./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_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_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/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_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/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_2f42a839-b239-416c-9354-21ac0d32c48d/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 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:29:46,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:29:46,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:29:46,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:29:46,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:29:46,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:29:46,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:29:46,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:29:46,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:29:46,129 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:29:46,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:29:46,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:29:46,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:29:46,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:29:46,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:29:46,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:29:46,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:29:46,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:29:46,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:29:46,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:29:46,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:29:46,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:29:46,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:29:46,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:29:46,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:29:46,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:29:46,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:29:46,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:29:46,177 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:29:46,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:29:46,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:29:46,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:29:46,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:29:46,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:29:46,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:29:46,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:29:46,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:29:46,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:29:46,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:29:46,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:29:46,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:29:46,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 04:29:46,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:29:46,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:29:46,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:29:46,225 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:29:46,225 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:29:46,226 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:29:46,226 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:29:46,226 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:29:46,226 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:29:46,227 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:29:46,227 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:29:46,227 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:29:46,227 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:29:46,227 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:29:46,228 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:29:46,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:29:46,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:29:46,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:29:46,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:29:46,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:29:46,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:29:46,230 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:29:46,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:29:46,230 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:29:46,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:29:46,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:29:46,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:29:46,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:29:46,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:29:46,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:29:46,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:29:46,232 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:29:46,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:29:46,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:29:46,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:29:46,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:29:46,233 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_2f42a839-b239-416c-9354-21ac0d32c48d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2021-11-03 04:29:46,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:29:46,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:29:46,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:29:46,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:29:46,540 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:29:46,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-03 04:29:46,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/afd0d85f8/3c309c0150fd45669929014043ad0c14/FLAG52d565bce [2021-11-03 04:29:47,442 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:29:47,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-03 04:29:47,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/afd0d85f8/3c309c0150fd45669929014043ad0c14/FLAG52d565bce [2021-11-03 04:29:47,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/afd0d85f8/3c309c0150fd45669929014043ad0c14 [2021-11-03 04:29:47,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:29:47,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:29:47,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:29:47,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:29:47,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:29:47,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:29:47" (1/1) ... [2021-11-03 04:29:47,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c95b8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:47, skipping insertion in model container [2021-11-03 04:29:47,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:29:47" (1/1) ... [2021-11-03 04:29:47,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:29:48,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:29:48,425 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-03 04:29:48,434 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-03 04:29:48,460 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:29:48,468 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:29:49,417 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,418 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,419 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,420 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,433 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,434 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,435 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,436 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,438 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,439 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,439 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,440 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:49,891 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:29:49,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:29:49,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:29:49,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:29:49,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:29:49,905 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:29:49,907 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:29:49,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:29:49,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:29:49,912 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:29:50,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:29:50,140 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:29:50,145 INFO L168 Benchmark]: Toolchain (without parser) took 2204.30 ms. Allocated memory is still 125.8 MB. Free memory was 80.0 MB in the beginning and 60.8 MB in the end (delta: 19.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:29:50,146 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:29:50,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2201.83 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 60.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:29:50,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 92.3 MB. Free memory was 66.1 MB in the beginning and 66.1 MB in the end (delta: 26.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2201.83 ms. Allocated memory is still 125.8 MB. Free memory was 79.7 MB in the beginning and 60.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: IllegalArgumentException: byte size smaller than 1 makes no sense de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: IllegalArgumentException: byte size smaller than 1 makes no sense: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.preferences.CACSLPreferenceInitializer$MemoryModel.getPreciseEnoughMemoryModelFor(CACSLPreferenceInitializer.java:194) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/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_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/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_2f42a839-b239-416c-9354-21ac0d32c48d/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 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:29:52,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:29:52,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:29:52,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:29:52,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:29:52,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:29:52,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:29:52,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:29:52,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:29:52,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:29:52,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:29:52,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:29:52,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:29:52,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:29:52,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:29:52,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:29:52,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:29:52,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:29:52,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:29:52,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:29:52,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:29:52,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:29:52,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:29:52,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:29:52,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:29:52,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:29:52,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:29:52,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:29:52,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:29:52,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:29:52,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:29:52,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:29:52,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:29:52,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:29:52,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:29:52,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:29:52,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:29:52,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:29:52,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:29:52,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:29:52,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:29:52,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 04:29:52,473 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:29:52,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:29:52,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:29:52,475 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:29:52,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:29:52,476 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:29:52,476 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:29:52,476 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:29:52,476 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:29:52,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:29:52,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:29:52,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:29:52,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:29:52,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:29:52,479 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:29:52,480 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:29:52,480 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:29:52,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:29:52,480 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:29:52,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:29:52,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:29:52,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:29:52,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:29:52,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:29:52,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:29:52,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:29:52,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:29:52,482 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:29:52,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:29:52,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:29:52,483 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:29:52,483 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:29:52,483 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_2f42a839-b239-416c-9354-21ac0d32c48d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 846a565d6a742f245ca362c4e2fb63bb4d14b5e5473527f5da84e078cffb2df4 [2021-11-03 04:29:52,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:29:52,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:29:52,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:29:52,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:29:52,874 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:29:52,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-03 04:29:52,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/c95136b5a/ca3c436dd9c64fa5beb6754b750a735f/FLAG4a8076605 [2021-11-03 04:29:53,812 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:29:53,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i [2021-11-03 04:29:53,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/c95136b5a/ca3c436dd9c64fa5beb6754b750a735f/FLAG4a8076605 [2021-11-03 04:29:54,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/data/c95136b5a/ca3c436dd9c64fa5beb6754b750a735f [2021-11-03 04:29:54,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:29:54,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:29:54,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:29:54,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:29:54,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:29:54,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:29:54" (1/1) ... [2021-11-03 04:29:54,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c51c63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:54, skipping insertion in model container [2021-11-03 04:29:54,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:29:54" (1/1) ... [2021-11-03 04:29:54,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:29:54,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:29:54,763 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-03 04:29:54,772 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-03 04:29:54,805 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:29:54,820 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:29:55,887 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,888 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,889 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,890 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,891 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,919 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,921 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,923 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,925 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,928 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,930 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,932 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:55,932 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:56,420 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:29:56,426 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:29:56,428 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:29:56,430 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:29:56,431 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:29:56,432 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:29:56,433 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:29:56,434 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:29:56,435 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:29:56,449 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:29:56,625 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:29:57,023 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,024 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,059 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,060 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,066 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,067 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,086 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,088 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,088 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,089 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,090 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:29:57,181 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 04:29:57,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:29:57,251 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-03 04:29:57,252 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-03 04:29:57,257 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:29:57,258 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:29:57,308 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,308 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,309 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,309 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,310 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,319 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,320 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,321 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,322 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,323 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,362 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:29:57,362 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:29:57,363 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:29:57,364 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:29:57,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:29:57,368 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:29:57,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:29:57,369 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:29:57,370 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:29:57,371 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:29:57,398 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:29:57,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,545 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,553 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,554 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,556 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,557 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,570 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,571 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,572 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,588 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:29:57,651 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:29:57,676 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4504,4517] [2021-11-03 04:29:57,677 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_2f42a839-b239-416c-9354-21ac0d32c48d/sv-benchmarks/c/aws-c-common/aws_hash_table_get_entry_count_harness.i[4564,4577] [2021-11-03 04:29:57,678 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2021-11-03 04:29:57,680 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2021-11-03 04:29:57,718 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,719 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,720 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,726 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,727 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,729 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,729 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,731 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,732 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,733 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,763 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-03 04:29:57,764 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-03 04:29:57,765 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-03 04:29:57,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-03 04:29:57,766 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-03 04:29:57,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-03 04:29:57,767 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-03 04:29:57,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-03 04:29:57,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-03 04:29:57,768 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-03 04:29:57,789 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-03 04:29:57,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,915 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,929 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,929 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,933 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,933 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,978 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,979 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,980 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:57,981 WARN L1529 CHandler]: Possible shadowing of function index [2021-11-03 04:29:58,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:29:58,558 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:29:58,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58 WrapperNode [2021-11-03 04:29:58,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:29:58,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:29:58,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:29:58,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:29:58,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:29:58,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:29:58,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:29:58,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:29:58,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:29:58,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:29:58,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:29:58,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:29:58,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (1/1) ... [2021-11-03 04:29:58,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:29:58,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:29:58,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:29:59,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:29:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-03 04:29:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 04:29:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 04:29:59,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:29:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:29:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2021-11-03 04:29:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:29:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2021-11-03 04:29:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 04:29:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 04:30:12,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:30:12,122 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-03 04:30:12,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:30:12 BoogieIcfgContainer [2021-11-03 04:30:12,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:30:12,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:30:12,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:30:12,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:30:12,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:29:54" (1/3) ... [2021-11-03 04:30:12,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5679c67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:30:12, skipping insertion in model container [2021-11-03 04:30:12,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:29:58" (2/3) ... [2021-11-03 04:30:12,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5679c67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:30:12, skipping insertion in model container [2021-11-03 04:30:12,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:30:12" (3/3) ... [2021-11-03 04:30:12,138 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_hash_table_get_entry_count_harness.i [2021-11-03 04:30:12,143 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:30:12,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-03 04:30:12,202 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:30:12,221 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 04:30:12,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-03 04:30:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 87 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:30:12,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:12,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:12,250 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:12,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2070018022, now seen corresponding path program 1 times [2021-11-03 04:30:12,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:12,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586108218] [2021-11-03 04:30:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:12,281 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:12,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:12,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:12,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:30:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:16,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:30:16,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:16,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:16,863 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:16,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [586108218] [2021-11-03 04:30:16,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [586108218] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:16,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:16,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:30:16,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848163462] [2021-11-03 04:30:16,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:30:16,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:16,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:30:16,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:30:16,885 INFO L87 Difference]: Start difference. First operand has 88 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 87 states have internal predecessors, (112), 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 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:16,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:16,907 INFO L93 Difference]: Finished difference Result 172 states and 219 transitions. [2021-11-03 04:30:16,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:30:16,909 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-03 04:30:16,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:16,917 INFO L225 Difference]: With dead ends: 172 [2021-11-03 04:30:16,917 INFO L226 Difference]: Without dead ends: 82 [2021-11-03 04:30:16,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:30:16,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-03 04:30:16,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-03 04:30:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.2151898734177216) internal successors, (96), 81 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:16,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2021-11-03 04:30:16,954 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 41 [2021-11-03 04:30:16,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:16,955 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-11-03 04:30:16,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2021-11-03 04:30:16,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-03 04:30:16,957 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:16,957 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:16,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-11-03 04:30:17,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:17,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:17,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash 584946138, now seen corresponding path program 1 times [2021-11-03 04:30:17,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:17,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003299038] [2021-11-03 04:30:17,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:17,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:17,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:17,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:17,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:30:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:21,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 04:30:21,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:21,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:21,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:21,533 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:21,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003299038] [2021-11-03 04:30:21,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003299038] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:21,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:21,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 04:30:21,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896858255] [2021-11-03 04:30:21,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:30:21,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:30:21,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:21,537 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:21,838 INFO L93 Difference]: Finished difference Result 208 states and 244 transitions. [2021-11-03 04:30:21,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 04:30:21,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-03 04:30:21,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:21,849 INFO L225 Difference]: With dead ends: 208 [2021-11-03 04:30:21,849 INFO L226 Difference]: Without dead ends: 148 [2021-11-03 04:30:21,850 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:30:21,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-11-03 04:30:21,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 88. [2021-11-03 04:30:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 85 states have (on average 1.2) internal successors, (102), 87 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 102 transitions. [2021-11-03 04:30:21,872 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 102 transitions. Word has length 41 [2021-11-03 04:30:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:21,872 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 102 transitions. [2021-11-03 04:30:21,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2021-11-03 04:30:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-03 04:30:21,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:21,874 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:21,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:30:22,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:22,080 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:22,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:22,081 INFO L85 PathProgramCache]: Analyzing trace with hash 976385498, now seen corresponding path program 1 times [2021-11-03 04:30:22,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:22,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536684391] [2021-11-03 04:30:22,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:22,085 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:22,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:22,092 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:30:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:25,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:30:25,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:25,977 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:26,171 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 04:30:26,172 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:26,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536684391] [2021-11-03 04:30:26,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536684391] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:26,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:26,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-03 04:30:26,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878937949] [2021-11-03 04:30:26,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 04:30:26,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 04:30:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:26,174 INFO L87 Difference]: Start difference. First operand 88 states and 102 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:26,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:26,370 INFO L93 Difference]: Finished difference Result 153 states and 177 transitions. [2021-11-03 04:30:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:26,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 45 [2021-11-03 04:30:26,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:26,372 INFO L225 Difference]: With dead ends: 153 [2021-11-03 04:30:26,372 INFO L226 Difference]: Without dead ends: 88 [2021-11-03 04:30:26,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-03 04:30:26,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-03 04:30:26,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2021-11-03 04:30:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2021-11-03 04:30:26,380 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 45 [2021-11-03 04:30:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:26,381 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2021-11-03 04:30:26,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2021-11-03 04:30:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 04:30:26,383 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:26,383 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:26,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-03 04:30:26,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:26,588 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:26,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash 2134770700, now seen corresponding path program 1 times [2021-11-03 04:30:26,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:26,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318605903] [2021-11-03 04:30:26,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:26,592 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:26,593 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:26,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 04:30:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:30,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:30:30,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:31,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:30:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:31,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:31,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-03 04:30:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:31,931 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:31,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318605903] [2021-11-03 04:30:31,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318605903] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:31,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:31,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2021-11-03 04:30:31,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879401283] [2021-11-03 04:30:31,932 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 04:30:31,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 04:30:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-03 04:30:31,933 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:38,203 INFO L93 Difference]: Finished difference Result 178 states and 201 transitions. [2021-11-03 04:30:38,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:30:38,205 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 04:30:38,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:38,207 INFO L225 Difference]: With dead ends: 178 [2021-11-03 04:30:38,207 INFO L226 Difference]: Without dead ends: 131 [2021-11-03 04:30:38,207 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-03 04:30:38,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-11-03 04:30:38,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 106. [2021-11-03 04:30:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 103 states have (on average 1.1650485436893203) internal successors, (120), 105 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 120 transitions. [2021-11-03 04:30:38,223 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 120 transitions. Word has length 51 [2021-11-03 04:30:38,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:38,224 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 120 transitions. [2021-11-03 04:30:38,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 120 transitions. [2021-11-03 04:30:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 04:30:38,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:38,225 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:38,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 04:30:38,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:38,440 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:38,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:38,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2098156982, now seen corresponding path program 1 times [2021-11-03 04:30:38,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:38,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058930136] [2021-11-03 04:30:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:38,444 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:38,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:38,446 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:38,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 04:30:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:42,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1668 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-03 04:30:42,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:43,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:43,308 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:43,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058930136] [2021-11-03 04:30:43,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058930136] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:43,308 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:43,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 04:30:43,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619871557] [2021-11-03 04:30:43,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 04:30:43,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:43,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 04:30:43,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 04:30:43,310 INFO L87 Difference]: Start difference. First operand 106 states and 120 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:43,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:43,467 INFO L93 Difference]: Finished difference Result 178 states and 202 transitions. [2021-11-03 04:30:43,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 04:30:43,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 04:30:43,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:43,471 INFO L225 Difference]: With dead ends: 178 [2021-11-03 04:30:43,471 INFO L226 Difference]: Without dead ends: 104 [2021-11-03 04:30:43,471 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 04:30:43,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-03 04:30:43,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-03 04:30:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 101 states have (on average 1.1287128712871286) internal successors, (114), 103 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 114 transitions. [2021-11-03 04:30:43,482 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 114 transitions. Word has length 51 [2021-11-03 04:30:43,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:43,483 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 114 transitions. [2021-11-03 04:30:43,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2021-11-03 04:30:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-03 04:30:43,485 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:43,485 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:43,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 04:30:43,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:43,708 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:43,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:43,709 INFO L85 PathProgramCache]: Analyzing trace with hash 997174929, now seen corresponding path program 1 times [2021-11-03 04:30:43,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:43,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926520670] [2021-11-03 04:30:43,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:43,711 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:43,712 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:43,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 04:30:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:30:47,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1682 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-03 04:30:47,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:30:48,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-03 04:30:48,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-11-03 04:30:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:48,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:30:48,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2021-11-03 04:30:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:30:49,006 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:30:49,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926520670] [2021-11-03 04:30:49,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [926520670] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:30:49,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:30:49,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-03 04:30:49,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155257925] [2021-11-03 04:30:49,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 04:30:49,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:30:49,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 04:30:49,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-03 04:30:49,008 INFO L87 Difference]: Start difference. First operand 104 states and 114 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:54,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:30:54,791 INFO L93 Difference]: Finished difference Result 198 states and 213 transitions. [2021-11-03 04:30:54,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-03 04:30:54,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 53 [2021-11-03 04:30:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:30:54,794 INFO L225 Difference]: With dead ends: 198 [2021-11-03 04:30:54,794 INFO L226 Difference]: Without dead ends: 128 [2021-11-03 04:30:54,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-03 04:30:54,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-03 04:30:54,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 105. [2021-11-03 04:30:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 102 states have (on average 1.1176470588235294) internal successors, (114), 104 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2021-11-03 04:30:54,806 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 53 [2021-11-03 04:30:54,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:30:54,807 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2021-11-03 04:30:54,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 04:30:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2021-11-03 04:30:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-03 04:30:54,808 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:30:54,809 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:30:54,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 04:30:55,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:30:55,028 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:30:55,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:30:55,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1407256250, now seen corresponding path program 1 times [2021-11-03 04:30:55,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:30:55,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033431836] [2021-11-03 04:30:55,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:30:55,031 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:30:55,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:30:55,032 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:30:55,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f42a839-b239-416c-9354-21ac0d32c48d/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 04:31:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:31:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1695 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-03 04:31:15,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:31:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:16,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 105 [2021-11-03 04:31:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 04:31:18,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 04:31:18,799 INFO L354 Elim1Store]: treesize reduction 232, result has 27.7 percent of original size [2021-11-03 04:31:18,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 49 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 529 treesize of output 353 [2021-11-03 04:31:20,053 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 04:31:20,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 503 treesize of output 407 [2021-11-03 04:31:20,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:31:20,269 INFO L328 TraceCheckSpWp]: Computing backward predicates...