./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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 edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:47:55,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:47:55,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:47:55,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:47:55,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:47:55,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:47:55,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:47:55,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:47:55,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:47:55,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:47:55,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:47:55,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:47:55,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:47:55,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:47:55,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:47:55,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:47:55,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:47:55,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:47:55,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:47:55,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:47:55,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:47:55,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:47:55,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:47:55,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:47:55,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:47:55,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:47:55,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:47:55,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:47:55,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:47:55,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:47:55,216 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:47:55,217 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:47:55,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:47:55,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:47:55,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:47:55,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:47:55,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:47:55,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:47:55,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:47:55,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:47:55,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:47:55,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 05:47:55,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:47:55,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:47:55,272 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:47:55,272 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:47:55,272 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:47:55,273 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:47:55,273 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 05:47:55,273 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:47:55,273 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:47:55,273 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 05:47:55,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 05:47:55,275 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:47:55,275 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 05:47:55,275 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 05:47:55,276 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 05:47:55,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:47:55,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 05:47:55,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:47:55,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:47:55,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:47:55,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:47:55,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:47:55,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:47:55,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:47:55,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:47:55,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:47:55,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:47:55,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:47:55,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:47:55,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:47:55,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:47:55,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 05:47:55,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 05:47:55,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:47:55,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:47:55,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:47:55,282 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 [2021-11-03 05:47:55,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:47:55,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:47:55,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:47:55,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:47:55,642 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:47:55,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-03 05:47:55,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/587f094ee/ddd9b40e20674a71838b748722fc590c/FLAGe020960a4 [2021-11-03 05:47:56,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:47:56,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-03 05:47:56,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/587f094ee/ddd9b40e20674a71838b748722fc590c/FLAGe020960a4 [2021-11-03 05:47:57,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/587f094ee/ddd9b40e20674a71838b748722fc590c [2021-11-03 05:47:57,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:47:57,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:47:57,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:47:57,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:47:57,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:47:57,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:47:57" (1/1) ... [2021-11-03 05:47:57,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e1ada1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:47:57, skipping insertion in model container [2021-11-03 05:47:57,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:47:57" (1/1) ... [2021-11-03 05:47:57,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:47:57,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:47:57,623 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-03 05:47:57,631 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-03 05:47:57,656 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:47:57,670 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:47:58,695 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,696 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,696 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,697 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,698 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,712 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,714 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,715 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,717 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:58,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:47:59,277 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:47:59,285 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:47:59,288 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:47:59,292 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:47:59,294 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:47:59,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:47:59,301 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:47:59,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:47:59,304 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:47:59,305 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:47:59,504 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:47:59,520 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 05:47:59,525 INFO L168 Benchmark]: Toolchain (without parser) took 2392.22 ms. Allocated memory is still 119.5 MB. Free memory was 95.4 MB in the beginning and 53.6 MB in the end (delta: 41.8 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:47:59,527 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:47:59,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2385.31 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 53.6 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-11-03 05:47:59,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 90.2 MB. Free memory was 61.9 MB in the beginning and 61.9 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2385.31 ms. Allocated memory is still 119.5 MB. Free memory was 94.9 MB in the beginning and 53.6 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.9 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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 edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 05:48:01,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 05:48:01,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 05:48:01,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 05:48:01,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 05:48:01,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 05:48:01,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 05:48:01,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 05:48:01,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 05:48:01,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 05:48:01,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 05:48:01,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 05:48:01,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 05:48:01,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 05:48:01,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 05:48:01,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 05:48:01,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 05:48:01,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 05:48:01,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 05:48:01,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 05:48:01,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 05:48:01,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 05:48:01,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 05:48:01,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 05:48:01,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 05:48:01,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 05:48:01,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 05:48:01,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 05:48:01,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 05:48:01,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 05:48:01,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 05:48:01,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 05:48:01,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 05:48:01,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 05:48:01,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 05:48:01,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 05:48:01,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 05:48:01,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 05:48:01,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 05:48:01,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 05:48:01,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 05:48:01,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 05:48:01,774 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 05:48:01,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 05:48:01,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 05:48:01,775 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 05:48:01,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 05:48:01,776 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 05:48:01,776 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 05:48:01,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 05:48:01,777 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 05:48:01,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 05:48:01,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 05:48:01,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 05:48:01,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 05:48:01,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 05:48:01,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 05:48:01,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 05:48:01,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 05:48:01,779 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 05:48:01,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 05:48:01,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 05:48:01,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 05:48:01,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 05:48:01,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 05:48:01,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:48:01,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 05:48:01,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 05:48:01,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 05:48:01,785 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 05:48:01,786 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 05:48:01,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 05:48:01,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 05:48:01,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 05:48:01,786 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> edc61b8c285d87a6706f10a0369a5dd380942e398b4b2231a7f494f856622f23 [2021-11-03 05:48:02,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 05:48:02,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 05:48:02,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 05:48:02,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 05:48:02,148 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 05:48:02,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-03 05:48:02,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/5e3495cc9/b09c9a533db543d3a462575d86334a27/FLAG98bf0605d [2021-11-03 05:48:03,211 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 05:48:03,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i [2021-11-03 05:48:03,261 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/5e3495cc9/b09c9a533db543d3a462575d86334a27/FLAG98bf0605d [2021-11-03 05:48:03,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/data/5e3495cc9/b09c9a533db543d3a462575d86334a27 [2021-11-03 05:48:03,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 05:48:03,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 05:48:03,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 05:48:03,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 05:48:03,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 05:48:03,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:48:03" (1/1) ... [2021-11-03 05:48:03,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cbd3143 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:03, skipping insertion in model container [2021-11-03 05:48:03,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:48:03" (1/1) ... [2021-11-03 05:48:03,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 05:48:03,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:48:04,096 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-03 05:48:04,103 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-03 05:48:04,130 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:48:04,137 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:48:05,495 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,496 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,497 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,498 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,511 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,511 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,513 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,514 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,515 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,516 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,517 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,517 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:05,981 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:48:05,982 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:48:05,983 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:48:05,984 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:48:05,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:48:05,986 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:48:05,987 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:48:05,988 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:48:05,988 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:48:05,989 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:48:06,193 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:48:06,621 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,623 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,658 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,659 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,666 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,669 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,698 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,704 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,705 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,706 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,709 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,710 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:48:06,852 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 05:48:06,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 05:48:06,933 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-03 05:48:06,933 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-03 05:48:06,935 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:48:06,936 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:48:06,991 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,992 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,992 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,992 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:06,993 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,002 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,005 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,007 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,010 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,011 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,013 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,013 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,014 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,054 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:48:07,055 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:48:07,056 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:48:07,057 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:48:07,058 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:48:07,059 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:48:07,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:48:07,060 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:48:07,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:48:07,061 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:48:07,088 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:48:07,211 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,212 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,219 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,220 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,222 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,229 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,230 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,231 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,232 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:48:07,287 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 05:48:07,299 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4503,4516] [2021-11-03 05:48:07,300 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_0cfd8374-3ea3-4254-a33d-9de1b49943c0/sv-benchmarks/c/aws-c-common/aws_hash_table_init_unbounded_harness.i[4563,4576] [2021-11-03 05:48:07,301 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 05:48:07,302 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 05:48:07,327 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,327 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,328 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,328 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,329 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,334 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,335 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,336 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,337 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,363 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 05:48:07,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 05:48:07,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 05:48:07,365 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 05:48:07,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 05:48:07,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 05:48:07,367 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 05:48:07,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 05:48:07,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 05:48:07,389 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 05:48:07,406 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 05:48:07,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,523 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,538 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,538 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,541 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,542 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,554 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,554 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,555 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 05:48:07,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 05:48:08,030 INFO L208 MainTranslator]: Completed translation [2021-11-03 05:48:08,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08 WrapperNode [2021-11-03 05:48:08,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 05:48:08,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 05:48:08,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 05:48:08,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 05:48:08,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 05:48:08,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 05:48:08,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 05:48:08,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 05:48:08,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 05:48:08,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 05:48:08,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 05:48:08,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 05:48:08,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (1/1) ... [2021-11-03 05:48:08,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 05:48:08,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 05:48:08,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 05:48:08,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 05:48:08,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-03 05:48:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 05:48:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 05:48:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 05:48:08,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 05:48:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 05:48:08,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 05:48:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-03 05:48:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 05:48:08,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 05:48:29,407 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !true; [2021-11-03 05:48:29,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 05:48:29,417 INFO L299 CfgBuilder]: Removed 118 assume(true) statements. [2021-11-03 05:48:29,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:48:29 BoogieIcfgContainer [2021-11-03 05:48:29,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 05:48:29,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 05:48:29,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 05:48:29,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 05:48:29,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:48:03" (1/3) ... [2021-11-03 05:48:29,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d1a612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:48:29, skipping insertion in model container [2021-11-03 05:48:29,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:48:08" (2/3) ... [2021-11-03 05:48:29,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d1a612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:48:29, skipping insertion in model container [2021-11-03 05:48:29,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:48:29" (3/3) ... [2021-11-03 05:48:29,441 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_unbounded_harness.i [2021-11-03 05:48:29,445 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 05:48:29,445 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-03 05:48:29,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 05:48:29,523 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 05:48:29,523 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-03 05:48:29,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 112 states have internal predecessors, (150), 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 05:48:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 05:48:29,550 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:29,551 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 05:48:29,553 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:29,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1956444402, now seen corresponding path program 1 times [2021-11-03 05:48:29,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:29,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186190188] [2021-11-03 05:48:29,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:29,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:29,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:29,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:29,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 05:48:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:48:33,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 05:48:33,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:48:33,622 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 05:48:33,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:48:33,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:48:33,784 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:48:33,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186190188] [2021-11-03 05:48:33,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186190188] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:48:33,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:48:33,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 05:48:33,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978646714] [2021-11-03 05:48:33,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 05:48:33,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:48:33,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 05:48:33,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 05:48:33,806 INFO L87 Difference]: Start difference. First operand has 113 states, 110 states have (on average 1.3636363636363635) internal successors, (150), 112 states have internal predecessors, (150), 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 15.5) internal successors, (31), 2 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 05:48:33,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:48:33,831 INFO L93 Difference]: Finished difference Result 221 states and 294 transitions. [2021-11-03 05:48:33,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 05:48:33,832 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 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 31 [2021-11-03 05:48:33,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:48:33,841 INFO L225 Difference]: With dead ends: 221 [2021-11-03 05:48:33,841 INFO L226 Difference]: Without dead ends: 106 [2021-11-03 05:48:33,844 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 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 05:48:33,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-03 05:48:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-11-03 05:48:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.2403846153846154) internal successors, (129), 105 states have internal predecessors, (129), 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 05:48:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 129 transitions. [2021-11-03 05:48:33,882 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 129 transitions. Word has length 31 [2021-11-03 05:48:33,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:48:33,883 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 129 transitions. [2021-11-03 05:48:33,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 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 05:48:33,883 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2021-11-03 05:48:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-03 05:48:33,885 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:33,885 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 05:48:33,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 05:48:34,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:48:34,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:34,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:34,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1279980632, now seen corresponding path program 1 times [2021-11-03 05:48:34,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:34,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [653560405] [2021-11-03 05:48:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:34,108 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:34,109 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:34,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 05:48:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:48:37,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 1511 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:48:37,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:48:38,122 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 05:48:38,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:48:38,302 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 05:48:38,302 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:48:38,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [653560405] [2021-11-03 05:48:38,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [653560405] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:48:38,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:48:38,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:48:38,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626976539] [2021-11-03 05:48:38,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:48:38,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:48:38,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:48:38,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:48:38,309 INFO L87 Difference]: Start difference. First operand 106 states and 129 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:48:40,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:48:40,551 INFO L93 Difference]: Finished difference Result 281 states and 346 transitions. [2021-11-03 05:48:40,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 05:48:40,552 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-03 05:48:40,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:48:40,554 INFO L225 Difference]: With dead ends: 281 [2021-11-03 05:48:40,554 INFO L226 Difference]: Without dead ends: 196 [2021-11-03 05:48:40,556 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:48:40,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-03 05:48:40,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 109. [2021-11-03 05:48:40,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 107 states have (on average 1.2242990654205608) internal successors, (131), 108 states have internal predecessors, (131), 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 05:48:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2021-11-03 05:48:40,571 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 31 [2021-11-03 05:48:40,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:48:40,572 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2021-11-03 05:48:40,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:48:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2021-11-03 05:48:40,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-03 05:48:40,573 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:40,574 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] [2021-11-03 05:48:40,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 05:48:40,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:48:40,801 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:40,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash -551898889, now seen corresponding path program 1 times [2021-11-03 05:48:40,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:40,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1626409171] [2021-11-03 05:48:40,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:40,807 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:40,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:40,814 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:40,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 05:48:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:48:44,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 1512 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:48:44,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:48:44,823 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 05:48:44,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:48:45,024 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 05:48:45,025 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:48:45,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1626409171] [2021-11-03 05:48:45,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1626409171] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:48:45,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:48:45,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:48:45,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414177388] [2021-11-03 05:48:45,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:48:45,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:48:45,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:48:45,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:48:45,026 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:48:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:48:47,116 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2021-11-03 05:48:47,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:48:47,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-11-03 05:48:47,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:48:47,119 INFO L225 Difference]: With dead ends: 194 [2021-11-03 05:48:47,119 INFO L226 Difference]: Without dead ends: 109 [2021-11-03 05:48:47,120 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:48:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-03 05:48:47,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 106. [2021-11-03 05:48:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.2211538461538463) internal successors, (127), 105 states have internal predecessors, (127), 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 05:48:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 127 transitions. [2021-11-03 05:48:47,132 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 127 transitions. Word has length 32 [2021-11-03 05:48:47,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:48:47,133 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 127 transitions. [2021-11-03 05:48:47,133 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:48:47,133 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 127 transitions. [2021-11-03 05:48:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-03 05:48:47,134 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:47,135 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 05:48:47,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 05:48:47,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:48:47,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:47,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:47,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1472200601, now seen corresponding path program 1 times [2021-11-03 05:48:47,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:47,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453502400] [2021-11-03 05:48:47,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:47,360 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:47,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:47,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 05:48:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:48:51,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:48:51,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:48:51,259 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 05:48:51,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:48:51,412 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 05:48:51,413 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:48:51,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453502400] [2021-11-03 05:48:51,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453502400] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:48:51,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:48:51,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:48:51,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736925338] [2021-11-03 05:48:51,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:48:51,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:48:51,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:48:51,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:48:51,415 INFO L87 Difference]: Start difference. First operand 106 states and 127 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 05:48:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:48:51,493 INFO L93 Difference]: Finished difference Result 119 states and 142 transitions. [2021-11-03 05:48:51,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:48:51,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-03 05:48:51,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:48:51,495 INFO L225 Difference]: With dead ends: 119 [2021-11-03 05:48:51,496 INFO L226 Difference]: Without dead ends: 106 [2021-11-03 05:48:51,496 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:48:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-03 05:48:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-11-03 05:48:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.2019230769230769) internal successors, (125), 105 states have internal predecessors, (125), 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 05:48:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2021-11-03 05:48:51,509 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 34 [2021-11-03 05:48:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:48:51,509 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2021-11-03 05:48:51,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 05:48:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2021-11-03 05:48:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-03 05:48:51,511 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:51,511 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] [2021-11-03 05:48:51,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 05:48:51,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:48:51,733 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:51,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:51,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1356656509, now seen corresponding path program 1 times [2021-11-03 05:48:51,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:51,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390770948] [2021-11-03 05:48:51,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:51,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:51,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:51,739 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:51,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 05:48:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:48:55,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 05:48:55,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:48:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 05:48:55,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:48:55,945 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 05:48:55,945 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:48:55,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390770948] [2021-11-03 05:48:55,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390770948] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:48:55,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:48:55,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 05:48:55,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049189887] [2021-11-03 05:48:55,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 05:48:55,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:48:55,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 05:48:55,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-03 05:48:55,948 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 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 05:48:58,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:48:58,298 INFO L93 Difference]: Finished difference Result 187 states and 222 transitions. [2021-11-03 05:48:58,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 05:48:58,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 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) Word has length 42 [2021-11-03 05:48:58,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:48:58,306 INFO L225 Difference]: With dead ends: 187 [2021-11-03 05:48:58,306 INFO L226 Difference]: Without dead ends: 106 [2021-11-03 05:48:58,307 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 05:48:58,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-03 05:48:58,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2021-11-03 05:48:58,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 104 states have (on average 1.1923076923076923) internal successors, (124), 105 states have internal predecessors, (124), 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 05:48:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2021-11-03 05:48:58,318 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 42 [2021-11-03 05:48:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:48:58,318 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2021-11-03 05:48:58,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 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 05:48:58,319 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2021-11-03 05:48:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-03 05:48:58,320 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 05:48:58,320 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] [2021-11-03 05:48:58,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 05:48:58,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:48:58,537 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 05:48:58,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 05:48:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1114813143, now seen corresponding path program 1 times [2021-11-03 05:48:58,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 05:48:58,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008312456] [2021-11-03 05:48:58,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 05:48:58,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 05:48:58,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 05:48:58,541 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 05:48:58,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 05:49:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 05:49:02,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 05:49:02,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 05:49:02,913 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 05:49:02,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 05:49:03,171 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 05:49:03,171 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 05:49:03,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008312456] [2021-11-03 05:49:03,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008312456] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 05:49:03,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 05:49:03,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 05:49:03,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932180090] [2021-11-03 05:49:03,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 05:49:03,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 05:49:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 05:49:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 05:49:03,173 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 05:49:05,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 05:49:05,280 INFO L93 Difference]: Finished difference Result 106 states and 124 transitions. [2021-11-03 05:49:05,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 05:49:05,280 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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) Word has length 44 [2021-11-03 05:49:05,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 05:49:05,281 INFO L225 Difference]: With dead ends: 106 [2021-11-03 05:49:05,281 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 05:49:05,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-03 05:49:05,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 05:49:05,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 05:49:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 05:49:05,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 05:49:05,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-11-03 05:49:05,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 05:49:05,284 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 05:49:05,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 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 05:49:05,284 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 05:49:05,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 05:49:05,287 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:49:05,288 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 05:49:05,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-03 05:49:05,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 05:49:05,498 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 05:49:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 05:49:05,992 INFO L857 garLoopResultBuilder]: For program point L10143-2(lines 10143 10145) no Hoare annotation was computed. [2021-11-03 05:49:05,992 INFO L857 garLoopResultBuilder]: For program point L10143(lines 10143 10145) no Hoare annotation was computed. [2021-11-03 05:49:05,992 INFO L853 garLoopResultBuilder]: At program point L250(lines 248 251) the Hoare annotation is: false [2021-11-03 05:49:05,992 INFO L857 garLoopResultBuilder]: For program point L7385-3(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,992 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 05:49:05,992 INFO L857 garLoopResultBuilder]: For program point L7385-2(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point L7385-1(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point L7385(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point L9202(lines 9202 9204) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point L7385-5(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point L7385-4(lines 7385 7387) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 05:49:05,993 INFO L853 garLoopResultBuilder]: At program point L6940(lines 6934 6941) the Hoare annotation is: false [2021-11-03 05:49:05,993 INFO L853 garLoopResultBuilder]: At program point L10062-1(lines 10017 10064) the Hoare annotation is: false [2021-11-03 05:49:05,994 INFO L853 garLoopResultBuilder]: At program point L10062(lines 10017 10064) the Hoare annotation is: false [2021-11-03 05:49:05,994 INFO L853 garLoopResultBuilder]: At program point L9220(lines 9220 9261) the Hoare annotation is: (and (= (bvadd |ULTIMATE.start_aws_hash_table_init_#res| (_ bv1 32)) (_ bv0 32)) (not (bvslt ULTIMATE.start_s_update_template_size_~min_size~0 (_ bv2 64))) (not (bvslt ULTIMATE.start_aws_round_up_to_power_of_two_~n (_ bv2 64)))) [2021-11-03 05:49:05,994 INFO L853 garLoopResultBuilder]: At program point L2630(lines 2626 2631) the Hoare annotation is: false [2021-11-03 05:49:05,994 INFO L853 garLoopResultBuilder]: At program point L2630-1(lines 2626 2631) the Hoare annotation is: false [2021-11-03 05:49:05,994 INFO L857 garLoopResultBuilder]: For program point L2498(lines 2498 2499) no Hoare annotation was computed. [2021-11-03 05:49:05,994 INFO L857 garLoopResultBuilder]: For program point L2498-2(lines 2498 2499) no Hoare annotation was computed. [2021-11-03 05:49:05,994 INFO L857 garLoopResultBuilder]: For program point L2498-1(lines 2498 2499) no Hoare annotation was computed. [2021-11-03 05:49:05,994 INFO L853 garLoopResultBuilder]: At program point L10130(lines 10119 10131) the Hoare annotation is: false [2021-11-03 05:49:05,995 INFO L853 garLoopResultBuilder]: At program point L9189(lines 9171 9190) the Hoare annotation is: false [2021-11-03 05:49:05,995 INFO L860 garLoopResultBuilder]: At program point L10147(line 10147) the Hoare annotation is: true [2021-11-03 05:49:05,995 INFO L857 garLoopResultBuilder]: For program point L9173(lines 9173 9177) no Hoare annotation was computed. [2021-11-03 05:49:05,995 INFO L853 garLoopResultBuilder]: At program point L2501-1(lines 2497 2502) the Hoare annotation is: false [2021-11-03 05:49:05,995 INFO L857 garLoopResultBuilder]: For program point L7010(lines 7010 7014) no Hoare annotation was computed. [2021-11-03 05:49:05,995 INFO L853 garLoopResultBuilder]: At program point L2501(lines 2497 2502) the Hoare annotation is: false [2021-11-03 05:49:05,995 INFO L857 garLoopResultBuilder]: For program point L9256(lines 9256 9258) no Hoare annotation was computed. [2021-11-03 05:49:05,995 INFO L853 garLoopResultBuilder]: At program point L2501-2(lines 2497 2502) the Hoare annotation is: false [2021-11-03 05:49:05,996 INFO L853 garLoopResultBuilder]: At program point L255(lines 253 256) the Hoare annotation is: false [2021-11-03 05:49:05,996 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 253 256) the Hoare annotation is: false [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 224) no Hoare annotation was computed. [2021-11-03 05:49:05,996 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 253 256) the Hoare annotation is: false [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point L222-1(lines 222 224) no Hoare annotation was computed. [2021-11-03 05:49:05,996 INFO L853 garLoopResultBuilder]: At program point L2617(lines 2613 2621) the Hoare annotation is: false [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point L10132(lines 10132 10146) no Hoare annotation was computed. [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2021-11-03 05:49:05,996 INFO L857 garLoopResultBuilder]: For program point L223-1(line 223) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L223-3(line 223) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L223-4(line 223) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L10019(lines 10019 10023) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L10019-1(lines 10019 10023) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L9210(lines 9210 9212) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L9210-2(lines 9210 9212) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L853 garLoopResultBuilder]: At program point L9260-2(line 9260) the Hoare annotation is: false [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L9260-3(line 9260) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 05:49:05,997 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-2(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-3(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L2638(lines 2638 2641) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-4(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-5(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-6(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-7(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-8(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,998 INFO L857 garLoopResultBuilder]: For program point L210-9(lines 210 212) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L9196(lines 9196 9198) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-4(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L9196-2(lines 9196 9198) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-6(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-8(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-10(line 211) no Hoare annotation was computed. [2021-11-03 05:49:05,999 INFO L857 garLoopResultBuilder]: For program point L211-12(line 211) no Hoare annotation was computed. [2021-11-03 05:49:06,000 INFO L857 garLoopResultBuilder]: For program point L211-14(line 211) no Hoare annotation was computed. [2021-11-03 05:49:06,000 INFO L853 garLoopResultBuilder]: At program point L261(line 261) the Hoare annotation is: false [2021-11-03 05:49:06,000 INFO L857 garLoopResultBuilder]: For program point L211-16(line 211) no Hoare annotation was computed. [2021-11-03 05:49:06,000 INFO L857 garLoopResultBuilder]: For program point L211-18(line 211) no Hoare annotation was computed. [2021-11-03 05:49:06,000 INFO L853 garLoopResultBuilder]: At program point L2590(lines 2586 2594) the Hoare annotation is: false [2021-11-03 05:49:06,000 INFO L853 garLoopResultBuilder]: At program point L2590-2(lines 2586 2594) the Hoare annotation is: false [2021-11-03 05:49:06,000 INFO L853 garLoopResultBuilder]: At program point L2590-1(lines 2586 2594) the Hoare annotation is: false [2021-11-03 05:49:06,000 INFO L857 garLoopResultBuilder]: For program point L10122(lines 10122 10124) no Hoare annotation was computed. [2021-11-03 05:49:06,000 INFO L853 garLoopResultBuilder]: At program point L6951-1(lines 6950 6952) the Hoare annotation is: false [2021-11-03 05:49:06,001 INFO L860 garLoopResultBuilder]: At program point L6951(lines 6950 6952) the Hoare annotation is: true [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L7017-2(lines 7017 7019) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L7017(lines 7017 7019) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L853 garLoopResultBuilder]: At program point L2657(lines 2637 2658) the Hoare annotation is: (and (= (bvadd |ULTIMATE.start_aws_round_up_to_power_of_two_#res| (_ bv1 32)) (_ bv0 32)) (not (bvslt ULTIMATE.start_s_update_template_size_~min_size~0 (_ bv2 64))) (= (bvadd |ULTIMATE.start_aws_raise_error_#res| (_ bv1 32)) (_ bv0 32)) (not (bvslt ULTIMATE.start_aws_round_up_to_power_of_two_~n (_ bv2 64)))) [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L2542(lines 2542 2543) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L9182(lines 9182 9186) no Hoare annotation was computed. [2021-11-03 05:49:06,001 INFO L857 garLoopResultBuilder]: For program point L10008-3(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 223) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point L10008-5(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L853 garLoopResultBuilder]: At program point L10008-6(lines 10006 10009) the Hoare annotation is: false [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point L10008(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point L2642(lines 2642 2644) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point L10008-2(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L857 garLoopResultBuilder]: For program point L10008-12(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,002 INFO L853 garLoopResultBuilder]: At program point L10008-13(lines 10006 10009) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998(lines 1988 1999) the Hoare annotation is: (and (not (bvslt ULTIMATE.start_s_update_template_size_~min_size~0 (_ bv2 64))) (= (bvadd |ULTIMATE.start_aws_raise_error_#res| (_ bv1 32)) (_ bv0 32)) (not (bvslt ULTIMATE.start_aws_round_up_to_power_of_two_~n (_ bv2 64)))) [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998-1(lines 1988 1999) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L6986(lines 6984 6987) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L857 garLoopResultBuilder]: For program point L10008-7(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998-2(lines 1988 1999) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998-3(lines 1988 1999) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L857 garLoopResultBuilder]: For program point L10008-9(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998-4(lines 1988 1999) the Hoare annotation is: false [2021-11-03 05:49:06,003 INFO L857 garLoopResultBuilder]: For program point L10008-10(line 10008) no Hoare annotation was computed. [2021-11-03 05:49:06,003 INFO L853 garLoopResultBuilder]: At program point L1998-5(lines 1988 1999) the Hoare annotation is: false [2021-11-03 05:49:06,004 INFO L853 garLoopResultBuilder]: At program point L7020(lines 7001 7021) the Hoare annotation is: false [2021-11-03 05:49:06,004 INFO L853 garLoopResultBuilder]: At program point L9217(lines 9193 9218) the Hoare annotation is: (and (not (bvslt ULTIMATE.start_s_update_template_size_~min_size~0 (_ bv2 64))) (= (_ bv0 32) (bvadd |ULTIMATE.start_s_update_template_size_#res| (_ bv1 32))) (not (bvslt ULTIMATE.start_aws_round_up_to_power_of_two_~n (_ bv2 64)))) [2021-11-03 05:49:06,004 INFO L853 garLoopResultBuilder]: At program point L2545(lines 2541 2546) the Hoare annotation is: false [2021-11-03 05:49:06,004 INFO L857 garLoopResultBuilder]: For program point L6955(lines 6955 6957) no Hoare annotation was computed. [2021-11-03 05:49:06,004 INFO L857 garLoopResultBuilder]: For program point L10126(lines 10126 10128) no Hoare annotation was computed. [2021-11-03 05:49:06,004 INFO L857 garLoopResultBuilder]: For program point L9251(lines 9251 9253) no Hoare annotation was computed. [2021-11-03 05:49:06,007 INFO L853 garLoopResultBuilder]: At program point L6955-3(lines 6954 6958) the Hoare annotation is: false [2021-11-03 05:49:06,007 INFO L857 garLoopResultBuilder]: For program point L6955-2(lines 6955 6957) no Hoare annotation was computed. [2021-11-03 05:49:06,010 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-03 05:49:06,012 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 05:49:06,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:49:06 BoogieIcfgContainer [2021-11-03 05:49:06,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 05:49:06,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 05:49:06,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 05:49:06,026 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 05:49:06,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:48:29" (3/4) ... [2021-11-03 05:49:06,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 05:49:06,053 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2021-11-03 05:49:06,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2021-11-03 05:49:06,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2021-11-03 05:49:06,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-03 05:49:06,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-03 05:49:06,063 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-03 05:49:06,065 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-03 05:49:06,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 05:49:06,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~bvadd16(\result, 1bv32) == 0bv32 && !~bvslt64(min_size, 2bv64)) && ~bvadd16(\result, 1bv32) == 0bv32) && !~bvslt64(n, 2bv64) [2021-11-03 05:49:06,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!~bvslt64(min_size, 2bv64) && 0bv32 == ~bvadd16(\result, 1bv32)) && !~bvslt64(n, 2bv64) [2021-11-03 05:49:06,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!~bvslt64(min_size, 2bv64) && ~bvadd16(\result, 1bv32) == 0bv32) && !~bvslt64(n, 2bv64) [2021-11-03 05:49:06,096 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~bvadd16(\result, 1bv32) == 0bv32 && !~bvslt64(min_size, 2bv64)) && !~bvslt64(n, 2bv64) [2021-11-03 05:49:07,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 05:49:07,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 05:49:07,301 INFO L168 Benchmark]: Toolchain (without parser) took 63659.47 ms. Allocated memory was 65.0 MB in the beginning and 694.2 MB in the end (delta: 629.1 MB). Free memory was 34.6 MB in the beginning and 362.9 MB in the end (delta: -328.3 MB). Peak memory consumption was 472.2 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,301 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:49:07,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4390.68 ms. Allocated memory was 65.0 MB in the beginning and 203.4 MB in the end (delta: 138.4 MB). Free memory was 34.3 MB in the beginning and 127.7 MB in the end (delta: -93.4 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 233.29 ms. Allocated memory is still 203.4 MB. Free memory was 127.7 MB in the beginning and 115.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,302 INFO L168 Benchmark]: Boogie Preprocessor took 169.44 ms. Allocated memory is still 203.4 MB. Free memory was 115.1 MB in the beginning and 104.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,303 INFO L168 Benchmark]: RCFGBuilder took 20981.45 ms. Allocated memory was 203.4 MB in the beginning and 694.2 MB in the end (delta: 490.7 MB). Free memory was 104.7 MB in the beginning and 266.0 MB in the end (delta: -161.3 MB). Peak memory consumption was 333.6 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,303 INFO L168 Benchmark]: TraceAbstraction took 36604.75 ms. Allocated memory is still 694.2 MB. Free memory was 264.9 MB in the beginning and 318.1 MB in the end (delta: -53.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 05:49:07,303 INFO L168 Benchmark]: Witness Printer took 1273.30 ms. Allocated memory is still 694.2 MB. Free memory was 318.1 MB in the beginning and 362.9 MB in the end (delta: -44.8 MB). Peak memory consumption was 125.0 MB. Max. memory is 16.1 GB. [2021-11-03 05:49:07,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 65.0 MB. Free memory was 46.3 MB in the beginning and 46.2 MB in the end (delta: 50.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4390.68 ms. Allocated memory was 65.0 MB in the beginning and 203.4 MB in the end (delta: 138.4 MB). Free memory was 34.3 MB in the beginning and 127.7 MB in the end (delta: -93.4 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 233.29 ms. Allocated memory is still 203.4 MB. Free memory was 127.7 MB in the beginning and 115.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 169.44 ms. Allocated memory is still 203.4 MB. Free memory was 115.1 MB in the beginning and 104.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 20981.45 ms. Allocated memory was 203.4 MB in the beginning and 694.2 MB in the end (delta: 490.7 MB). Free memory was 104.7 MB in the beginning and 266.0 MB in the end (delta: -161.3 MB). Peak memory consumption was 333.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 36604.75 ms. Allocated memory is still 694.2 MB. Free memory was 264.9 MB in the beginning and 318.1 MB in the end (delta: -53.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 1273.30 ms. Allocated memory is still 694.2 MB. Free memory was 318.1 MB in the beginning and 362.9 MB in the end (delta: -44.8 MB). Peak memory consumption was 125.0 MB. 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 - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 223]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 36.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 760 SDtfs, 773 SDslu, 889 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 423 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 6 MinimizatonAttempts, 90 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 38 PreInvPairs, 43 NumberOfFragments, 95 HoareAnnotationTreeSize, 38 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 68 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 20.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 490 SizeOfPredicates, 9 NumberOfNonLiveVariables, 9219 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 9171]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 7001]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10017]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10017]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2637]: Loop Invariant Derived loop invariant: ((~bvadd16(\result, 1bv32) == 0bv32 && !~bvslt64(min_size, 2bv64)) && ~bvadd16(\result, 1bv32) == 0bv32) && !~bvslt64(n, 2bv64) - InvariantResult [Line: 10119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: (!~bvslt64(min_size, 2bv64) && ~bvadd16(\result, 1bv32) == 0bv32) && !~bvslt64(n, 2bv64) - InvariantResult [Line: 9260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6950]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10006]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6954]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6934]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 10006]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9193]: Loop Invariant Derived loop invariant: (!~bvslt64(min_size, 2bv64) && 0bv32 == ~bvadd16(\result, 1bv32)) && !~bvslt64(n, 2bv64) - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1988]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 9220]: Loop Invariant Derived loop invariant: (~bvadd16(\result, 1bv32) == 0bv32 && !~bvslt64(min_size, 2bv64)) && !~bvslt64(n, 2bv64) - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 6984]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-03 05:49:07,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cfd8374-3ea3-4254-a33d-9de1b49943c0/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: TRUE