./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:48:36,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:48:36,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:48:36,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:48:36,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:48:36,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:48:36,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:48:36,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:48:36,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:48:36,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:48:36,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:48:36,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:48:36,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:48:36,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:48:36,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:48:36,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:48:36,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:48:36,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:48:36,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:48:36,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:48:36,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:48:36,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:48:36,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:48:36,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:48:36,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:48:36,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:48:37,000 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:48:37,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:48:37,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:48:37,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:48:37,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:48:37,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:48:37,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:48:37,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:48:37,008 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:48:37,008 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:48:37,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:48:37,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:48:37,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:48:37,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:48:37,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:48:37,013 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:48:37,036 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:48:37,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:48:37,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:48:37,038 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:48:37,038 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:48:37,038 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:48:37,039 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:48:37,039 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:48:37,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:48:37,040 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:48:37,046 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:48:37,047 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:48:37,047 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:48:37,047 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:48:37,047 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:48:37,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:48:37,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:48:37,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:48:37,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:48:37,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:48:37,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:48:37,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:48:37,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:48:37,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:48:37,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:48:37,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:48:37,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:48:37,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:48:37,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:48:37,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:48:37,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:48:37,054 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:48:37,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:48:37,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:48:37,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:48:37,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:48:37,056 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-03 04:48:37,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:48:37,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:48:37,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:48:37,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:48:37,381 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:48:37,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 04:48:37,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/61c233ae0/3c98cde165dd4586b41c4c895575a193/FLAGf3c3412ce [2021-11-03 04:48:38,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:48:38,427 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 04:48:38,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/61c233ae0/3c98cde165dd4586b41c4c895575a193/FLAGf3c3412ce [2021-11-03 04:48:38,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/61c233ae0/3c98cde165dd4586b41c4c895575a193 [2021-11-03 04:48:38,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:48:38,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:48:38,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:48:38,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:48:38,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:48:38,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:38" (1/1) ... [2021-11-03 04:48:38,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2b4803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:38, skipping insertion in model container [2021-11-03 04:48:38,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:38" (1/1) ... [2021-11-03 04:48:38,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:48:39,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:48:39,278 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-03 04:48:39,285 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-03 04:48:39,305 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:48:39,310 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:48:40,279 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,289 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,290 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,291 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,292 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,304 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,313 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,315 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:40,724 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:48:40,725 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:48:40,727 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:48:40,728 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:48:40,729 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:48:40,730 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:48:40,731 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:48:40,732 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:48:40,732 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:48:40,733 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:48:40,894 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:48:40,909 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.IllegalArgumentException: byte size smaller than 1 makes no sense at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.checkIfNecessaryMemoryModelAdaption(CHandler.java:1054) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:962) 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:1369) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2938) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2798) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2101) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) 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:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:48:40,920 INFO L168 Benchmark]: Toolchain (without parser) took 2039.70 ms. Allocated memory is still 134.2 MB. Free memory was 91.0 MB in the beginning and 74.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:48:40,921 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:48:40,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2036.44 ms. Allocated memory is still 134.2 MB. Free memory was 90.7 MB in the beginning and 74.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-11-03 04:48:40,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 83.9 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2036.44 ms. Allocated memory is still 134.2 MB. Free memory was 90.7 MB in the beginning and 74.8 MB in the end (delta: 16.0 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:48:43,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:48:43,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:48:43,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:48:43,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:48:43,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:48:43,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:48:43,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:48:43,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:48:43,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:48:43,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:48:43,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:48:43,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:48:43,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:48:43,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:48:43,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:48:43,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:48:43,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:48:43,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:48:43,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:48:43,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:48:43,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:48:43,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:48:43,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:48:43,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:48:43,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:48:43,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:48:43,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:48:43,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:48:43,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:48:43,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:48:43,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:48:43,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:48:43,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:48:43,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:48:43,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:48:43,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:48:43,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:48:43,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:48:43,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:48:43,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:48:43,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:48:43,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:48:43,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:48:43,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:48:43,317 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:48:43,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:48:43,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:48:43,317 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:48:43,317 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:48:43,317 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:48:43,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:48:43,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:48:43,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:48:43,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:48:43,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:48:43,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:48:43,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:48:43,320 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:48:43,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:48:43,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:48:43,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:48:43,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:48:43,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:48:43,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:48:43,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:48:43,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:48:43,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:48:43,322 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:48:43,323 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2021-11-03 04:48:43,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:48:43,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:48:43,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:48:43,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:48:43,710 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:48:43,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 04:48:43,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/1d66a57d2/4ebde008451742c2a3360a403a4af76b/FLAG54db07f8b [2021-11-03 04:48:44,797 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:48:44,798 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2021-11-03 04:48:44,848 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/1d66a57d2/4ebde008451742c2a3360a403a4af76b/FLAG54db07f8b [2021-11-03 04:48:45,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/data/1d66a57d2/4ebde008451742c2a3360a403a4af76b [2021-11-03 04:48:45,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:48:45,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:48:45,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:48:45,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:48:45,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:48:45,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:45" (1/1) ... [2021-11-03 04:48:45,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fb88b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:45, skipping insertion in model container [2021-11-03 04:48:45,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:45" (1/1) ... [2021-11-03 04:48:45,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:48:45,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:48:45,698 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-03 04:48:45,707 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-03 04:48:45,744 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:48:45,758 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:48:46,785 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,786 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,787 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,788 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,805 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,806 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,808 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:46,809 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:48:47,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:48:47,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:48:47,242 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:48:47,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:48:47,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:48:47,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:48:47,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:48:47,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:48:47,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:48:47,431 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:48:47,574 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,574 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:48:47,795 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:48:47,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:48:47,907 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-03 04:48:47,908 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-03 04:48:47,910 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:48:47,911 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:48:47,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,982 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,983 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:47,984 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,001 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,003 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,006 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:48:48,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:48:48,062 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:48:48,063 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:48:48,064 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:48:48,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:48:48,068 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:48:48,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:48:48,070 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:48:48,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:48:48,093 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:48:48,184 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,185 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:48:48,348 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:48:48,374 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4500,4513] [2021-11-03 04:48:48,375 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i[4560,4573] [2021-11-03 04:48:48,377 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:48:48,378 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:48:48,437 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,441 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,442 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,442 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,443 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,449 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,450 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,451 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,451 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,488 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:48:48,489 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:48:48,489 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:48:48,490 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:48:48,491 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:48:48,491 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:48:48,492 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:48:48,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:48:48,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:48:48,493 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:48:48,533 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:48:48,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,603 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:48:48,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:48:49,095 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:48:49,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49 WrapperNode [2021-11-03 04:48:49,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:48:49,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:48:49,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:48:49,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:48:49,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:48:49,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:48:49,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:48:49,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:48:49,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,458 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:48:49,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:48:49,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:48:49,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:48:49,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (1/1) ... [2021-11-03 04:48:49,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:48:49,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:48:49,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:48:49,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:48:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:48:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:48:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:48:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2021-11-03 04:48:49,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 04:48:49,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:48:49,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:48:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:48:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:48:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 04:48:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 04:48:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE8 [2021-11-03 04:48:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intFLOATTYPE4 [2021-11-03 04:48:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2021-11-03 04:48:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 04:48:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 04:48:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 04:48:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 04:49:05,889 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume !true; [2021-11-03 04:49:05,897 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:49:05,897 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-11-03 04:49:05,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:05 BoogieIcfgContainer [2021-11-03 04:49:05,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:49:05,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:49:05,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:49:05,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:49:05,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:48:45" (1/3) ... [2021-11-03 04:49:05,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13466697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:05, skipping insertion in model container [2021-11-03 04:49:05,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:49" (2/3) ... [2021-11-03 04:49:05,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13466697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:49:05, skipping insertion in model container [2021-11-03 04:49:05,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:49:05" (3/3) ... [2021-11-03 04:49:05,910 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2021-11-03 04:49:05,916 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:49:05,917 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-03 04:49:05,979 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:49:05,985 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:49:05,986 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-03 04:49:06,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 112 states have (on average 1.4107142857142858) internal successors, (158), 120 states have internal predecessors, (158), 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) [2021-11-03 04:49:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:49:06,009 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:06,009 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:06,010 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:06,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:06,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1109000935, now seen corresponding path program 1 times [2021-11-03 04:49:06,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:06,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208476881] [2021-11-03 04:49:06,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:06,039 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:06,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:06,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:06,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:49:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:10,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:49:10,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:10,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:49:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:10,493 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:49:10,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [208476881] [2021-11-03 04:49:10,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [208476881] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:49:10,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:49:10,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:49:10,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484126604] [2021-11-03 04:49:10,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:49:10,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:49:10,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:49:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:49:10,532 INFO L87 Difference]: Start difference. First operand has 121 states, 112 states have (on average 1.4107142857142858) internal successors, (158), 120 states have internal predecessors, (158), 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) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-03 04:49:10,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:49:10,590 INFO L93 Difference]: Finished difference Result 237 states and 310 transitions. [2021-11-03 04:49:10,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:49:10,591 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) Word has length 34 [2021-11-03 04:49:10,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:49:10,616 INFO L225 Difference]: With dead ends: 237 [2021-11-03 04:49:10,616 INFO L226 Difference]: Without dead ends: 115 [2021-11-03 04:49:10,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:49:10,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-11-03 04:49:10,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-11-03 04:49:10,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 107 states have (on average 1.2523364485981308) internal successors, (134), 114 states have internal predecessors, (134), 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) [2021-11-03 04:49:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2021-11-03 04:49:10,687 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 34 [2021-11-03 04:49:10,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:49:10,687 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2021-11-03 04:49:10,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-03 04:49:10,688 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2021-11-03 04:49:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 04:49:10,689 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:10,689 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:10,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:49:10,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:49:10,913 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:10,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:10,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1047697893, now seen corresponding path program 1 times [2021-11-03 04:49:10,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:10,918 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1095075924] [2021-11-03 04:49:10,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:10,919 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:10,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:10,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:10,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:49:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:15,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1778 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:49:15,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:15,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-11-03 04:49:15,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2021-11-03 04:49:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:15,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:49:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:15,747 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:49:15,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1095075924] [2021-11-03 04:49:15,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1095075924] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:49:15,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:49:15,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2021-11-03 04:49:15,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872846452] [2021-11-03 04:49:15,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:49:15,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:49:15,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:49:15,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:49:15,751 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-11-03 04:49:24,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:49:24,848 INFO L93 Difference]: Finished difference Result 208 states and 242 transitions. [2021-11-03 04:49:24,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:49:24,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) Word has length 34 [2021-11-03 04:49:24,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:49:24,853 INFO L225 Difference]: With dead ends: 208 [2021-11-03 04:49:24,853 INFO L226 Difference]: Without dead ends: 117 [2021-11-03 04:49:24,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:49:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-11-03 04:49:24,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-11-03 04:49:24,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 109 states have (on average 1.2477064220183487) internal successors, (136), 116 states have internal predecessors, (136), 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) [2021-11-03 04:49:24,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-03 04:49:24,876 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 34 [2021-11-03 04:49:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:49:24,876 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-03 04:49:24,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-11-03 04:49:24,877 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-03 04:49:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-03 04:49:24,878 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:24,879 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:24,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:49:25,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:49:25,081 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:25,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash -887750569, now seen corresponding path program 1 times [2021-11-03 04:49:25,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:25,087 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189430195] [2021-11-03 04:49:25,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:25,087 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:25,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:25,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:25,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:49:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:29,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1781 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 04:49:29,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:29,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:49:29,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:29,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:49:29,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189430195] [2021-11-03 04:49:29,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189430195] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:49:29,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:49:29,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:49:29,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337194227] [2021-11-03 04:49:29,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 04:49:29,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:49:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 04:49:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:49:29,787 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-03 04:49:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:49:30,105 INFO L93 Difference]: Finished difference Result 279 states and 322 transitions. [2021-11-03 04:49:30,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 04:49:30,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) Word has length 35 [2021-11-03 04:49:30,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:49:30,108 INFO L225 Difference]: With dead ends: 279 [2021-11-03 04:49:30,108 INFO L226 Difference]: Without dead ends: 188 [2021-11-03 04:49:30,109 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:49:30,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-03 04:49:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 115. [2021-11-03 04:49:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 107 states have (on average 1.2429906542056075) internal successors, (133), 114 states have internal predecessors, (133), 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) [2021-11-03 04:49:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2021-11-03 04:49:30,122 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 35 [2021-11-03 04:49:30,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:49:30,122 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2021-11-03 04:49:30,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-11-03 04:49:30,123 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2021-11-03 04:49:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-03 04:49:30,124 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:30,124 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:30,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:49:30,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:49:30,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:30,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:30,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1393620352, now seen corresponding path program 1 times [2021-11-03 04:49:30,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:30,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684154513] [2021-11-03 04:49:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:30,345 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:30,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:30,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:30,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:49:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:34,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:49:34,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:34,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:49:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:34,943 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:49:34,943 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684154513] [2021-11-03 04:49:34,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684154513] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:49:34,944 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:49:34,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:49:34,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701044218] [2021-11-03 04:49:34,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:49:34,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:49:34,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:49:34,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:49:34,946 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-11-03 04:49:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:49:35,084 INFO L93 Difference]: Finished difference Result 240 states and 276 transitions. [2021-11-03 04:49:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:49:35,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) Word has length 39 [2021-11-03 04:49:35,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:49:35,086 INFO L225 Difference]: With dead ends: 240 [2021-11-03 04:49:35,087 INFO L226 Difference]: Without dead ends: 195 [2021-11-03 04:49:35,087 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:49:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-03 04:49:35,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 118. [2021-11-03 04:49:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 110 states have (on average 1.2363636363636363) internal successors, (136), 117 states have internal predecessors, (136), 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) [2021-11-03 04:49:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2021-11-03 04:49:35,117 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 39 [2021-11-03 04:49:35,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:49:35,117 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2021-11-03 04:49:35,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-11-03 04:49:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2021-11-03 04:49:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:49:35,119 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:35,119 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:35,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:49:35,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:49:35,332 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:35,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash 25965596, now seen corresponding path program 1 times [2021-11-03 04:49:35,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:35,336 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867452820] [2021-11-03 04:49:35,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:35,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:35,337 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:35,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:49:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:39,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 04:49:39,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:39,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:49:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:39,812 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:49:39,812 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867452820] [2021-11-03 04:49:39,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867452820] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:49:39,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:49:39,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:49:39,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333901042] [2021-11-03 04:49:39,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:49:39,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:49:39,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:49:39,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:49:39,814 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-03 04:49:40,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:49:40,015 INFO L93 Difference]: Finished difference Result 181 states and 206 transitions. [2021-11-03 04:49:40,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:49:40,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) Word has length 41 [2021-11-03 04:49:40,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:49:40,018 INFO L225 Difference]: With dead ends: 181 [2021-11-03 04:49:40,018 INFO L226 Difference]: Without dead ends: 139 [2021-11-03 04:49:40,018 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:49:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-03 04:49:40,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 121. [2021-11-03 04:49:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 113 states have (on average 1.2300884955752212) internal successors, (139), 120 states have internal predecessors, (139), 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) [2021-11-03 04:49:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2021-11-03 04:49:40,028 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 41 [2021-11-03 04:49:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:49:40,029 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2021-11-03 04:49:40,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-11-03 04:49:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2021-11-03 04:49:40,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-03 04:49:40,031 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:49:40,031 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:49:40,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:49:40,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:49:40,245 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-03 04:49:40,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:49:40,246 INFO L85 PathProgramCache]: Analyzing trace with hash -528776773, now seen corresponding path program 1 times [2021-11-03 04:49:40,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:49:40,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036941279] [2021-11-03 04:49:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:49:40,250 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:49:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:49:40,251 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:49:40,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38c99a31-6d04-4433-98c5-deb24a4f1aa4/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:49:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:49:44,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 1811 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-03 04:49:44,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:49:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:49:47,062 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:51:07,563 WARN L207 SmtUtils]: Spent 1.29 m on a formula simplification. DAG size of input: 662 DAG size of output: 412 [2021-11-03 04:51:07,572 INFO L354 Elim1Store]: treesize reduction 860, result has 57.3 percent of original size [2021-11-03 04:51:07,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 20 new quantified variables, introduced 153 case distinctions, treesize of input 148 treesize of output 1203