./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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_8b12262b-4f07-424a-a6e8-d46eba469e55/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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- 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 16:07:56,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:07:56,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:07:56,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:07:56,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:07:56,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:07:56,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:07:56,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:07:56,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:07:56,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:07:56,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:07:56,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:07:56,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:07:56,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:07:56,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:07:56,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:07:56,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:07:56,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:07:56,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:07:56,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:07:56,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:07:56,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:07:56,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:07:56,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:07:56,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:07:56,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:07:56,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:07:56,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:07:56,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:07:56,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:07:56,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:07:56,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:07:56,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:07:56,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:07:56,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:07:56,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:07:56,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:07:56,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:07:56,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:07:56,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:07:56,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:07:56,636 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 16:07:56,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:07:56,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:07:56,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:07:56,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:07:56,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:07:56,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:07:56,661 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:07:56,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:07:56,662 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:07:56,662 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:07:56,662 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:07:56,662 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:07:56,663 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:07:56,663 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:07:56,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:07:56,663 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:07:56,664 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:07:56,664 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:07:56,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:07:56,665 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:07:56,665 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:07:56,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:07:56,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:07:56,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:07:56,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:07:56,666 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:07:56,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:07:56,667 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:07:56,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:07:56,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:07:56,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:07:56,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:07:56,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:07:56,668 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:07:56,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:07:56,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:07:56,669 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:07:56,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:07:56,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:07:56,670 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:07:56,670 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_8b12262b-4f07-424a-a6e8-d46eba469e55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2022-11-23 16:07:56,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:07:56,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:07:56,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:07:56,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:07:56,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:07:56,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2022-11-23 16:08:00,145 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:00,642 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:00,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2022-11-23 16:08:00,673 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/3bee23d5b/69deb125157a457c85e18929ece63a13/FLAG10ebad123 [2022-11-23 16:08:00,694 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/3bee23d5b/69deb125157a457c85e18929ece63a13 [2022-11-23 16:08:00,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:00,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:00,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:00,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:00,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:00,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:00" (1/1) ... [2022-11-23 16:08:00,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a06f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:00, skipping insertion in model container [2022-11-23 16:08:00,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:00" (1/1) ... [2022-11-23 16:08:00,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:00,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:08:01,307 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:02,794 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 16:08:02,800 INFO L158 Benchmark]: Toolchain (without parser) took 2100.88ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 115.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:02,801 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:08:02,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2098.39ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 115.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 16:08:02,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2098.39ms. Allocated memory is still 176.2MB. Free memory was 139.0MB in the beginning and 115.1MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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_8b12262b-4f07-424a-a6e8-d46eba469e55/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 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 --- 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 16:08:05,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:08:05,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:08:05,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:08:05,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:08:05,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:08:05,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:08:05,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:08:05,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:08:05,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:08:05,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:08:05,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:08:05,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:08:05,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:08:05,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:08:05,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:08:05,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:08:05,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:08:05,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:08:05,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:08:05,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:08:05,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:08:05,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:08:05,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:08:05,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:08:05,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:08:05,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:08:05,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:08:05,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:08:05,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:08:05,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:08:05,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:08:05,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:08:05,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:08:05,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:08:05,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:08:05,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:08:05,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:08:05,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:08:05,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:08:05,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:08:05,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 16:08:05,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:08:05,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:08:05,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:08:05,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:08:05,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:08:05,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:08:05,636 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:08:05,637 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:08:05,637 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:08:05,637 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:08:05,638 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:08:05,639 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:08:05,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:08:05,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:08:05,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:08:05,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:08:05,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:08:05,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:08:05,642 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:08:05,642 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:08:05,642 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:08:05,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:08:05,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:08:05,643 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:08:05,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:08:05,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:08:05,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:08:05,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:08:05,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:05,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:08:05,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:08:05,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:08:05,646 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:08:05,647 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:08:05,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:08:05,647 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:08:05,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:08:05,648 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_8b12262b-4f07-424a-a6e8-d46eba469e55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 670e44ef99a09cdcd41d2e2a827d7805f049b2e03ead86f1501f47db9663c8f8 [2022-11-23 16:08:06,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:08:06,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:08:06,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:08:06,121 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:08:06,123 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:08:06,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2022-11-23 16:08:09,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:08:09,867 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:08:09,867 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_good.i [2022-11-23 16:08:09,898 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/ab020924b/9492beb92cdf43269595d36647c5e381/FLAGfed3f7ad9 [2022-11-23 16:08:09,922 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/data/ab020924b/9492beb92cdf43269595d36647c5e381 [2022-11-23 16:08:09,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:08:09,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:08:09,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:09,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:08:09,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:08:09,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:09" (1/1) ... [2022-11-23 16:08:09,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f4b9c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:09, skipping insertion in model container [2022-11-23 16:08:09,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:08:09" (1/1) ... [2022-11-23 16:08:09,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:08:10,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:08:10,548 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:12,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:12,077 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:08:12,113 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:08:12,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:08:12,437 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:08:12,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12 WrapperNode [2022-11-23 16:08:12,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:08:12,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:12,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:08:12,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:08:12,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,515 INFO L138 Inliner]: procedures = 945, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2022-11-23 16:08:12,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:08:12,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:08:12,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:08:12,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:08:12,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,583 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:08:12,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:08:12,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:08:12,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:08:12,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (1/1) ... [2022-11-23 16:08:12,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:08:12,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:08:12,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:08:12,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:08:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 16:08:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 16:08:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:08:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:08:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:08:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:08:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:08:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 16:08:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 16:08:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:08:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:08:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:08:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 16:08:12,969 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:08:12,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:08:17,394 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:08:17,400 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:08:17,401 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:08:17,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:17 BoogieIcfgContainer [2022-11-23 16:08:17,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:08:17,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:08:17,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:08:17,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:08:17,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:08:09" (1/3) ... [2022-11-23 16:08:17,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34035504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:17, skipping insertion in model container [2022-11-23 16:08:17,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:08:12" (2/3) ... [2022-11-23 16:08:17,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34035504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:08:17, skipping insertion in model container [2022-11-23 16:08:17,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:17" (3/3) ... [2022-11-23 16:08:17,421 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_18_good.i [2022-11-23 16:08:17,442 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:08:17,442 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 16:08:17,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:08:17,507 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;@2c8c7078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:08:17,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-23 16:08:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-23 16:08:17,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 16:08:17,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:17,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:17,522 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 16:08:17,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:17,528 INFO L85 PathProgramCache]: Analyzing trace with hash 42555320, now seen corresponding path program 1 times [2022-11-23 16:08:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:08:17,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752839226] [2022-11-23 16:08:17,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:17,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:08:17,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:08:17,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:17,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:17,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 16:08:17,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:08:17,847 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 16:08:17,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:08:17,848 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:08:17,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752839226] [2022-11-23 16:08:17,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1752839226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:17,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:17,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:17,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412839955] [2022-11-23 16:08:17,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:17,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 16:08:17,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:08:17,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 16:08:17,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 16:08:17,897 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 33 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:20,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 16:08:21,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:21,030 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2022-11-23 16:08:21,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 16:08:21,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-23 16:08:21,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:21,046 INFO L225 Difference]: With dead ends: 41 [2022-11-23 16:08:21,046 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 16:08:21,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:08:21,053 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:08:21,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 117 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 16:08:21,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 16:08:21,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-11-23 16:08:21,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 16:08:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2022-11-23 16:08:21,095 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 14 [2022-11-23 16:08:21,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:21,096 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2022-11-23 16:08:21,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:21,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-11-23 16:08:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 16:08:21,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:21,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:21,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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)] Ended with exit code 0 [2022-11-23 16:08:21,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,305 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 16:08:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1319219019, now seen corresponding path program 1 times [2022-11-23 16:08:21,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:08:21,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043911122] [2022-11-23 16:08:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:21,307 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 16:08:21,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:08:21,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:08:21,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:08:21,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:08:21,459 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 16:08:21,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:08:21,460 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:08:21,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043911122] [2022-11-23 16:08:21,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043911122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:08:21,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:08:21,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:08:21,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240244651] [2022-11-23 16:08:21,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:08:21,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:08:21,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:08:21,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:08:21,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:21,464 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:21,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:08:21,489 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2022-11-23 16:08:21,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:08:21,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-23 16:08:21,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:08:21,491 INFO L225 Difference]: With dead ends: 46 [2022-11-23 16:08:21,491 INFO L226 Difference]: Without dead ends: 32 [2022-11-23 16:08:21,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:08:21,493 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 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 16:08:21,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:08:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-23 16:08:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-23 16:08:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 27 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 16:08:21,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2022-11-23 16:08:21,502 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 15 [2022-11-23 16:08:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:08:21,502 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2022-11-23 16:08:21,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:08:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-23 16:08:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-23 16:08:21,504 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:08:21,504 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:08:21,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,718 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 16:08:21,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:08:21,719 INFO L85 PathProgramCache]: Analyzing trace with hash -2054008294, now seen corresponding path program 1 times [2022-11-23 16:08:21,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:08:21,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818194080] [2022-11-23 16:08:21,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:08:21,721 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 16:08:21,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:08:21,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:08:21,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:09:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:55,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 16:09:55,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:09:57,488 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 16:09:57,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:09:57,488 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:09:57,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818194080] [2022-11-23 16:09:57,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818194080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:57,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:57,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 16:09:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520276053] [2022-11-23 16:09:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:57,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 16:09:57,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:09:57,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 16:09:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 16:09:57,519 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:10:00,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 16:10:02,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:10:02,746 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-11-23 16:10:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 16:10:02,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-23 16:10:02,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:10:02,747 INFO L225 Difference]: With dead ends: 55 [2022-11-23 16:10:02,748 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 16:10:02,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-23 16:10:02,749 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 16:10:02,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 117 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 16:10:02,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 16:10:02,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2022-11-23 16:10:02,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 30 states have internal predecessors, (33), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 16:10:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2022-11-23 16:10:02,757 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 16 [2022-11-23 16:10:02,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:10:02,757 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2022-11-23 16:10:02,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:10:02,758 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-11-23 16:10:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 16:10:02,758 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:10:02,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:10:02,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:10:02,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:10:02,976 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 16:10:02,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:10:02,977 INFO L85 PathProgramCache]: Analyzing trace with hash 750252397, now seen corresponding path program 1 times [2022-11-23 16:10:02,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:10:02,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815887881] [2022-11-23 16:10:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:10:02,978 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 16:10:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:10:02,982 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:10:02,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:11:17,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 16:11:17,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:11:19,257 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 16:11:19,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:11:19,257 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:11:19,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815887881] [2022-11-23 16:11:19,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815887881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:11:19,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:11:19,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 16:11:19,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120147779] [2022-11-23 16:11:19,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:11:19,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 16:11:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:11:19,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 16:11:19,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 16:11:19,259 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:11:22,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:11:22,118 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-11-23 16:11:22,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 16:11:22,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-23 16:11:22,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:11:22,120 INFO L225 Difference]: With dead ends: 42 [2022-11-23 16:11:22,120 INFO L226 Difference]: Without dead ends: 41 [2022-11-23 16:11:22,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 16:11:22,121 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 16:11:22,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 100 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 16:11:22,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-23 16:11:22,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2022-11-23 16:11:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 29 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 16:11:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-11-23 16:11:22,128 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 17 [2022-11-23 16:11:22,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:11:22,129 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-11-23 16:11:22,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 16:11:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-11-23 16:11:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 16:11:22,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:11:22,131 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:11:22,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,348 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 16:11:22,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:11:22,348 INFO L85 PathProgramCache]: Analyzing trace with hash -26474552, now seen corresponding path program 1 times [2022-11-23 16:11:22,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:11:22,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950709298] [2022-11-23 16:11:22,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:11:22,349 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 16:11:22,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:11:22,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:11:22,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:11:22,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:11:22,493 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 16:11:22,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:11:22,494 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:11:22,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950709298] [2022-11-23 16:11:22,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950709298] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:11:22,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:11:22,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:11:22,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785299290] [2022-11-23 16:11:22,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:11:22,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:11:22,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:11:22,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:11:22,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:11:22,497 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 16:11:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:11:22,600 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2022-11-23 16:11:22,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:11:22,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2022-11-23 16:11:22,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:11:22,604 INFO L225 Difference]: With dead ends: 35 [2022-11-23 16:11:22,605 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 16:11:22,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:11:22,606 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 60 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 16:11:22,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 16:11:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 16:11:22,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 16:11:22,607 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 16:11:22,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 16:11:22,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-23 16:11:22,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:11:22,608 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 16:11:22,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 16:11:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 16:11:22,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 16:11:22,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-23 16:11:22,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-23 16:11:22,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-23 16:11:22,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-23 16:11:22,613 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-23 16:11:22,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/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 16:11:22,829 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 16:11:23,582 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 16:11:23,582 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 16:11:23,582 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 16:11:23,582 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 16:11:23,582 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 16:11:23,582 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 16:11:23,582 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 16:11:23,583 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2022-11-23 16:11:23,583 INFO L902 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: true [2022-11-23 16:11:23,583 INFO L899 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2022-11-23 16:11:23,583 INFO L899 garLoopResultBuilder]: For program point L1840(lines 1840 1847) no Hoare annotation was computed. [2022-11-23 16:11:23,583 INFO L895 garLoopResultBuilder]: At program point L1836(lines 1833 1860) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-23 16:11:23,583 INFO L902 garLoopResultBuilder]: At program point L1865(lines 1862 1874) the Hoare annotation is: true [2022-11-23 16:11:23,583 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1851) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L902 garLoopResultBuilder]: At program point L1886(lines 1880 1887) the Hoare annotation is: true [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point L1853(line 1853) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1871) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L899 garLoopResultBuilder]: For program point L1853-1(line 1853) no Hoare annotation was computed. [2022-11-23 16:11:23,584 INFO L902 garLoopResultBuilder]: At program point L1849(lines 1833 1860) the Hoare annotation is: true [2022-11-23 16:11:23,584 INFO L902 garLoopResultBuilder]: At program point L1858(line 1858) the Hoare annotation is: true [2022-11-23 16:11:23,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1853) no Hoare annotation was computed. [2022-11-23 16:11:23,585 INFO L899 garLoopResultBuilder]: For program point L1858-1(lines 1832 1860) no Hoare annotation was computed. [2022-11-23 16:11:23,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 16:11:23,585 INFO L895 garLoopResultBuilder]: At program point L1854(line 1854) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-23 16:11:23,585 INFO L902 garLoopResultBuilder]: At program point L1883(line 1883) the Hoare annotation is: true [2022-11-23 16:11:23,585 INFO L899 garLoopResultBuilder]: For program point L1883-1(line 1883) no Hoare annotation was computed. [2022-11-23 16:11:23,585 INFO L895 garLoopResultBuilder]: At program point L1846(line 1846) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~0#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~0#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) .cse0) (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~0#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0))))) [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1846-1(lines 1840 1847) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1875(lines 1875 1879) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1871(line 1871) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1853) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1851(line 1851) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1851-1(line 1851) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1851-3(lines 1851 1859) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L902 garLoopResultBuilder]: At program point L1872(line 1872) the Hoare annotation is: true [2022-11-23 16:11:23,586 INFO L899 garLoopResultBuilder]: For program point L1872-1(lines 1861 1874) no Hoare annotation was computed. [2022-11-23 16:11:23,586 INFO L895 garLoopResultBuilder]: At program point L1868(lines 1862 1874) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~1#1|) [2022-11-23 16:11:23,597 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 16:11:23,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:11:23,610 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,611 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,611 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,611 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,611 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,611 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,612 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,612 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,612 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,613 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,613 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:11:23 BoogieIcfgContainer [2022-11-23 16:11:23,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:11:23,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:11:23,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:11:23,615 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:11:23,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:08:17" (3/4) ... [2022-11-23 16:11:23,619 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 16:11:23,625 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 16:11:23,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 16:11:23,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-23 16:11:23,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 16:11:23,630 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 16:11:23,631 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 16:11:23,659 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32))) [2022-11-23 16:11:23,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 16:11:23,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:11:23,684 INFO L158 Benchmark]: Toolchain (without parser) took 193753.82ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 39.4MB in the beginning and 53.5MB in the end (delta: -14.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,684 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:11:23,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2504.60ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 30.7MB in the end (delta: 8.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.94ms. Allocated memory is still 81.8MB. Free memory was 30.7MB in the beginning and 27.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,686 INFO L158 Benchmark]: Boogie Preprocessor took 77.31ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 51.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,687 INFO L158 Benchmark]: RCFGBuilder took 4801.23ms. Allocated memory is still 81.8MB. Free memory was 51.1MB in the beginning and 35.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,687 INFO L158 Benchmark]: TraceAbstraction took 186206.07ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 56.4MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:11:23,688 INFO L158 Benchmark]: Witness Printer took 68.50ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 16:11:23,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2504.60ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.2MB in the beginning and 30.7MB in the end (delta: 8.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.94ms. Allocated memory is still 81.8MB. Free memory was 30.7MB in the beginning and 27.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.31ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 51.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4801.23ms. Allocated memory is still 81.8MB. Free memory was 51.1MB in the beginning and 35.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 186206.07ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 35.3MB in the beginning and 56.4MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.50ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 53.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1871]: 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, 40 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 186.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 458 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 290 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 168 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 24 NumberOfFragments, 123 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 168.1s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 5 QuantifiedInterpolants, 360 SizeOfPredicates, 7 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 20 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: 1862]: Loop Invariant Derived loop invariant: 2bv32 == data - InvariantResult [Line: 1833]: Loop Invariant [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,719 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,720 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,721 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,721 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,721 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2022-11-23 16:11:23,721 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 16:11:23,722 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ~bvsgt32(data, 2147483648bv32) && (((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(data), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && ~bvsgt32(data, 0bv32)) || ((\exists currentRoundingMode : FloatRoundingMode :: ~bvslt64(~sign_extendFrom16To32(~bvneg128(data)), ~convertDOUBLEToLONG(~roundTowardZero, ~fp.sqrt~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 2147483647bv32))))) && !~bvsgt32(data, 0bv32))) - InvariantResult [Line: 1833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1862]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 16:11:23,951 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 16:11:23,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12262b-4f07-424a-a6e8-d46eba469e55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE