./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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_810f6338-6812-48b5-ad08-84c9861df60c/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 b63071d51e51ad9d80b78684db59b7c8fcb37d9206fe111da7e351a0ee5c5a8c --- 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 15:13:31,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:13:31,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:13:31,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:13:31,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:13:31,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:13:31,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:13:31,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:13:31,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:13:31,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:13:31,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:13:31,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:13:31,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:13:31,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:13:31,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:13:31,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:13:31,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:13:31,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:13:31,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:13:31,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:13:31,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:13:31,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:13:31,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:13:31,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:13:31,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:13:31,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:13:31,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:13:31,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:13:31,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:13:31,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:13:31,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:13:31,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:13:31,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:13:31,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:13:31,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:13:31,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:13:31,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:13:31,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:13:31,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:13:31,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:13:31,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:13:31,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 15:13:31,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:13:31,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:13:31,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:13:31,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:13:31,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:13:31,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:13:31,804 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:13:31,804 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:13:31,804 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:13:31,805 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:13:31,806 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:13:31,806 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:13:31,806 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:13:31,807 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:13:31,807 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:13:31,807 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:13:31,807 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:13:31,808 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:13:31,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:13:31,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:13:31,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:13:31,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:13:31,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:13:31,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:13:31,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:13:31,810 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:13:31,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:13:31,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:13:31,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:13:31,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:13:31,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:13:31,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:13:31,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:13:31,813 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:13:31,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:13:31,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:13:31,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:13:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:13:31,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:13:31,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:13:31,815 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_810f6338-6812-48b5-ad08-84c9861df60c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63071d51e51ad9d80b78684db59b7c8fcb37d9206fe111da7e351a0ee5c5a8c [2022-11-23 15:13:32,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:13:32,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:13:32,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:13:32,118 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:13:32,118 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:13:32,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i [2022-11-23 15:13:35,317 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:13:35,799 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:13:35,800 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i [2022-11-23 15:13:35,831 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/fc073dbc5/f6c2e51ab7c04b7b80d19161d369a3c4/FLAGf0267586d [2022-11-23 15:13:35,854 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/fc073dbc5/f6c2e51ab7c04b7b80d19161d369a3c4 [2022-11-23 15:13:35,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:13:35,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:13:35,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:13:35,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:13:35,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:13:35,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:35" (1/1) ... [2022-11-23 15:13:35,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6091d931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:35, skipping insertion in model container [2022-11-23 15:13:35,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:35" (1/1) ... [2022-11-23 15:13:35,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:13:35,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:13:36,516 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:13:38,131 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2056) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.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 15:13:38,143 INFO L158 Benchmark]: Toolchain (without parser) took 2282.42ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 84.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 15:13:38,144 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:13:38,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2278.08ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 84.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 15:13:38,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2278.08ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 84.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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_810f6338-6812-48b5-ad08-84c9861df60c/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 b63071d51e51ad9d80b78684db59b7c8fcb37d9206fe111da7e351a0ee5c5a8c --- 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 15:13:40,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:13:40,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:13:40,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:13:40,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:13:40,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:13:40,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:13:40,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:13:40,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:13:40,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:13:40,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:13:40,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:13:40,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:13:40,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:13:40,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:13:40,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:13:40,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:13:40,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:13:40,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:13:40,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:13:40,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:13:40,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:13:40,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:13:40,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:13:40,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:13:40,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:13:40,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:13:40,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:13:40,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:13:40,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:13:40,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:13:40,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:13:40,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:13:40,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:13:40,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:13:40,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:13:40,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:13:40,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:13:40,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:13:40,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:13:40,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:13:40,942 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 15:13:40,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:13:40,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:13:40,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:13:40,995 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:13:40,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:13:40,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:13:40,996 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:13:40,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:13:40,997 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:13:40,997 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:13:40,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:13:40,999 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:13:41,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:13:41,002 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:13:41,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:13:41,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:13:41,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:13:41,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:13:41,003 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:13:41,003 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:13:41,003 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:13:41,004 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:13:41,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:13:41,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:13:41,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:13:41,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:13:41,005 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:13:41,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:13:41,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:13:41,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:13:41,006 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:13:41,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:13:41,007 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:13:41,007 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:13:41,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:13:41,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:13:41,008 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:13:41,008 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_810f6338-6812-48b5-ad08-84c9861df60c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63071d51e51ad9d80b78684db59b7c8fcb37d9206fe111da7e351a0ee5c5a8c [2022-11-23 15:13:41,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:13:41,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:13:41,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:13:41,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:13:41,496 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:13:41,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i [2022-11-23 15:13:45,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:13:45,603 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:13:45,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_67_good.i [2022-11-23 15:13:45,647 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/f17bb4819/9639518f8171456e9f50a17617110ac9/FLAG8b281fb33 [2022-11-23 15:13:45,669 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/data/f17bb4819/9639518f8171456e9f50a17617110ac9 [2022-11-23 15:13:45,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:13:45,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:13:45,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:13:45,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:13:45,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:13:45,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:45" (1/1) ... [2022-11-23 15:13:45,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ba5dce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:45, skipping insertion in model container [2022-11-23 15:13:45,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:13:45" (1/1) ... [2022-11-23 15:13:45,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:13:45,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:13:46,360 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:13:47,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:13:47,733 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:13:47,774 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 15:13:47,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:13:48,184 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:13:48,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48 WrapperNode [2022-11-23 15:13:48,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:13:48,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:13:48,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:13:48,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:13:48,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,293 INFO L138 Inliner]: procedures = 946, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2022-11-23 15:13:48,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:13:48,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:13:48,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:13:48,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:13:48,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,330 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:13:48,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:13:48,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:13:48,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:13:48,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (1/1) ... [2022-11-23 15:13:48,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:13:48,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:13:48,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:13:48,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:13:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 15:13:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 15:13:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:13:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:13:48,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:13:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:13:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 15:13:48,460 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 15:13:48,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 15:13:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:13:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:13:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:13:48,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:13:48,657 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:13:48,660 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:13:51,327 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:13:51,337 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:13:51,343 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:13:51,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:51 BoogieIcfgContainer [2022-11-23 15:13:51,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:13:51,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:13:51,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:13:51,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:13:51,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:13:45" (1/3) ... [2022-11-23 15:13:51,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:13:51, skipping insertion in model container [2022-11-23 15:13:51,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:13:48" (2/3) ... [2022-11-23 15:13:51,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e8a960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:13:51, skipping insertion in model container [2022-11-23 15:13:51,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:51" (3/3) ... [2022-11-23 15:13:51,362 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_67_good.i [2022-11-23 15:13:51,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:13:51,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-23 15:13:51,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:13:51,471 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;@3ed24aaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:13:51,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-23 15:13:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 15:13:51,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 15:13:51,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:51,489 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:51,490 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 15:13:51,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:51,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1693803437, now seen corresponding path program 1 times [2022-11-23 15:13:51,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:13:51,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1423665182] [2022-11-23 15:13:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:51,516 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 15:13:51,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:13:51,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:51,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:51,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 15:13:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:51,974 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 15:13:51,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:13:51,977 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:13:51,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1423665182] [2022-11-23 15:13:51,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1423665182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:51,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:13:51,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:13:51,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757561834] [2022-11-23 15:13:51,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:51,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:13:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:13:52,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:13:52,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:13:52,056 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 31 states have internal predecessors, (33), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:13:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:52,212 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2022-11-23 15:13:52,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:13:52,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2022-11-23 15:13:52,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:52,231 INFO L225 Difference]: With dead ends: 38 [2022-11-23 15:13:52,231 INFO L226 Difference]: Without dead ends: 25 [2022-11-23 15:13:52,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 15:13:52,241 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 22 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 53 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 15:13:52,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 53 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:13:52,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-23 15:13:52,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-23 15:13:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:13:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-23 15:13:52,293 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 9 [2022-11-23 15:13:52,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:52,294 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-23 15:13:52,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:13:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-23 15:13:52,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 15:13:52,297 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:52,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:52,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:13:52,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:52,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:13:52,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:52,515 INFO L85 PathProgramCache]: Analyzing trace with hash -153149229, now seen corresponding path program 1 times [2022-11-23 15:13:52,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:13:52,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2063613211] [2022-11-23 15:13:52,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:52,516 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 15:13:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:13:52,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:52,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:52,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 15:13:52,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:52,837 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 15:13:52,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:13:52,838 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:13:52,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2063613211] [2022-11-23 15:13:52,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2063613211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:52,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:13:52,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:13:52,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344909656] [2022-11-23 15:13:52,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:52,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:13:52,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:13:52,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:13:52,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:13:52,842 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 15:13:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:53,911 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-23 15:13:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:13:53,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 19 [2022-11-23 15:13:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:53,920 INFO L225 Difference]: With dead ends: 26 [2022-11-23 15:13:53,921 INFO L226 Difference]: Without dead ends: 25 [2022-11-23 15:13:53,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:13:53,923 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:53,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 59 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-23 15:13:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-23 15:13:53,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-11-23 15:13:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:13:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-23 15:13:53,930 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 19 [2022-11-23 15:13:53,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:53,931 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-23 15:13:53,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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 15:13:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-23 15:13:53,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:13:53,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:53,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:53,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:13:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:54,143 INFO L85 PathProgramCache]: Analyzing trace with hash -452654706, now seen corresponding path program 1 times [2022-11-23 15:13:54,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:13:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803478320] [2022-11-23 15:13:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:54,145 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 15:13:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:13:54,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:13:54,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 15:13:54,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:13:54,480 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 15:13:54,481 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:13:54,481 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:13:54,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803478320] [2022-11-23 15:13:54,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803478320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:13:54,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:13:54,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:13:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855705442] [2022-11-23 15:13:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:13:54,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:13:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:13:54,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:13:54,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:13:54,485 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:13:54,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:13:54,664 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-11-23 15:13:54,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:13:54,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-11-23 15:13:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:13:54,667 INFO L225 Difference]: With dead ends: 29 [2022-11-23 15:13:54,667 INFO L226 Difference]: Without dead ends: 24 [2022-11-23 15:13:54,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:13:54,669 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:13:54,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 15:13:54,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-23 15:13:54,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-23 15:13:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:13:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-23 15:13:54,675 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2022-11-23 15:13:54,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:13:54,676 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-11-23 15:13:54,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:13:54,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-23 15:13:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 15:13:54,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:13:54,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:13:54,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,887 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:13:54,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:13:54,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1147518923, now seen corresponding path program 1 times [2022-11-23 15:13:54,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:13:54,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921090628] [2022-11-23 15:13:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:13:54,890 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 15:13:54,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:13:54,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:13:54,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:15:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:15:23,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:15:23,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:15:25,451 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 15:15:25,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:15:25,451 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:15:25,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921090628] [2022-11-23 15:15:25,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921090628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:15:25,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:15:25,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:15:25,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802834366] [2022-11-23 15:15:25,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:15:25,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:15:25,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:15:25,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:15:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:15:25,454 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 15:15:29,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:15:29,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:15:29,135 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-11-23 15:15:29,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:15:29,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-23 15:15:29,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:15:29,143 INFO L225 Difference]: With dead ends: 24 [2022-11-23 15:15:29,143 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 15:15:29,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:15:29,145 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:15:29,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 86 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-23 15:15:29,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 15:15:29,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-23 15:15:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:15:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-23 15:15:29,150 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2022-11-23 15:15:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:15:29,150 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-11-23 15:15:29,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 15:15:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-23 15:15:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:15:29,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:15:29,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:15:29,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:15:29,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:15:29,353 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-23 15:15:29,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:15:29,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1213348176, now seen corresponding path program 1 times [2022-11-23 15:15:29,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:15:29,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189450430] [2022-11-23 15:15:29,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:15:29,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:15:29,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:15:29,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:15:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:17:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:17:13,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:17:13,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:17:15,581 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 15:17:15,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:17:15,581 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:17:15,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189450430] [2022-11-23 15:17:15,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189450430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:17:15,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:17:15,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:17:15,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121195667] [2022-11-23 15:17:15,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:17:15,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:17:15,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:17:15,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:17:15,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:17:15,583 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:17:17,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:17:17,410 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-11-23 15:17:17,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:17:17,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 15:17:17,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:17:17,416 INFO L225 Difference]: With dead ends: 23 [2022-11-23 15:17:17,416 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:17:17,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:17:17,419 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:17:17,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 70 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:17:17,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:17:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:17:17,421 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 15:17:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:17:17,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2022-11-23 15:17:17,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:17:17,422 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:17:17,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:17:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:17:17,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:17:17,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-23 15:17:17,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-23 15:17:17,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-23 15:17:17,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-23 15:17:17,427 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-23 15:17:17,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:17:17,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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 15:17:17,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:17:17,672 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 15:17:17,673 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:17:17,673 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 15:17:17,673 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 15:17:17,673 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:17:17,674 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 15:17:17,674 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 15:17:17,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1872) no Hoare annotation was computed. [2022-11-23 15:17:17,674 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:17:17,674 INFO L899 garLoopResultBuilder]: For program point L1856(lines 1856 1860) no Hoare annotation was computed. [2022-11-23 15:17:17,675 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1881) no Hoare annotation was computed. [2022-11-23 15:17:17,675 INFO L899 garLoopResultBuilder]: For program point L1881(line 1881) no Hoare annotation was computed. [2022-11-23 15:17:17,675 INFO L899 garLoopResultBuilder]: For program point L1881-1(line 1881) no Hoare annotation was computed. [2022-11-23 15:17:17,675 INFO L899 garLoopResultBuilder]: For program point L1879(line 1879) no Hoare annotation was computed. [2022-11-23 15:17:17,676 INFO L899 garLoopResultBuilder]: For program point L1879-1(line 1879) no Hoare annotation was computed. [2022-11-23 15:17:17,676 INFO L899 garLoopResultBuilder]: For program point L1879-3(lines 1879 1887) no Hoare annotation was computed. [2022-11-23 15:17:17,676 INFO L895 garLoopResultBuilder]: At program point L1873(line 1873) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_fscanf_square_67b_goodG2BSink_~data~2#1|) [2022-11-23 15:17:17,676 INFO L899 garLoopResultBuilder]: For program point L1873-1(line 1873) no Hoare annotation was computed. [2022-11-23 15:17:17,677 INFO L895 garLoopResultBuilder]: At program point L1867(lines 1861 1868) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_fscanf_square_67b_goodG2BSink_~data~2#1|) [2022-11-23 15:17:17,677 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:17:17,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1872) no Hoare annotation was computed. [2022-11-23 15:17:17,677 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-23 15:17:17,678 INFO L895 garLoopResultBuilder]: At program point L1886(line 1886) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_fscanf_square_67b_goodG2BSink_~data~2#1|) [2022-11-23 15:17:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:17:17,678 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1881) no Hoare annotation was computed. [2022-11-23 15:17:17,678 INFO L899 garLoopResultBuilder]: For program point L1886-1(lines 1879 1887) no Hoare annotation was computed. [2022-11-23 15:17:17,679 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 15:17:17,679 INFO L895 garLoopResultBuilder]: At program point L1882(line 1882) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_fscanf_square_67b_goodG2BSink_~data~2#1|) [2022-11-23 15:17:17,679 INFO L899 garLoopResultBuilder]: For program point L1847(lines 1847 1855) no Hoare annotation was computed. [2022-11-23 15:17:17,679 INFO L899 garLoopResultBuilder]: For program point L1876(lines 1876 1888) no Hoare annotation was computed. [2022-11-23 15:17:17,679 INFO L899 garLoopResultBuilder]: For program point L1872(line 1872) no Hoare annotation was computed. [2022-11-23 15:17:17,680 INFO L899 garLoopResultBuilder]: For program point L1872-1(line 1872) no Hoare annotation was computed. [2022-11-23 15:17:17,680 INFO L899 garLoopResultBuilder]: For program point L1837(lines 1837 1845) no Hoare annotation was computed. [2022-11-23 15:17:17,680 INFO L899 garLoopResultBuilder]: For program point L1868(lines 1868 1875) no Hoare annotation was computed. [2022-11-23 15:17:17,680 INFO L895 garLoopResultBuilder]: At program point L1866(line 1866) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_CWE190_Integer_Overflow__int_fscanf_square_67b_goodG2BSink_~data~2#1|) [2022-11-23 15:17:17,681 INFO L899 garLoopResultBuilder]: For program point L1866-1(line 1866) no Hoare annotation was computed. [2022-11-23 15:17:17,681 INFO L902 garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: true [2022-11-23 15:17:17,681 INFO L899 garLoopResultBuilder]: For program point L1864-1(line 1864) no Hoare annotation was computed. [2022-11-23 15:17:17,685 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-23 15:17:17,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:17:17,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:17:17 BoogieIcfgContainer [2022-11-23 15:17:17,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:17:17,702 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:17:17,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:17:17,703 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:17:17,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:13:51" (3/4) ... [2022-11-23 15:17:17,707 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:17:17,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 15:17:17,716 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 15:17:17,722 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-23 15:17:17,722 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 15:17:17,723 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:17:17,723 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:17:17,770 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:17:17,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:17:17,772 INFO L158 Benchmark]: Toolchain (without parser) took 212098.11ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.8MB in the beginning and 41.9MB in the end (delta: 19.8MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,772 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:17:17,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2508.97ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.18ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,774 INFO L158 Benchmark]: Boogie Preprocessor took 41.88ms. Allocated memory is still 104.9MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,774 INFO L158 Benchmark]: RCFGBuilder took 3009.07ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 33.3MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,775 INFO L158 Benchmark]: TraceAbstraction took 206352.09ms. Allocated memory is still 104.9MB. Free memory was 32.1MB in the beginning and 45.6MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:17:17,775 INFO L158 Benchmark]: Witness Printer took 68.73ms. Allocated memory is still 104.9MB. Free memory was 45.6MB in the beginning and 41.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:17:17,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2508.97ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 61.6MB in the beginning and 59.3MB in the end (delta: 2.2MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.18ms. Allocated memory is still 104.9MB. Free memory was 59.3MB in the beginning and 55.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.88ms. Allocated memory is still 104.9MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3009.07ms. Allocated memory is still 104.9MB. Free memory was 53.0MB in the beginning and 33.3MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 206352.09ms. Allocated memory is still 104.9MB. Free memory was 32.1MB in the beginning and 45.6MB in the end (delta: -13.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.73ms. Allocated memory is still 104.9MB. Free memory was 45.6MB in the beginning and 41.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1872]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 206.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 313 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 190 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 123 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 18 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 192.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 86 ConstructedInterpolants, 5 QuantifiedInterpolants, 367 SizeOfPredicates, 14 NumberOfNonLiveVariables, 722 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 1861]: Loop Invariant Derived loop invariant: 2bv32 == data RESULT: Ultimate proved your program to be correct! [2022-11-23 15:17:17,999 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 15:17:18,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_810f6338-6812-48b5-ad08-84c9861df60c/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