ends: 30 [2022-11-23 14:21:55,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:55,994 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:55,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:21:55,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-23 14:21:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-23 14:21:55,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 25 states have internal predecessors, (27), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:21:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-23 14:21:56,001 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 13 [2022-11-23 14:21:56,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:56,001 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-23 14:21:56,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:21:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-23 14:21:56,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 14:21:56,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:56,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:56,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:21:56,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:21:56,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 14:21:56,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1695083107, now seen corresponding path program 1 times [2022-11-23 14:21:56,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:21:56,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624081295] [2022-11-23 14:21:56,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:56,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:21:56,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:21:56,221 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:21:56,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 14:23:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:23:30,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:23:30,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:23:31,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-23 14:23:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:23:32,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:23:32,224 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:23:32,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624081295] [2022-11-23 14:23:32,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624081295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:23:32,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:23:32,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:23:32,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356288223] [2022-11-23 14:23:32,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:23:32,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:23:32,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:23:32,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:23:32,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:23:32,226 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:23:35,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 14:23:35,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:23:35,482 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-23 14:23:35,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:23:35,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-23 14:23:35,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:23:35,484 INFO L225 Difference]: With dead ends: 30 [2022-11-23 14:23:35,484 INFO L226 Difference]: Without dead ends: 29 [2022-11-23 14:23:35,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:23:35,485 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:23:35,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 88 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-23 14:23:35,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-23 14:23:35,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-23 14:23:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 24 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:23:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-11-23 14:23:35,489 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 14 [2022-11-23 14:23:35,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:23:35,490 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-11-23 14:23:35,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:23:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-23 14:23:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 14:23:35,496 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:23:35,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:23:35,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:23:35,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:23:35,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 14:23:35,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:23:35,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1007968828, now seen corresponding path program 1 times [2022-11-23 14:23:35,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:23:35,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820443295] [2022-11-23 14:23:35,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:23:35,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:23:35,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:23:35,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:23:35,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 14:24:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:51,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:24:51,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:24:53,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 41 [2022-11-23 14:24:53,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:24:53,577 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:24:53,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:24:53,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820443295] [2022-11-23 14:24:53,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820443295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:53,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:53,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:24:53,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231139003] [2022-11-23 14:24:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:53,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:24:53,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:24:53,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:24:53,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:24:53,580 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 5 states, 4 states have (on average 3.25) 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) [2022-11-23 14:24:54,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:54,905 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-11-23 14:24:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 14:24:54,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) 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 [2022-11-23 14:24:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:54,906 INFO L225 Difference]: With dead ends: 29 [2022-11-23 14:24:54,906 INFO L226 Difference]: Without dead ends: 28 [2022-11-23 14:24:54,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:24:54,908 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:54,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 88 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:24:54,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-23 14:24:54,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-23 14:24:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:24:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-23 14:24:54,914 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 15 [2022-11-23 14:24:54,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:54,914 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-23 14:24:54,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) 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) [2022-11-23 14:24:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-23 14:24:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 14:24:54,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:24:54,916 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:24:54,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:24:55,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:24:55,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 14:24:55,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:24:55,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1330515444, now seen corresponding path program 1 times [2022-11-23 14:24:55,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:24:55,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267282323] [2022-11-23 14:24:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:24:55,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:24:55,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:24:55,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:24:55,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 14:24:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:24:55,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:24:55,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:24:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:24:55,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:24:55,278 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:24:55,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267282323] [2022-11-23 14:24:55,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267282323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:24:55,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:24:55,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:24:55,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480981052] [2022-11-23 14:24:55,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:24:55,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:24:55,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:24:55,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:24:55,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:24:55,280 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:24:55,374 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-23 14:24:55,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:24:55,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 21 [2022-11-23 14:24:55,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:24:55,379 INFO L225 Difference]: With dead ends: 28 [2022-11-23 14:24:55,379 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:24:55,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:24:55,381 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:24:55,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:24:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:24:55,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:24:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:24:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:24:55,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-23 14:24:55,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:24:55,382 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:24:55,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:24:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:24:55,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:24:55,385 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-23 14:24:55,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-23 14:24:55,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-23 14:24:55,386 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-23 14:24:55,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-23 14:24:55,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:24:55,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:24:55,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:24:55,619 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 14:24:55,620 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 14:24:55,620 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 14:24:55,620 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 14:24:55,620 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 14:24:55,620 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 14:24:55,622 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 14:24:55,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1843) no Hoare annotation was computed. [2022-11-23 14:24:55,623 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:24:55,624 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2022-11-23 14:24:55,626 INFO L902 garLoopResultBuilder]: At program point L1848(line 1848) the Hoare annotation is: true [2022-11-23 14:24:55,627 INFO L899 garLoopResultBuilder]: For program point L1848-1(lines 1841 1849) no Hoare annotation was computed. [2022-11-23 14:24:55,628 INFO L902 garLoopResultBuilder]: At program point L1844(line 1844) the Hoare annotation is: true [2022-11-23 14:24:55,628 INFO L902 garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: true [2022-11-23 14:24:55,629 INFO L899 garLoopResultBuilder]: For program point L1875-1(line 1875) no Hoare annotation was computed. [2022-11-23 14:24:55,629 INFO L902 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: true [2022-11-23 14:24:55,629 INFO L899 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2022-11-23 14:24:55,629 INFO L902 garLoopResultBuilder]: At program point L1836(lines 1833 1850) the Hoare annotation is: true [2022-11-23 14:24:55,630 INFO L899 garLoopResultBuilder]: For program point L1865(lines 1865 1869) no Hoare annotation was computed. [2022-11-23 14:24:55,630 INFO L899 garLoopResultBuilder]: For program point L1832(lines 1832 1850) no Hoare annotation was computed. [2022-11-23 14:24:55,630 INFO L899 garLoopResultBuilder]: For program point L1861(line 1861) no Hoare annotation was computed. [2022-11-23 14:24:55,630 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 14:24:55,630 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1841) no Hoare annotation was computed. [2022-11-23 14:24:55,630 INFO L902 garLoopResultBuilder]: At program point L1855(lines 1852 1864) the Hoare annotation is: true [2022-11-23 14:24:55,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1843) no Hoare annotation was computed. [2022-11-23 14:24:55,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 14:24:55,631 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1861) no Hoare annotation was computed. [2022-11-23 14:24:55,632 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 14:24:55,632 INFO L902 garLoopResultBuilder]: At program point L1876(lines 1870 1877) the Hoare annotation is: true [2022-11-23 14:24:55,632 INFO L899 garLoopResultBuilder]: For program point L1843(line 1843) no Hoare annotation was computed. [2022-11-23 14:24:55,632 INFO L899 garLoopResultBuilder]: For program point L1843-1(line 1843) no Hoare annotation was computed. [2022-11-23 14:24:55,634 INFO L899 garLoopResultBuilder]: For program point L1841(line 1841) no Hoare annotation was computed. [2022-11-23 14:24:55,635 INFO L899 garLoopResultBuilder]: For program point L1841-1(line 1841) no Hoare annotation was computed. [2022-11-23 14:24:55,635 INFO L902 garLoopResultBuilder]: At program point L1839(lines 1833 1850) the Hoare annotation is: true [2022-11-23 14:24:55,636 INFO L899 garLoopResultBuilder]: For program point L1841-3(lines 1841 1849) no Hoare annotation was computed. [2022-11-23 14:24:55,636 INFO L902 garLoopResultBuilder]: At program point L1862(line 1862) the Hoare annotation is: true [2022-11-23 14:24:55,636 INFO L899 garLoopResultBuilder]: For program point L1862-1(lines 1851 1864) no Hoare annotation was computed. [2022-11-23 14:24:55,636 INFO L895 garLoopResultBuilder]: At program point L1858(lines 1852 1864) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 14:24:55,639 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 14:24:55,641 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:24:55,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:24:55 BoogieIcfgContainer [2022-11-23 14:24:55,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:24:55,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:24:55,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:24:55,654 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:24:55,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:21:54" (3/4) ... [2022-11-23 14:24:55,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:24:55,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 14:24:55,663 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 14:24:55,669 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-23 14:24:55,669 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 14:24:55,669 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 14:24:55,670 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:24:55,713 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:24:55,713 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:24:55,714 INFO L158 Benchmark]: Toolchain (without parser) took 186936.03ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 65.8MB in the beginning and 42.7MB in the end (delta: 23.1MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,714 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:55,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2476.58ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 65.6MB in the beginning and 66.5MB in the end (delta: -967.9kB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.56ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 62.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,716 INFO L158 Benchmark]: Boogie Preprocessor took 76.33ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,716 INFO L158 Benchmark]: RCFGBuilder took 3368.20ms. Allocated memory is still 113.2MB. Free memory was 59.9MB in the beginning and 44.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,716 INFO L158 Benchmark]: TraceAbstraction took 180871.20ms. Allocated memory is still 113.2MB. Free memory was 43.5MB in the beginning and 45.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:55,717 INFO L158 Benchmark]: Witness Printer took 59.73ms. Allocated memory is still 113.2MB. Free memory was 45.9MB in the beginning and 42.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 14:24:55,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2476.58ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 65.6MB in the beginning and 66.5MB in the end (delta: -967.9kB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.56ms. Allocated memory is still 113.2MB. Free memory was 66.5MB in the beginning and 62.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.33ms. Allocated memory is still 113.2MB. Free memory was 62.4MB in the beginning and 60.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3368.20ms. Allocated memory is still 113.2MB. Free memory was 59.9MB in the beginning and 44.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 180871.20ms. Allocated memory is still 113.2MB. Free memory was 43.5MB in the beginning and 45.9MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 59.73ms. Allocated memory is still 113.2MB. Free memory was 45.9MB in the beginning and 42.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1861]: 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, 38 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 180.8s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 391 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 149 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 19 NumberOfFragments, 14 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 170.1s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 70 ConstructedInterpolants, 5 QuantifiedInterpolants, 416 SizeOfPredicates, 18 NumberOfNonLiveVariables, 384 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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 5 specifications checked. All of them hold - InvariantResult [Line: 1852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1852]: Loop Invariant Derived loop invariant: 2bv32 == data - InvariantResult [Line: 1833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1833]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 14:24:55,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a07f369-0e29-4453-a96d-1d67bd2ffb47/bin/utaipan-Q6hlc19bkW/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