./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d381c0c7ddf1e8b88bac196801aa1983a062da760215ad37138b63f8baf70942 --- 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-2329fc7 [2022-12-13 19:26:53,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:26:53,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:26:53,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:26:53,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:26:53,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:26:53,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:26:53,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:26:53,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:26:53,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:26:53,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:26:53,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:26:53,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:26:53,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:26:53,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:26:53,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:26:53,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:26:53,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:26:53,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:26:53,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:26:53,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:26:53,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:26:53,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:26:53,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:26:53,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:26:53,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:26:53,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:26:53,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:26:53,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:26:53,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:26:53,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:26:53,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:26:53,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:26:53,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:26:53,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:26:53,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:26:53,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:26:53,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:26:53,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:26:53,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:26:53,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:26:53,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 19:26:53,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:26:53,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:26:53,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:26:53,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:26:53,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:26:53,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:26:53,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:26:53,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:26:53,892 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:26:53,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:26:53,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:26:53,893 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:26:53,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:26:53,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:26:53,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:26:53,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:26:53,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:26:53,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:26:53,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:26:53,895 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:26:53,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:26:53,896 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:26:53,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:26:53,896 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:26:53,896 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d381c0c7ddf1e8b88bac196801aa1983a062da760215ad37138b63f8baf70942 [2022-12-13 19:26:54,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:26:54,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:26:54,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:26:54,118 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:26:54,118 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:26:54,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i [2022-12-13 19:26:56,773 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:26:57,063 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:26:57,063 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i [2022-12-13 19:26:57,082 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/79a34d085/62caaa7fa7ce498486da6b8ecbe4857a/FLAG522d799ce [2022-12-13 19:26:57,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/79a34d085/62caaa7fa7ce498486da6b8ecbe4857a [2022-12-13 19:26:57,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:26:57,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:26:57,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:26:57,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:26:57,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:26:57,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:26:57" (1/1) ... [2022-12-13 19:26:57,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1614ae71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:26:57, skipping insertion in model container [2022-12-13 19:26:57,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:26:57" (1/1) ... [2022-12-13 19:26:57,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:26:57,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:26:57,471 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:26:57,879 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:26:57,884 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:26:57,886 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:26:57,888 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:26:57,889 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:26:58,312 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 19:26:58,317 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:26:58,325 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2063) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1645) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1094) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2395) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-13 19:26:58,329 INFO L158 Benchmark]: Toolchain (without parser) took 1230.71ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 66.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 19:26:58,330 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:26:58,330 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1228.77ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 66.9MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 19:26:58,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1228.77ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 66.9MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:806) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d381c0c7ddf1e8b88bac196801aa1983a062da760215ad37138b63f8baf70942 --- 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-2329fc7 [2022-12-13 19:26:59,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:26:59,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:26:59,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:26:59,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:26:59,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:26:59,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:26:59,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:26:59,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:26:59,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:26:59,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:26:59,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:26:59,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:26:59,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:26:59,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:26:59,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:26:59,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:26:59,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:26:59,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:26:59,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:26:59,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:26:59,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:26:59,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:26:59,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:26:59,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:26:59,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:26:59,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:26:59,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:26:59,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:26:59,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:26:59,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:26:59,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:26:59,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:26:59,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:26:59,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:26:59,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:26:59,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:26:59,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:26:59,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:26:59,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:26:59,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:26:59,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-12-13 19:26:59,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:26:59,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:26:59,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:26:59,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:26:59,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:26:59,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:26:59,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:26:59,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:26:59,663 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:26:59,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:26:59,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:26:59,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:26:59,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:26:59,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:26:59,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:26:59,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:26:59,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:26:59,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:26:59,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:26:59,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:26:59,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:26:59,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:26:59,667 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 19:26:59,668 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:26:59,668 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d381c0c7ddf1e8b88bac196801aa1983a062da760215ad37138b63f8baf70942 [2022-12-13 19:26:59,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:26:59,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:26:59,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:26:59,928 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:26:59,928 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:26:59,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i [2022-12-13 19:27:02,508 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:27:02,768 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:27:02,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_good.i [2022-12-13 19:27:02,784 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/eec122d5b/93a448181aa14a169c9acadf446897b6/FLAGcd2eb033a [2022-12-13 19:27:02,796 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/data/eec122d5b/93a448181aa14a169c9acadf446897b6 [2022-12-13 19:27:02,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:27:02,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:27:02,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:02,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:27:02,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:27:02,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:02" (1/1) ... [2022-12-13 19:27:02,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e4b7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:02, skipping insertion in model container [2022-12-13 19:27:02,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:27:02" (1/1) ... [2022-12-13 19:27:02,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:27:02,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:27:03,112 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:27:03,449 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:27:03,453 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:27:03,454 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:27:03,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:27:03,456 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:27:03,763 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 19:27:03,767 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:27:03,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:03,786 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:27:03,802 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 19:27:03,855 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 19:27:03,857 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:27:03,858 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 19:27:03,860 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:27:03,861 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 19:27:03,874 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 19:27:03,876 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 19:27:03,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:27:04,135 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:27:04,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04 WrapperNode [2022-12-13 19:27:04,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:27:04,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:04,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:27:04,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:27:04,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,182 INFO L138 Inliner]: procedures = 949, calls = 71, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 77 [2022-12-13 19:27:04,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:27:04,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:27:04,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:27:04,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:27:04,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,202 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:27:04,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:27:04,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:27:04,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:27:04,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (1/1) ... [2022-12-13 19:27:04,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:27:04,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:27:04,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:27:04,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:27:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 19:27:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 19:27:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:27:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:27:04,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:27:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 19:27:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 19:27:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 19:27:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 19:27:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 19:27:04,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 19:27:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 19:27:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 19:27:04,409 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:27:04,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:27:05,986 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:27:05,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:27:05,992 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 19:27:05,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:05 BoogieIcfgContainer [2022-12-13 19:27:05,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:27:05,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:27:05,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:27:05,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:27:05,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:27:02" (1/3) ... [2022-12-13 19:27:06,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8da5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:27:06, skipping insertion in model container [2022-12-13 19:27:06,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:27:04" (2/3) ... [2022-12-13 19:27:06,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d8da5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:27:06, skipping insertion in model container [2022-12-13 19:27:06,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:05" (3/3) ... [2022-12-13 19:27:06,002 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_52_good.i [2022-12-13 19:27:06,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:27:06,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-12-13 19:27:06,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:27:06,056 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=PETRI_NET, 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;@23bd6dcd, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:27:06,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-13 19:27:06,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 19:27:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 19:27:06,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:27:06,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:27:06,068 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)] === [2022-12-13 19:27:06,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:27:06,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1091410623, now seen corresponding path program 1 times [2022-12-13 19:27:06,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:27:06,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2128392273] [2022-12-13 19:27:06,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:27:06,082 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 [2022-12-13 19:27:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:27:06,084 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:27:06,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:27:06,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 19:27:06,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:27:06,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:27:06,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:27:06,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:27:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2128392273] [2022-12-13 19:27:06,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2128392273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:27:06,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:27:06,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:27:06,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757826411] [2022-12-13 19:27:06,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:27:06,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:27:06,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:27:06,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:27:06,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:27:06,269 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 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) [2022-12-13 19:27:06,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:27:06,348 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2022-12-13 19:27:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:27:06,354 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 [2022-12-13 19:27:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:27:06,359 INFO L225 Difference]: With dead ends: 41 [2022-12-13 19:27:06,359 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 19:27:06,361 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 [2022-12-13 19:27:06,363 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 25 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 59 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 [2022-12-13 19:27:06,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 59 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 19:27:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 19:27:06,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-12-13 19:27:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:27:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-12-13 19:27:06,398 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 9 [2022-12-13 19:27:06,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:27:06,399 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-12-13 19:27:06,399 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) [2022-12-13 19:27:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-12-13 19:27:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-13 19:27:06,401 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:27:06,401 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] [2022-12-13 19:27:06,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:06,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:06,603 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)] === [2022-12-13 19:27:06,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:27:06,605 INFO L85 PathProgramCache]: Analyzing trace with hash 955054027, now seen corresponding path program 1 times [2022-12-13 19:27:06,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:27:06,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310719295] [2022-12-13 19:27:06,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:27:06,608 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 [2022-12-13 19:27:06,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:27:06,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:27:06,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:27:06,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:27:06,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:27:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:27:06,827 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:27:06,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:27:06,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310719295] [2022-12-13 19:27:06,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310719295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:27:06,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:27:06,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:27:06,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349175734] [2022-12-13 19:27:06,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:27:06,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:27:06,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:27:06,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:27:06,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:27:06,830 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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) [2022-12-13 19:27:07,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:27:07,109 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-12-13 19:27:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:27:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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 [2022-12-13 19:27:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:27:07,114 INFO L225 Difference]: With dead ends: 29 [2022-12-13 19:27:07,114 INFO L226 Difference]: Without dead ends: 28 [2022-12-13 19:27:07,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:27:07,115 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:27:07,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 74 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:27:07,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-12-13 19:27:07,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-12-13 19:27:07,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:27:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-12-13 19:27:07,119 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 21 [2022-12-13 19:27:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:27:07,120 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-12-13 19:27:07,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (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) [2022-12-13 19:27:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-13 19:27:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 19:27:07,120 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:27:07,120 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] [2022-12-13 19:27:07,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 19:27:07,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:07,323 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)] === [2022-12-13 19:27:07,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:27:07,324 INFO L85 PathProgramCache]: Analyzing trace with hash -458092129, now seen corresponding path program 1 times [2022-12-13 19:27:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:27:07,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [943482421] [2022-12-13 19:27:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:27:07,327 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 [2022-12-13 19:27:07,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:27:07,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:27:07,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:27:07,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:27:07,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:27:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:27:07,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:27:07,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:27:07,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [943482421] [2022-12-13 19:27:07,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [943482421] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:27:07,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:27:07,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:27:07,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937839671] [2022-12-13 19:27:07,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:27:07,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:27:07,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:27:07,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:27:07,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:27:07,463 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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) [2022-12-13 19:27:07,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:27:07,479 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2022-12-13 19:27:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:27:07,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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 [2022-12-13 19:27:07,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:27:07,480 INFO L225 Difference]: With dead ends: 32 [2022-12-13 19:27:07,480 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 19:27:07,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:27:07,481 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:27:07,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 19:27:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 19:27:07,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-12-13 19:27:07,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:27:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-12-13 19:27:07,484 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 22 [2022-12-13 19:27:07,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:27:07,484 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-12-13 19:27:07,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (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) [2022-12-13 19:27:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-12-13 19:27:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 19:27:07,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:27:07,485 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, 1] [2022-12-13 19:27:07,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 19:27:07,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:27:07,687 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)] === [2022-12-13 19:27:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:27:07,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1316079027, now seen corresponding path program 1 times [2022-12-13 19:27:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:27:07,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187982061] [2022-12-13 19:27:07,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:27:07,691 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 [2022-12-13 19:27:07,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:27:07,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:27:07,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:28:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:28:03,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 19:28:03,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:28:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:28:04,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:28:04,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:28:04,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187982061] [2022-12-13 19:28:04,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187982061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:28:04,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:28:04,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:28:04,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274646607] [2022-12-13 19:28:04,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:28:04,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:28:04,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:28:04,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:28:04,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:28:04,449 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (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) [2022-12-13 19:28:07,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 19:28:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:28:07,275 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2022-12-13 19:28:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:28:07,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-12-13 19:28:07,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:28:07,281 INFO L225 Difference]: With dead ends: 27 [2022-12-13 19:28:07,281 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 19:28:07,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 19:28:07,282 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 19:28:07,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 19:28:07,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 19:28:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 19:28:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 19:28:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2022-12-13 19:28:07,287 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 23 [2022-12-13 19:28:07,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:28:07,287 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2022-12-13 19:28:07,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (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) [2022-12-13 19:28:07,287 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-12-13 19:28:07,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 19:28:07,288 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:28:07,288 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, 1, 1] [2022-12-13 19:28:07,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 19:28:07,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:28:07,490 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)] === [2022-12-13 19:28:07,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:28:07,492 INFO L85 PathProgramCache]: Analyzing trace with hash -2143744095, now seen corresponding path program 1 times [2022-12-13 19:28:07,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 19:28:07,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67229792] [2022-12-13 19:28:07,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:28:07,494 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 [2022-12-13 19:28:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 19:28:07,497 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 19:28:07,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:29:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:29:02,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:29:02,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:29:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:29:03,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:29:03,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 19:29:03,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67229792] [2022-12-13 19:29:03,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67229792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:29:03,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:29:03,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 19:29:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128634700] [2022-12-13 19:29:03,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:29:03,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 19:29:03,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 19:29:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:29:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:29:03,182 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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) [2022-12-13 19:29:04,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:29:04,067 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2022-12-13 19:29:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:29:04,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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 24 [2022-12-13 19:29:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:29:04,072 INFO L225 Difference]: With dead ends: 26 [2022-12-13 19:29:04,072 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:29:04,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:29:04,073 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:29:04,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:29:04,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:29:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:29:04,074 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) [2022-12-13 19:29:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:29:04,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-12-13 19:29:04,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:29:04,074 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:29:04,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (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) [2022-12-13 19:29:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:29:04,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:29:04,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-12-13 19:29:04,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-12-13 19:29:04,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-12-13 19:29:04,077 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-12-13 19:29:04,078 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-12-13 19:29:04,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 19:29:04,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 19:29:04,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:29:04,350 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 19:29:04,350 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 19:29:04,350 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 19:29:04,351 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 19:29:04,351 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 19:29:04,351 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 19:29:04,351 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 19:29:04,352 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1892) no Hoare annotation was computed. [2022-12-13 19:29:04,352 INFO L895 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,352 INFO L899 garLoopResultBuilder]: For program point L1885-1(lines 1881 1887) no Hoare annotation was computed. [2022-12-13 19:29:04,352 INFO L899 garLoopResultBuilder]: For program point L1877(lines 1877 1880) no Hoare annotation was computed. [2022-12-13 19:29:04,352 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1863 1870) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,353 INFO L899 garLoopResultBuilder]: For program point L1890(line 1890) no Hoare annotation was computed. [2022-12-13 19:29:04,353 INFO L899 garLoopResultBuilder]: For program point L1890-1(line 1890) no Hoare annotation was computed. [2022-12-13 19:29:04,353 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:29:04,353 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1884) no Hoare annotation was computed. [2022-12-13 19:29:04,353 INFO L899 garLoopResultBuilder]: For program point L1890-3(lines 1890 1898) no Hoare annotation was computed. [2022-12-13 19:29:04,353 INFO L895 garLoopResultBuilder]: At program point L1853(line 1853) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1892) no Hoare annotation was computed. [2022-12-13 19:29:04,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:29:04,354 INFO L899 garLoopResultBuilder]: For program point L1853-1(lines 1847 1854) no Hoare annotation was computed. [2022-12-13 19:29:04,354 INFO L899 garLoopResultBuilder]: For program point L1841(lines 1841 1857) no Hoare annotation was computed. [2022-12-13 19:29:04,354 INFO L902 garLoopResultBuilder]: At program point L1866(line 1866) the Hoare annotation is: true [2022-12-13 19:29:04,355 INFO L899 garLoopResultBuilder]: For program point L1866-1(line 1866) no Hoare annotation was computed. [2022-12-13 19:29:04,355 INFO L899 garLoopResultBuilder]: For program point L1833(lines 1833 1839) no Hoare annotation was computed. [2022-12-13 19:29:04,355 INFO L899 garLoopResultBuilder]: For program point L1858(lines 1858 1862) no Hoare annotation was computed. [2022-12-13 19:29:04,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1884) no Hoare annotation was computed. [2022-12-13 19:29:04,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:29:04,356 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:29:04,356 INFO L899 garLoopResultBuilder]: For program point L1892(line 1892) no Hoare annotation was computed. [2022-12-13 19:29:04,356 INFO L899 garLoopResultBuilder]: For program point L1892-1(line 1892) no Hoare annotation was computed. [2022-12-13 19:29:04,356 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1890) no Hoare annotation was computed. [2022-12-13 19:29:04,356 INFO L899 garLoopResultBuilder]: For program point L1884(line 1884) no Hoare annotation was computed. [2022-12-13 19:29:04,357 INFO L899 garLoopResultBuilder]: For program point L1884-1(line 1884) no Hoare annotation was computed. [2022-12-13 19:29:04,357 INFO L899 garLoopResultBuilder]: For program point L1847(lines 1847 1854) no Hoare annotation was computed. [2022-12-13 19:29:04,357 INFO L899 garLoopResultBuilder]: For program point L1872(lines 1872 1875) no Hoare annotation was computed. [2022-12-13 19:29:04,357 INFO L895 garLoopResultBuilder]: At program point L1868(line 1868) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,357 INFO L899 garLoopResultBuilder]: For program point L1868-1(line 1868) no Hoare annotation was computed. [2022-12-13 19:29:04,357 INFO L895 garLoopResultBuilder]: At program point L1897(line 1897) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,358 INFO L899 garLoopResultBuilder]: For program point L1897-1(lines 1888 1899) no Hoare annotation was computed. [2022-12-13 19:29:04,358 INFO L895 garLoopResultBuilder]: At program point L1893(line 1893) the Hoare annotation is: (= |ULTIMATE.start_CWE190_Integer_Overflow__int_fgets_square_52c_goodG2BSink_~data#1| (_ bv2 32)) [2022-12-13 19:29:04,362 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-13 19:29:04,364 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:29:04,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:29:04 BoogieIcfgContainer [2022-12-13 19:29:04,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:29:04,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:29:04,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:29:04,373 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:29:04,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:27:05" (3/4) ... [2022-12-13 19:29:04,376 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:29:04,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 19:29:04,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 19:29:04,383 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 19:29:04,383 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-13 19:29:04,383 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 19:29:04,383 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:29:04,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:29:04,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:29:04,407 INFO L158 Benchmark]: Toolchain (without parser) took 121608.79ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 40.7MB in the beginning and 40.1MB in the end (delta: 592.5kB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,407 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:29:04,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1336.31ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 40.5MB in the beginning and 91.4MB in the end (delta: -50.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.54ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 87.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,408 INFO L158 Benchmark]: Boogie Preprocessor took 23.92ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,408 INFO L158 Benchmark]: RCFGBuilder took 1787.06ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 68.7MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,408 INFO L158 Benchmark]: TraceAbstraction took 118376.84ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 43.3MB in the end (delta: 24.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,409 INFO L158 Benchmark]: Witness Printer took 33.58ms. Allocated memory is still 123.7MB. Free memory was 43.3MB in the beginning and 40.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:29:04,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1336.31ms. Allocated memory was 67.1MB in the beginning and 123.7MB in the end (delta: 56.6MB). Free memory was 40.5MB in the beginning and 91.4MB in the end (delta: -50.8MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.54ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 87.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.92ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1787.06ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 68.7MB in the end (delta: 16.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 118376.84ms. Allocated memory is still 123.7MB. Free memory was 67.6MB in the beginning and 43.3MB in the end (delta: 24.3MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Witness Printer took 33.58ms. Allocated memory is still 123.7MB. Free memory was 43.3MB in the beginning and 40.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1890]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1892]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1892]: 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, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 118.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32 mSDsluCounter, 389 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 241 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 148 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 9 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 21 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 109.7s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 94 ConstructedInterpolants, 5 QuantifiedInterpolants, 363 SizeOfPredicates, 11 NumberOfNonLiveVariables, 422 ConjunctsInSsa, 23 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: 1863]: Loop Invariant Derived loop invariant: data == 2bv32 RESULT: Ultimate proved your program to be correct! [2022-12-13 19:29:04,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2594dd5-f183-4521-907a-a5c196d74225/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE