./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:24:21,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:24:21,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:24:21,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:24:21,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:24:21,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:24:21,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:24:21,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:24:21,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:24:21,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:24:21,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:24:21,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:24:21,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:24:21,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:24:21,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:24:21,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:24:21,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:24:21,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:24:21,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:24:21,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:24:21,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:24:21,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:24:21,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:24:21,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:24:21,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:24:21,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:24:21,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:24:21,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:24:21,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:24:21,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:24:21,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:24:21,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:24:21,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:24:21,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:24:21,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:24:21,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:24:21,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:24:21,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:24:21,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:24:21,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:24:21,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:24:21,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:24:21,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:24:21,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:24:21,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:24:21,923 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:24:21,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:24:21,924 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:24:21,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:24:21,924 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:24:21,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:24:21,925 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:24:21,925 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:24:21,926 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:24:21,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:24:21,937 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:24:21,938 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:24:21,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:24:21,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:24:21,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:24:21,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:24:21,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:24:21,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:24:21,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:24:21,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:24:21,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:24:21,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:24:21,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:24:21,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:24:21,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:24:21,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:24:21,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:24:21,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:24:21,947 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:24:21,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:24:21,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:24:21,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:24:21,948 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:24:21,950 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2021-11-03 05:24:22,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:24:22,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:24:22,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:24:22,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:24:22,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:24:22,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-03 05:24:22,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/3ab9e9037/96b4160ed5f14fbba9c0d28ff73209d4/FLAG95ca8732b [2021-11-03 05:24:23,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:24:23,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-03 05:24:23,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/3ab9e9037/96b4160ed5f14fbba9c0d28ff73209d4/FLAG95ca8732b [2021-11-03 05:24:23,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/3ab9e9037/96b4160ed5f14fbba9c0d28ff73209d4 [2021-11-03 05:24:23,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:24:23,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:24:23,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:24:23,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:24:23,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:24:23,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:24:23" (1/1) ... [2021-11-03 05:24:23,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f42dbb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:23, skipping insertion in model container [2021-11-03 05:24:23,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:24:23" (1/1) ... [2021-11-03 05:24:23,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:24:24,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:24:24,488 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-03 05:24:24,503 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-03 05:24:24,550 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:24:24,570 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:24:26,054 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,058 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,076 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,077 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,080 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,081 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:26,793 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:24:26,795 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:24:26,800 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:24:26,801 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:24:26,804 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:24:26,811 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:24:26,823 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:24:26,824 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:24:26,825 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:24:26,826 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:24:27,121 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:24:27,143 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.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1437) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1381) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:24:27,152 INFO L168 Benchmark]: Toolchain (without parser) took 3295.42 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 63.0 MB in the beginning and 68.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:27,153 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:24:27,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3292.81 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 63.0 MB in the beginning and 68.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:27,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 92.3 MB. Free memory is still 70.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3292.81 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 63.0 MB in the beginning and 68.7 MB in the end (delta: -5.6 MB). Peak memory consumption was 31.3 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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 e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:24:29,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:24:29,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:24:30,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:24:30,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:24:30,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:24:30,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:24:30,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:24:30,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:24:30,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:24:30,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:24:30,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:24:30,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:24:30,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:24:30,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:24:30,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:24:30,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:24:30,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:24:30,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:24:30,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:24:30,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:24:30,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:24:30,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:24:30,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:24:30,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:24:30,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:24:30,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:24:30,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:24:30,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:24:30,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:24:30,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:24:30,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:24:30,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:24:30,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:24:30,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:24:30,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:24:30,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:24:30,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:24:30,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:24:30,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:24:30,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:24:30,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:24:30,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:24:30,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:24:30,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:24:30,175 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:24:30,175 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:24:30,175 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:24:30,176 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:24:30,176 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:24:30,176 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:24:30,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:24:30,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:24:30,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:24:30,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:24:30,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:24:30,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:24:30,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:24:30,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:24:30,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:24:30,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:24:30,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:24:30,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:24:30,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:24:30,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:24:30,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:24:30,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:24:30,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:24:30,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:24:30,181 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:24:30,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:24:30,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:24:30,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:24:30,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:24:30,182 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2319232de809c5fc7a2ae9b5bcaacd5710dfa5ecc8cc9afebba783e154bd6e0 [2021-11-03 05:24:30,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:24:30,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:24:30,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:24:30,661 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:24:30,662 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:24:30,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-03 05:24:30,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/806eb8739/fba033f1671443bb93ad3513c042d892/FLAG4060f19c1 [2021-11-03 05:24:31,939 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:24:31,941 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i [2021-11-03 05:24:32,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/806eb8739/fba033f1671443bb93ad3513c042d892/FLAG4060f19c1 [2021-11-03 05:24:32,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/data/806eb8739/fba033f1671443bb93ad3513c042d892 [2021-11-03 05:24:32,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:24:32,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:24:32,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:24:32,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:24:32,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:24:32,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:24:32" (1/1) ... [2021-11-03 05:24:32,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681ce3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:32, skipping insertion in model container [2021-11-03 05:24:32,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:24:32" (1/1) ... [2021-11-03 05:24:32,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:24:32,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:24:32,901 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-03 05:24:32,913 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-03 05:24:32,960 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:24:32,968 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:24:34,263 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,268 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,269 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,271 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,273 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,332 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:34,333 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:35,142 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:24:35,144 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:24:35,145 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:24:35,147 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:24:35,148 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:24:35,149 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:24:35,150 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:24:35,151 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:24:35,152 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:24:35,153 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:24:35,468 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:24:35,630 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:35,631 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,055 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,056 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,085 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,087 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,096 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,096 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,120 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,125 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,126 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,127 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,129 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,129 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:24:36,331 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:24:36,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:24:36,487 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-03 05:24:36,488 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-03 05:24:36,489 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:24:36,490 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:24:36,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,551 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,559 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,560 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,565 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,566 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,567 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,568 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,647 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:24:36,647 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:24:36,648 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:24:36,649 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:24:36,649 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:24:36,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:24:36,650 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:24:36,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:24:36,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:24:36,651 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:24:36,670 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:24:36,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,850 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,851 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,859 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,860 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,863 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,863 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,873 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,874 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,875 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,876 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,876 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,877 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,878 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:36,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:24:37,055 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:24:37,084 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4500,4513] [2021-11-03 05:24:37,111 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_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness.i[4560,4573] [2021-11-03 05:24:37,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:24:37,114 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:24:37,171 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,172 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,173 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,174 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,182 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,182 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,183 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,184 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,231 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:24:37,233 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:24:37,233 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:24:37,235 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:24:37,236 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:24:37,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:24:37,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:24:37,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:24:37,239 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:24:37,240 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:24:37,292 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:24:37,401 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,402 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,489 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,490 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,516 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,519 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,520 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,531 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,532 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,533 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,534 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:24:37,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:24:37,902 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:24:37,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37 WrapperNode [2021-11-03 05:24:37,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:24:37,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:24:37,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:24:37,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:24:37,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:24:38,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:24:38,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:24:38,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:24:38,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:24:38,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:24:38,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:24:38,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:24:38,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (1/1) ... [2021-11-03 05:24:38,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:24:38,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:24:38,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:24:38,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:24:38,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:24:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:24:38,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:24:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:24:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:24:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 05:24:38,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:24:39,607 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !true; [2021-11-03 05:24:39,615 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:24:39,615 INFO L299 CfgBuilder]: Removed 60 assume(true) statements. [2021-11-03 05:24:39,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:24:39 BoogieIcfgContainer [2021-11-03 05:24:39,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:24:39,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:24:39,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:24:39,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:24:39,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:24:32" (1/3) ... [2021-11-03 05:24:39,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435598a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:24:39, skipping insertion in model container [2021-11-03 05:24:39,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:24:37" (2/3) ... [2021-11-03 05:24:39,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435598a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:24:39, skipping insertion in model container [2021-11-03 05:24:39,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:24:39" (3/3) ... [2021-11-03 05:24:39,627 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness.i [2021-11-03 05:24:39,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:24:39,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-03 05:24:39,715 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:24:39,722 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 05:24:39,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 05:24:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 51 states have (on average 1.392156862745098) internal successors, (71), 54 states have internal predecessors, (71), 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 05:24:39,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-03 05:24:39,749 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:39,750 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] [2021-11-03 05:24:39,751 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:39,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1599795525, now seen corresponding path program 1 times [2021-11-03 05:24:39,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:39,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47511172] [2021-11-03 05:24:39,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:39,789 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:39,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:39,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:24:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:24:40,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:24:40,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:24:40,321 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 05:24:40,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:24:40,403 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 05:24:40,404 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:24:40,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47511172] [2021-11-03 05:24:40,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47511172] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:24:40,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:24:40,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:24:40,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371221123] [2021-11-03 05:24:40,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:24:40,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:24:40,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:24:40,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:24:40,432 INFO L87 Difference]: Start difference. First operand has 55 states, 51 states have (on average 1.392156862745098) internal successors, (71), 54 states have internal predecessors, (71), 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 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 05:24:40,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:24:40,457 INFO L93 Difference]: Finished difference Result 106 states and 137 transitions. [2021-11-03 05:24:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:24:40,460 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-11-03 05:24:40,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:24:40,470 INFO L225 Difference]: With dead ends: 106 [2021-11-03 05:24:40,470 INFO L226 Difference]: Without dead ends: 50 [2021-11-03 05:24:40,474 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 48 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 05:24:40,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-03 05:24:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-03 05:24:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 49 states have internal predecessors, (51), 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 05:24:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2021-11-03 05:24:40,515 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 25 [2021-11-03 05:24:40,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:24:40,516 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2021-11-03 05:24:40,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 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 05:24:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2021-11-03 05:24:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-03 05:24:40,518 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:40,518 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] [2021-11-03 05:24:40,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:24:40,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:40,730 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:40,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:40,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1892036256, now seen corresponding path program 1 times [2021-11-03 05:24:40,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:40,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284645869] [2021-11-03 05:24:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:40,734 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:40,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:40,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:40,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:24:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:24:41,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 05:24:41,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:24:41,393 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 05:24:41,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:24:41,511 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 05:24:41,511 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:24:41,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284645869] [2021-11-03 05:24:41,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284645869] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:24:41,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:24:41,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 10 [2021-11-03 05:24:41,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205884149] [2021-11-03 05:24:41,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 05:24:41,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:24:41,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 05:24:41,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:24:41,516 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 05:24:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:24:41,984 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2021-11-03 05:24:41,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 05:24:41,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 26 [2021-11-03 05:24:41,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:24:41,990 INFO L225 Difference]: With dead ends: 67 [2021-11-03 05:24:41,990 INFO L226 Difference]: Without dead ends: 50 [2021-11-03 05:24:41,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-11-03 05:24:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-11-03 05:24:42,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2021-11-03 05:24:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 49 states have internal predecessors, (50), 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 05:24:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2021-11-03 05:24:42,010 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 26 [2021-11-03 05:24:42,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:24:42,011 INFO L470 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2021-11-03 05:24:42,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 05:24:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2021-11-03 05:24:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-03 05:24:42,013 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:42,013 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] [2021-11-03 05:24:42,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:24:42,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:42,237 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:42,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1472602148, now seen corresponding path program 1 times [2021-11-03 05:24:42,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:42,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123285683] [2021-11-03 05:24:42,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:42,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:42,243 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:42,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:24:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:24:42,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-03 05:24:42,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:24:42,866 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 05:24:42,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:24:43,074 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 05:24:43,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:24:43,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123285683] [2021-11-03 05:24:43,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123285683] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:24:43,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:24:43,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 13 [2021-11-03 05:24:43,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133723199] [2021-11-03 05:24:43,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 05:24:43,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:24:43,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 05:24:43,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-11-03 05:24:43,077 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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 05:24:43,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:24:43,805 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-11-03 05:24:43,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-03 05:24:43,807 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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 27 [2021-11-03 05:24:43,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:24:43,808 INFO L225 Difference]: With dead ends: 50 [2021-11-03 05:24:43,808 INFO L226 Difference]: Without dead ends: 48 [2021-11-03 05:24:43,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-11-03 05:24:43,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-03 05:24:43,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-03 05:24:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 47 states have internal predecessors, (48), 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 05:24:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2021-11-03 05:24:43,825 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 27 [2021-11-03 05:24:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:24:43,826 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2021-11-03 05:24:43,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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 05:24:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2021-11-03 05:24:43,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 05:24:43,829 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:43,829 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] [2021-11-03 05:24:43,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 05:24:44,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:44,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:44,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:44,052 INFO L85 PathProgramCache]: Analyzing trace with hash -788472151, now seen corresponding path program 1 times [2021-11-03 05:24:44,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:44,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330285496] [2021-11-03 05:24:44,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:44,054 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:44,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:44,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:44,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:24:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:24:44,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-03 05:24:44,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:24:44,935 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 05:24:44,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:24:45,273 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 05:24:45,274 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:24:45,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330285496] [2021-11-03 05:24:45,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330285496] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:24:45,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:24:45,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 12 [2021-11-03 05:24:45,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211693960] [2021-11-03 05:24:45,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-03 05:24:45,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:24:45,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-03 05:24:45,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-03 05:24:45,278 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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 05:24:45,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:24:45,873 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-11-03 05:24:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-03 05:24:45,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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 31 [2021-11-03 05:24:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:24:45,876 INFO L225 Difference]: With dead ends: 72 [2021-11-03 05:24:45,876 INFO L226 Difference]: Without dead ends: 70 [2021-11-03 05:24:45,877 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-11-03 05:24:45,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-03 05:24:45,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 46. [2021-11-03 05:24:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 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 05:24:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2021-11-03 05:24:45,887 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 31 [2021-11-03 05:24:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:24:45,888 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2021-11-03 05:24:45,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 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 05:24:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2021-11-03 05:24:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-03 05:24:45,890 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:45,891 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] [2021-11-03 05:24:45,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:24:46,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:46,114 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:46,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1439752775, now seen corresponding path program 1 times [2021-11-03 05:24:46,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:46,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040247959] [2021-11-03 05:24:46,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:46,116 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:46,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:46,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:46,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:24:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:24:46,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-03 05:24:46,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:24:47,029 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 05:24:47,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:24:47,102 INFO L354 Elim1Store]: treesize reduction 8, result has 46.7 percent of original size [2021-11-03 05:24:47,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2021-11-03 05:24:47,398 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 05:24:47,398 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:24:47,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040247959] [2021-11-03 05:24:47,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040247959] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:24:47,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:24:47,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 7 [2021-11-03 05:24:47,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992625578] [2021-11-03 05:24:47,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 05:24:47,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:24:47,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 05:24:47,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:24:47,401 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 05:24:47,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:24:47,574 INFO L93 Difference]: Finished difference Result 70 states and 69 transitions. [2021-11-03 05:24:47,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 05:24:47,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 36 [2021-11-03 05:24:47,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:24:47,577 INFO L225 Difference]: With dead ends: 70 [2021-11-03 05:24:47,577 INFO L226 Difference]: Without dead ends: 46 [2021-11-03 05:24:47,588 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-03 05:24:47,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-03 05:24:47,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-03 05:24:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.0) internal successors, (45), 45 states have internal predecessors, (45), 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 05:24:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 45 transitions. [2021-11-03 05:24:47,596 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 45 transitions. Word has length 36 [2021-11-03 05:24:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:24:47,597 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 45 transitions. [2021-11-03 05:24:47,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 05:24:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 45 transitions. [2021-11-03 05:24:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 05:24:47,599 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:24:47,599 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] [2021-11-03 05:24:47,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:24:47,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:47,819 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:24:47,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:24:47,820 INFO L85 PathProgramCache]: Analyzing trace with hash -740992344, now seen corresponding path program 1 times [2021-11-03 05:24:47,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:24:47,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321414558] [2021-11-03 05:24:47,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:24:47,821 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:24:47,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:24:47,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:24:47,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 05:24:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:24:48,848 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 05:24:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 05:24:49,966 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-03 05:24:49,967 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 05:24:49,968 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:24:49,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:24:49,970 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:24:50,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 05:24:50,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:24:50,199 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 05:24:50,203 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:24:50,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:24:50 BoogieIcfgContainer [2021-11-03 05:24:50,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:24:50,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:24:50,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:24:50,347 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:24:50,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:24:39" (3/4) ... [2021-11-03 05:24:50,351 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 05:24:50,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:24:50,353 INFO L168 Benchmark]: Toolchain (without parser) took 18126.34 ms. Allocated memory was 54.5 MB in the beginning and 304.1 MB in the end (delta: 249.6 MB). Free memory was 31.7 MB in the beginning and 200.0 MB in the end (delta: -168.3 MB). Peak memory consumption was 79.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,353 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:24:50,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5676.39 ms. Allocated memory was 54.5 MB in the beginning and 186.6 MB in the end (delta: 132.1 MB). Free memory was 31.4 MB in the beginning and 105.4 MB in the end (delta: -74.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 347.50 ms. Allocated memory is still 186.6 MB. Free memory was 105.4 MB in the beginning and 93.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,355 INFO L168 Benchmark]: Boogie Preprocessor took 147.90 ms. Allocated memory is still 186.6 MB. Free memory was 93.9 MB in the beginning and 88.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,356 INFO L168 Benchmark]: RCFGBuilder took 1216.48 ms. Allocated memory is still 186.6 MB. Free memory was 88.7 MB in the beginning and 94.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,356 INFO L168 Benchmark]: TraceAbstraction took 10725.45 ms. Allocated memory was 186.6 MB in the beginning and 304.1 MB in the end (delta: 117.4 MB). Free memory was 93.4 MB in the beginning and 200.0 MB in the end (delta: -106.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2021-11-03 05:24:50,356 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 304.1 MB. Free memory is still 200.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:24:50,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 54.5 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5676.39 ms. Allocated memory was 54.5 MB in the beginning and 186.6 MB in the end (delta: 132.1 MB). Free memory was 31.4 MB in the beginning and 105.4 MB in the end (delta: -74.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 347.50 ms. Allocated memory is still 186.6 MB. Free memory was 105.4 MB in the beginning and 93.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 147.90 ms. Allocated memory is still 186.6 MB. Free memory was 93.9 MB in the beginning and 88.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1216.48 ms. Allocated memory is still 186.6 MB. Free memory was 88.7 MB in the beginning and 94.4 MB in the end (delta: -5.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10725.45 ms. Allocated memory was 186.6 MB in the beginning and 304.1 MB in the end (delta: 117.4 MB). Free memory was 93.4 MB in the beginning and 200.0 MB in the end (delta: -106.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.30 ms. Allocated memory is still 304.1 MB. Free memory is still 200.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of strcmp at line 10798, overapproximation of strlen at line 11324. Possible FailurePath: [L6879-L6884] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7634-L7646] static const uint8_t s_tolower_table[256] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255}; VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L6899] return malloc(size); [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L6839] return str; VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L11318] const char *str1 = ensure_c_str_is_allocated(64); [L261] return __VERIFIER_nondet_bool(); [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) [L266] return __VERIFIER_nondet_ulong(); [L6832] size_t cap = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L6899] return malloc(size); [L6834] const char *str = bounded_malloc(cap); [L6838] str[cap - 1] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L6839] return str; VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L11319] EXPR nondet_bool() ? str1 : ensure_c_str_is_allocated(64) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L11319] const char *str2 = nondet_bool() ? str1 : ensure_c_str_is_allocated(64); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L10797-L10798] _Bool rval = !strcmp(a, b); [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) [L6272] return str && ((((1)) == 0) || ((str))); VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L10799] aws_c_string_is_valid(a) && aws_c_string_is_valid(b) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L10799] return rval; VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L11321-L11322] _Bool rval = aws_hash_callback_c_str_eq(str1, str2); [L11323] COND TRUE \read(rval) [L11324] size_t len = strlen(str1); [L223] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L7114-L7117] COND TRUE len > 0 && a != ((void *)0) && b != ((void *)0) [L266] return __VERIFIER_nondet_ulong(); [L7119] size_t i = nondet_uint64_t(); [L211] COND FALSE !(!cond) VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L7123] a[i] [L7123] b[i] [L223] COND TRUE !cond VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] [L223] reach_error() VAL [s_can_fail_allocator_static={8796093022203:0}, s_tolower_table={65543:0}] - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 204 SDtfs, 588 SDslu, 650 SDs, 0 SdLazy, 266 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 05:24:50,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_deb3e9f9-b023-41b6-afa2-4d6b5156fc9a/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample