./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI --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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:33:18,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:33:18,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:33:18,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:33:18,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:33:18,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:33:18,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:33:18,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:33:18,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:33:18,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:33:18,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:33:18,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:33:18,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:33:18,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:33:18,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:33:18,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:33:18,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:33:18,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:33:18,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:33:18,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:33:18,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:33:18,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:33:18,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:33:18,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:33:18,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:33:18,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:33:18,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:33:18,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:33:18,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:33:18,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:33:18,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:33:18,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:33:18,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:33:18,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:33:18,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:33:18,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:33:18,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:33:18,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:33:18,701 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:33:18,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:33:18,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:33:18,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:33:18,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:33:18,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:33:18,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:33:18,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:33:18,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:33:18,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:33:18,736 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:33:18,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:33:18,736 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:33:18,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:33:18,736 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:33:18,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:33:18,737 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:33:18,737 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:33:18,737 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:33:18,737 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:33:18,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:33:18,738 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:33:18,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:33:18,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:33:18,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:33:18,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:33:18,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:33:18,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:33:18,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:18,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:33:18,741 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:33:18,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:33:18,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:33:18,741 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:33:18,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:33:18,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:33:18,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:33:18,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-11-03 02:33:19,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:33:19,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:33:19,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:33:19,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:33:19,056 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:33:19,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:33:19,136 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/3f02eab4a/8330d6889d3c480888d827eea141d000/FLAG3269163cd [2022-11-03 02:33:20,068 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:33:20,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:33:20,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/3f02eab4a/8330d6889d3c480888d827eea141d000/FLAG3269163cd [2022-11-03 02:33:20,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/3f02eab4a/8330d6889d3c480888d827eea141d000 [2022-11-03 02:33:20,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:33:20,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:33:20,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:20,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:33:20,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:33:20,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:20" (1/1) ... [2022-11-03 02:33:20,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d93e3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:20, skipping insertion in model container [2022-11-03 02:33:20,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:33:20" (1/1) ... [2022-11-03 02:33:20,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:33:20,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:33:22,334 WARN L230 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_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-03 02:33:24,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:24,552 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:33:24,678 WARN L230 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_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-03 02:33:25,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:33:25,542 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:33:25,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25 WrapperNode [2022-11-03 02:33:25,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:33:25,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:25,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:33:25,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:33:25,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:25,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:25,916 INFO L138 Inliner]: procedures = 449, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6344 [2022-11-03 02:33:25,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:33:25,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:33:25,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:33:25,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:33:25,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:25,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:25,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:25,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:33:26,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:33:26,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:33:26,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:33:26,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (1/1) ... [2022-11-03 02:33:26,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:33:26,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:33:26,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:33:26,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:33:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:33:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:33:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-03 02:33:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-03 02:33:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-03 02:33:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-03 02:33:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-03 02:33:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-03 02:33:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-03 02:33:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-03 02:33:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-03 02:33:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-03 02:33:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 02:33:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 02:33:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:33:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:33:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-03 02:33:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-03 02:33:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-03 02:33:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-03 02:33:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-03 02:33:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-03 02:33:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 02:33:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 02:33:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-03 02:33:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-03 02:33:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 02:33:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 02:33:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:33:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:33:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:33:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:33:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-03 02:33:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-03 02:33:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-03 02:33:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-03 02:33:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-03 02:33:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-03 02:33:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-03 02:33:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-03 02:33:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-03 02:33:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-03 02:33:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-03 02:33:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-03 02:33:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:33:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:33:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-03 02:33:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-03 02:33:26,439 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 02:33:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 02:33:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-03 02:33:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-03 02:33:26,440 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-03 02:33:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-03 02:33:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-03 02:33:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-03 02:33:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-03 02:33:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-03 02:33:26,441 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-03 02:33:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-03 02:33:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-03 02:33:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-03 02:33:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:33:26,442 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-03 02:33:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-03 02:33:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-03 02:33:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-03 02:33:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-03 02:33:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-03 02:33:26,443 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-03 02:33:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-03 02:33:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-03 02:33:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-03 02:33:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:33:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:33:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-03 02:33:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-03 02:33:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:33:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:33:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-03 02:33:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-03 02:33:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-03 02:33:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-03 02:33:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-03 02:33:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-03 02:33:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:33:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:33:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-03 02:33:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-03 02:33:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:33:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-03 02:33:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-03 02:33:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-03 02:33:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-03 02:33:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-03 02:33:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-03 02:33:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-03 02:33:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-03 02:33:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-03 02:33:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-03 02:33:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:33:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-03 02:33:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-03 02:33:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-03 02:33:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-03 02:33:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:33:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-03 02:33:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-03 02:33:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-03 02:33:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-03 02:33:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:33:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:33:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-03 02:33:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-03 02:33:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-03 02:33:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-03 02:33:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-03 02:33:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-03 02:33:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 02:33:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 02:33:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-03 02:33:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-03 02:33:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 02:33:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 02:33:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:33:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:33:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-03 02:33:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-03 02:33:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-03 02:33:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-03 02:33:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-03 02:33:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-03 02:33:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-03 02:33:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-03 02:33:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-03 02:33:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-03 02:33:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:33:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 02:33:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 02:33:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:33:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:33:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:33:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:33:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-03 02:33:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-03 02:33:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:33:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:33:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-03 02:33:26,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-03 02:33:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:33:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:33:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:33:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:33:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-03 02:33:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-03 02:33:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:33:26,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:33:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-03 02:33:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-03 02:33:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-03 02:33:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-03 02:33:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-03 02:33:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-03 02:33:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-03 02:33:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-03 02:33:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:33:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:33:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-03 02:33:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-03 02:33:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:33:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:33:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-03 02:33:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-03 02:33:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 02:33:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 02:33:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-03 02:33:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-03 02:33:26,467 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-03 02:33:26,467 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-03 02:33:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 02:33:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 02:33:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:33:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:33:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:33:26,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:33:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-03 02:33:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-03 02:33:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-03 02:33:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-03 02:33:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-03 02:33:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-03 02:33:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-03 02:33:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-03 02:33:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-03 02:33:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-03 02:33:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:33:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:33:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:33:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:33:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:33:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:33:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-03 02:33:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-03 02:33:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:33:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:33:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-03 02:33:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-03 02:33:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-03 02:33:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-03 02:33:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-03 02:33:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-03 02:33:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-03 02:33:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-03 02:33:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:33:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-03 02:33:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-03 02:33:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-03 02:33:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-03 02:33:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 02:33:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 02:33:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-03 02:33:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-03 02:33:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-03 02:33:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-03 02:33:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 02:33:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 02:33:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-03 02:33:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-03 02:33:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:33:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:33:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:33:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:33:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-03 02:33:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-03 02:33:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-11-03 02:33:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-11-03 02:33:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-03 02:33:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-03 02:33:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:33:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:33:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-03 02:33:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-03 02:33:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:33:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:33:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-03 02:33:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-03 02:33:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-03 02:33:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-03 02:33:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-03 02:33:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-03 02:33:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:33:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:33:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:33:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-03 02:33:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-03 02:33:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 02:33:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 02:33:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-03 02:33:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-03 02:33:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:33:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:33:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:33:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 02:33:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 02:33:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 02:33:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 02:33:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-03 02:33:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-03 02:33:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-03 02:33:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-03 02:33:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:33:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-03 02:33:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-03 02:33:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-03 02:33:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-03 02:33:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 02:33:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 02:33:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:33:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:33:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:33:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:33:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:33:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:33:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:33:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:33:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-03 02:33:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-03 02:33:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-03 02:33:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-03 02:33:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:33:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:33:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-03 02:33:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-03 02:33:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:33:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:33:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-03 02:33:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-03 02:33:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-03 02:33:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-03 02:33:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-03 02:33:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-03 02:33:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-03 02:33:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-03 02:33:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-03 02:33:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-03 02:33:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 02:33:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 02:33:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-03 02:33:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-03 02:33:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-03 02:33:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-03 02:33:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:33:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:33:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-03 02:33:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-03 02:33:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-03 02:33:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-03 02:33:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:33:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:33:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-03 02:33:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-03 02:33:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:33:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-03 02:33:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-03 02:33:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-03 02:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-03 02:33:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:33:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-03 02:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-03 02:33:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-03 02:33:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-03 02:33:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-03 02:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-03 02:33:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-03 02:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-03 02:33:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-03 02:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-03 02:33:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-03 02:33:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-03 02:33:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-03 02:33:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-03 02:33:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-03 02:33:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-03 02:33:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 02:33:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-03 02:33:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 02:33:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 02:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 02:33:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 02:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-03 02:33:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-03 02:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-03 02:33:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-03 02:33:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-03 02:33:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-03 02:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-03 02:33:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-03 02:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:33:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-03 02:33:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-03 02:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:33:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:33:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-03 02:33:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-03 02:33:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:33:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:33:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-03 02:33:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-03 02:33:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:33:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:33:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-03 02:33:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-03 02:33:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-03 02:33:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-03 02:33:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 02:33:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 02:33:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-03 02:33:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-03 02:33:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:33:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:33:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:33:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-03 02:33:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-03 02:33:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-03 02:33:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-03 02:33:26,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-03 02:33:26,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-03 02:33:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-03 02:33:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-03 02:33:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-03 02:33:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-03 02:33:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-03 02:33:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-03 02:33:27,692 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:33:27,697 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:33:28,061 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:33:33,446 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:33:36,046 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:33:36,046 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:33:36,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:36 BoogieIcfgContainer [2022-11-03 02:33:36,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:33:36,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:33:36,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:33:36,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:33:36,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:33:20" (1/3) ... [2022-11-03 02:33:36,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779a0212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:36, skipping insertion in model container [2022-11-03 02:33:36,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:33:25" (2/3) ... [2022-11-03 02:33:36,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@779a0212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:33:36, skipping insertion in model container [2022-11-03 02:33:36,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:33:36" (3/3) ... [2022-11-03 02:33:36,065 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:33:36,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:33:36,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:33:36,221 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:33:36,228 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@706eb0c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:33:36,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:33:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand has 2152 states, 1351 states have (on average 1.3626943005181347) internal successors, (1841), 1401 states have internal predecessors, (1841), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-11-03 02:33:36,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:33:36,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:36,276 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:36,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:36,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:36,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1188648851, now seen corresponding path program 1 times [2022-11-03 02:33:36,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:36,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724808737] [2022-11-03 02:33:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-03 02:33:37,250 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:37,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724808737] [2022-11-03 02:33:37,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724808737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:37,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:37,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:33:37,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720135591] [2022-11-03 02:33:37,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:37,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:33:37,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:37,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:33:37,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:37,291 INFO L87 Difference]: Start difference. First operand has 2152 states, 1351 states have (on average 1.3626943005181347) internal successors, (1841), 1401 states have internal predecessors, (1841), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:33:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:40,280 INFO L93 Difference]: Finished difference Result 6368 states and 9185 transitions. [2022-11-03 02:33:40,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:33:40,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 99 [2022-11-03 02:33:40,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:40,326 INFO L225 Difference]: With dead ends: 6368 [2022-11-03 02:33:40,327 INFO L226 Difference]: Without dead ends: 4219 [2022-11-03 02:33:40,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:40,345 INFO L413 NwaCegarLoop]: 3342 mSDtfsCounter, 2974 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2974 SdHoareTripleChecker+Valid, 6079 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:40,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2974 Valid, 6079 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-03 02:33:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4219 states. [2022-11-03 02:33:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4219 to 4219. [2022-11-03 02:33:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4219 states, 2658 states have (on average 1.354025583145222) internal successors, (3599), 2741 states have internal predecessors, (3599), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-03 02:33:40,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 4219 states and 5974 transitions. [2022-11-03 02:33:40,705 INFO L78 Accepts]: Start accepts. Automaton has 4219 states and 5974 transitions. Word has length 99 [2022-11-03 02:33:40,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:40,707 INFO L495 AbstractCegarLoop]: Abstraction has 4219 states and 5974 transitions. [2022-11-03 02:33:40,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:33:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 5974 transitions. [2022-11-03 02:33:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-03 02:33:40,714 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:40,715 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:40,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:33:40,716 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:40,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:40,716 INFO L85 PathProgramCache]: Analyzing trace with hash -658716546, now seen corresponding path program 1 times [2022-11-03 02:33:40,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:40,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773087923] [2022-11-03 02:33:40,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:40,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-03 02:33:41,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:41,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773087923] [2022-11-03 02:33:41,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773087923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:41,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:41,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:33:41,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599695085] [2022-11-03 02:33:41,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:41,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:33:41,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:41,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:33:41,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:33:41,343 INFO L87 Difference]: Start difference. First operand 4219 states and 5974 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 02:33:44,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:44,594 INFO L93 Difference]: Finished difference Result 8768 states and 12498 transitions. [2022-11-03 02:33:44,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:33:44,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 97 [2022-11-03 02:33:44,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:44,757 INFO L225 Difference]: With dead ends: 8768 [2022-11-03 02:33:44,757 INFO L226 Difference]: Without dead ends: 4578 [2022-11-03 02:33:44,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:44,774 INFO L413 NwaCegarLoop]: 3180 mSDtfsCounter, 3514 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3514 SdHoareTripleChecker+Valid, 6010 SdHoareTripleChecker+Invalid, 843 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:44,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3514 Valid, 6010 Invalid, 843 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 02:33:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2022-11-03 02:33:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4221. [2022-11-03 02:33:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4221 states, 2660 states have (on average 1.3533834586466165) internal successors, (3600), 2743 states have internal predecessors, (3600), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-03 02:33:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 4221 states and 5975 transitions. [2022-11-03 02:33:44,993 INFO L78 Accepts]: Start accepts. Automaton has 4221 states and 5975 transitions. Word has length 97 [2022-11-03 02:33:44,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:44,993 INFO L495 AbstractCegarLoop]: Abstraction has 4221 states and 5975 transitions. [2022-11-03 02:33:44,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 02:33:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4221 states and 5975 transitions. [2022-11-03 02:33:44,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:33:45,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:45,000 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:45,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:33:45,000 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:45,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:45,010 INFO L85 PathProgramCache]: Analyzing trace with hash 217814870, now seen corresponding path program 1 times [2022-11-03 02:33:45,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:45,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602525401] [2022-11-03 02:33:45,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:45,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-03 02:33:45,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:45,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602525401] [2022-11-03 02:33:45,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602525401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:45,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:45,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:33:45,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277768813] [2022-11-03 02:33:45,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:45,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:33:45,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:45,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:33:45,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:33:45,577 INFO L87 Difference]: Start difference. First operand 4221 states and 5975 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:33:49,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:49,090 INFO L93 Difference]: Finished difference Result 8413 states and 12043 transitions. [2022-11-03 02:33:49,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:33:49,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 100 [2022-11-03 02:33:49,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:49,156 INFO L225 Difference]: With dead ends: 8413 [2022-11-03 02:33:49,157 INFO L226 Difference]: Without dead ends: 8401 [2022-11-03 02:33:49,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:49,167 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 3000 mSDsluCounter, 6961 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 9956 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:49,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 9956 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 02:33:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8401 states. [2022-11-03 02:33:49,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8401 to 8391. [2022-11-03 02:33:49,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8391 states, 5289 states have (on average 1.3546984307052372) internal successors, (7165), 5455 states have internal predecessors, (7165), 2359 states have call successors, (2359), 743 states have call predecessors, (2359), 742 states have return successors, (2494), 2314 states have call predecessors, (2494), 2358 states have call successors, (2494) [2022-11-03 02:33:49,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8391 states to 8391 states and 12018 transitions. [2022-11-03 02:33:49,685 INFO L78 Accepts]: Start accepts. Automaton has 8391 states and 12018 transitions. Word has length 100 [2022-11-03 02:33:49,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:49,686 INFO L495 AbstractCegarLoop]: Abstraction has 8391 states and 12018 transitions. [2022-11-03 02:33:49,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:33:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 8391 states and 12018 transitions. [2022-11-03 02:33:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 02:33:49,717 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:49,717 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:49,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:33:49,718 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:49,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:49,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1554615350, now seen corresponding path program 1 times [2022-11-03 02:33:49,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:49,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739214616] [2022-11-03 02:33:49,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:49,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-11-03 02:33:50,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:50,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739214616] [2022-11-03 02:33:50,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739214616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:50,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:50,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:33:50,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458061324] [2022-11-03 02:33:50,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:50,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:33:50,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:50,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:33:50,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:50,106 INFO L87 Difference]: Start difference. First operand 8391 states and 12018 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:33:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:52,806 INFO L93 Difference]: Finished difference Result 20767 states and 29691 transitions. [2022-11-03 02:33:52,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:33:52,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 192 [2022-11-03 02:33:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:52,913 INFO L225 Difference]: With dead ends: 20767 [2022-11-03 02:33:52,913 INFO L226 Difference]: Without dead ends: 12405 [2022-11-03 02:33:52,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:52,966 INFO L413 NwaCegarLoop]: 3309 mSDtfsCounter, 2940 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2940 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:52,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2940 Valid, 5994 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 02:33:52,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12405 states. [2022-11-03 02:33:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12405 to 12391. [2022-11-03 02:33:53,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12391 states, 7809 states have (on average 1.3527980535279804) internal successors, (10564), 8045 states have internal predecessors, (10564), 3471 states have call successors, (3471), 1111 states have call predecessors, (3471), 1110 states have return successors, (3664), 3410 states have call predecessors, (3664), 3470 states have call successors, (3664) [2022-11-03 02:33:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12391 states to 12391 states and 17699 transitions. [2022-11-03 02:33:53,803 INFO L78 Accepts]: Start accepts. Automaton has 12391 states and 17699 transitions. Word has length 192 [2022-11-03 02:33:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:53,804 INFO L495 AbstractCegarLoop]: Abstraction has 12391 states and 17699 transitions. [2022-11-03 02:33:53,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:33:53,805 INFO L276 IsEmpty]: Start isEmpty. Operand 12391 states and 17699 transitions. [2022-11-03 02:33:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-11-03 02:33:53,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:53,857 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:53,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:33:53,857 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:53,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:53,858 INFO L85 PathProgramCache]: Analyzing trace with hash 356898996, now seen corresponding path program 1 times [2022-11-03 02:33:53,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:53,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574631809] [2022-11-03 02:33:53,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:53,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2022-11-03 02:33:54,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:54,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574631809] [2022-11-03 02:33:54,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574631809] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:54,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:54,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:33:54,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037650432] [2022-11-03 02:33:54,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:54,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:33:54,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:54,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:33:54,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:54,383 INFO L87 Difference]: Start difference. First operand 12391 states and 17699 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 02:33:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:33:57,644 INFO L93 Difference]: Finished difference Result 24581 states and 35035 transitions. [2022-11-03 02:33:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:33:57,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 225 [2022-11-03 02:33:57,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:33:57,720 INFO L225 Difference]: With dead ends: 24581 [2022-11-03 02:33:57,720 INFO L226 Difference]: Without dead ends: 12219 [2022-11-03 02:33:57,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:33:57,775 INFO L413 NwaCegarLoop]: 4449 mSDtfsCounter, 2460 mSDsluCounter, 2835 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 6992 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:33:57,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 6992 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-03 02:33:57,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12219 states. [2022-11-03 02:33:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12219 to 12205. [2022-11-03 02:33:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12205 states, 7704 states have (on average 1.353452751817238) internal successors, (10427), 7950 states have internal predecessors, (10427), 3372 states have call successors, (3372), 1129 states have call predecessors, (3372), 1128 states have return successors, (3562), 3307 states have call predecessors, (3562), 3371 states have call successors, (3562) [2022-11-03 02:33:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12205 states to 12205 states and 17361 transitions. [2022-11-03 02:33:58,529 INFO L78 Accepts]: Start accepts. Automaton has 12205 states and 17361 transitions. Word has length 225 [2022-11-03 02:33:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:33:58,529 INFO L495 AbstractCegarLoop]: Abstraction has 12205 states and 17361 transitions. [2022-11-03 02:33:58,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 02:33:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 12205 states and 17361 transitions. [2022-11-03 02:33:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-03 02:33:58,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:33:58,559 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:33:58,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:33:58,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:33:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:33:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1027935009, now seen corresponding path program 1 times [2022-11-03 02:33:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:33:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071535002] [2022-11-03 02:33:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:33:58,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:33:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:33:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-03 02:33:59,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:33:59,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071535002] [2022-11-03 02:33:59,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071535002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:33:59,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:33:59,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:33:59,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027815631] [2022-11-03 02:33:59,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:33:59,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:33:59,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:33:59,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:33:59,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:33:59,601 INFO L87 Difference]: Start difference. First operand 12205 states and 17361 transitions. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-03 02:34:04,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:04,403 INFO L93 Difference]: Finished difference Result 24301 states and 35128 transitions. [2022-11-03 02:34:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:34:04,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) Word has length 252 [2022-11-03 02:34:04,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:04,464 INFO L225 Difference]: With dead ends: 24301 [2022-11-03 02:34:04,464 INFO L226 Difference]: Without dead ends: 12245 [2022-11-03 02:34:04,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:34:04,510 INFO L413 NwaCegarLoop]: 2728 mSDtfsCounter, 2 mSDsluCounter, 9057 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10891 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:04,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10891 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-03 02:34:04,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12245 states. [2022-11-03 02:34:05,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12245 to 12235. [2022-11-03 02:34:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12235 states, 7725 states have (on average 1.3524919093851133) internal successors, (10448), 7974 states have internal predecessors, (10448), 3372 states have call successors, (3372), 1129 states have call predecessors, (3372), 1137 states have return successors, (3597), 3313 states have call predecessors, (3597), 3371 states have call successors, (3597) [2022-11-03 02:34:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12235 states to 12235 states and 17417 transitions. [2022-11-03 02:34:05,109 INFO L78 Accepts]: Start accepts. Automaton has 12235 states and 17417 transitions. Word has length 252 [2022-11-03 02:34:05,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:05,110 INFO L495 AbstractCegarLoop]: Abstraction has 12235 states and 17417 transitions. [2022-11-03 02:34:05,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 3 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-03 02:34:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 12235 states and 17417 transitions. [2022-11-03 02:34:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-03 02:34:05,139 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:05,140 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:05,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:34:05,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:05,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:05,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1725554518, now seen corresponding path program 1 times [2022-11-03 02:34:05,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:05,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922337415] [2022-11-03 02:34:05,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:05,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:06,401 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-03 02:34:06,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:06,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922337415] [2022-11-03 02:34:06,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922337415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:06,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:06,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 02:34:06,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557757193] [2022-11-03 02:34:06,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:06,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 02:34:06,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:06,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 02:34:06,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:34:06,405 INFO L87 Difference]: Start difference. First operand 12235 states and 17417 transitions. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-03 02:34:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:14,449 INFO L93 Difference]: Finished difference Result 24367 states and 35229 transitions. [2022-11-03 02:34:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:34:14,449 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) Word has length 256 [2022-11-03 02:34:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:14,528 INFO L225 Difference]: With dead ends: 24367 [2022-11-03 02:34:14,528 INFO L226 Difference]: Without dead ends: 12281 [2022-11-03 02:34:14,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:34:14,588 INFO L413 NwaCegarLoop]: 2750 mSDtfsCounter, 10 mSDsluCounter, 21282 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 21950 SdHoareTripleChecker+Invalid, 2474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:14,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 21950 Invalid, 2474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-11-03 02:34:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12281 states. [2022-11-03 02:34:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12281 to 12265. [2022-11-03 02:34:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12265 states, 7746 states have (on average 1.3507616834495224) internal successors, (10463), 7995 states have internal predecessors, (10463), 3375 states have call successors, (3375), 1129 states have call predecessors, (3375), 1143 states have return successors, (3609), 3322 states have call predecessors, (3609), 3374 states have call successors, (3609) [2022-11-03 02:34:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12265 states to 12265 states and 17447 transitions. [2022-11-03 02:34:15,150 INFO L78 Accepts]: Start accepts. Automaton has 12265 states and 17447 transitions. Word has length 256 [2022-11-03 02:34:15,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:15,151 INFO L495 AbstractCegarLoop]: Abstraction has 12265 states and 17447 transitions. [2022-11-03 02:34:15,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 7 states have internal predecessors, (121), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) [2022-11-03 02:34:15,152 INFO L276 IsEmpty]: Start isEmpty. Operand 12265 states and 17447 transitions. [2022-11-03 02:34:15,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-03 02:34:15,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:15,179 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:15,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:34:15,179 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:15,180 INFO L85 PathProgramCache]: Analyzing trace with hash 2137252462, now seen corresponding path program 1 times [2022-11-03 02:34:15,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:15,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791335966] [2022-11-03 02:34:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:15,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-03 02:34:18,377 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:18,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791335966] [2022-11-03 02:34:18,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791335966] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:18,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:34:18,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:34:18,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145628929] [2022-11-03 02:34:18,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:18,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:34:18,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:18,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:34:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:34:18,381 INFO L87 Difference]: Start difference. First operand 12265 states and 17447 transitions. Second operand has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 7 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-11-03 02:34:23,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:23,739 INFO L93 Difference]: Finished difference Result 24455 states and 35226 transitions. [2022-11-03 02:34:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:34:23,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 7 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) Word has length 244 [2022-11-03 02:34:23,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:23,816 INFO L225 Difference]: With dead ends: 24455 [2022-11-03 02:34:23,816 INFO L226 Difference]: Without dead ends: 12339 [2022-11-03 02:34:23,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:34:23,872 INFO L413 NwaCegarLoop]: 2733 mSDtfsCounter, 26 mSDsluCounter, 12063 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 13610 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:23,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 13610 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-03 02:34:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12339 states. [2022-11-03 02:34:24,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12339 to 12339. [2022-11-03 02:34:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12339 states, 7788 states have (on average 1.3493836671802772) internal successors, (10509), 8047 states have internal predecessors, (10509), 3397 states have call successors, (3397), 1133 states have call predecessors, (3397), 1153 states have return successors, (3663), 3344 states have call predecessors, (3663), 3396 states have call successors, (3663) [2022-11-03 02:34:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12339 states to 12339 states and 17569 transitions. [2022-11-03 02:34:24,477 INFO L78 Accepts]: Start accepts. Automaton has 12339 states and 17569 transitions. Word has length 244 [2022-11-03 02:34:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:24,478 INFO L495 AbstractCegarLoop]: Abstraction has 12339 states and 17569 transitions. [2022-11-03 02:34:24,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 7 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-11-03 02:34:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 12339 states and 17569 transitions. [2022-11-03 02:34:24,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-03 02:34:24,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:24,512 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:24,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:34:24,512 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:24,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:24,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1971451521, now seen corresponding path program 1 times [2022-11-03 02:34:24,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:24,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442815533] [2022-11-03 02:34:24,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-11-03 02:34:26,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:26,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442815533] [2022-11-03 02:34:26,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442815533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:34:26,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525287960] [2022-11-03 02:34:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:34:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:26,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:34:26,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:34:28,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:28,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 4107 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:34:28,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:34:28,673 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 254 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:34:28,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:34:28,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525287960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:34:28,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:34:28,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-11-03 02:34:28,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997552142] [2022-11-03 02:34:28,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:34:28,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:34:28,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:34:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:34:28,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:34:28,677 INFO L87 Difference]: Start difference. First operand 12339 states and 17569 transitions. Second operand has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:34:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:34:32,346 INFO L93 Difference]: Finished difference Result 24670 states and 35540 transitions. [2022-11-03 02:34:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:34:32,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 262 [2022-11-03 02:34:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:34:32,410 INFO L225 Difference]: With dead ends: 24670 [2022-11-03 02:34:32,410 INFO L226 Difference]: Without dead ends: 12346 [2022-11-03 02:34:32,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:34:32,579 INFO L413 NwaCegarLoop]: 2729 mSDtfsCounter, 1 mSDsluCounter, 6045 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8180 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:34:32,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8180 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-03 02:34:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12346 states. [2022-11-03 02:34:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12346 to 12346. [2022-11-03 02:34:33,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12346 states, 7795 states have (on average 1.3490699166132136) internal successors, (10516), 8054 states have internal predecessors, (10516), 3397 states have call successors, (3397), 1133 states have call predecessors, (3397), 1153 states have return successors, (3663), 3344 states have call predecessors, (3663), 3396 states have call successors, (3663) [2022-11-03 02:34:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12346 states to 12346 states and 17576 transitions. [2022-11-03 02:34:33,421 INFO L78 Accepts]: Start accepts. Automaton has 12346 states and 17576 transitions. Word has length 262 [2022-11-03 02:34:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:34:33,422 INFO L495 AbstractCegarLoop]: Abstraction has 12346 states and 17576 transitions. [2022-11-03 02:34:33,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 42.0) internal successors, (126), 4 states have internal predecessors, (126), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:34:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 12346 states and 17576 transitions. [2022-11-03 02:34:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-11-03 02:34:33,455 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:34:33,456 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:34:33,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:34:33,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:34:33,683 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:34:33,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:34:33,684 INFO L85 PathProgramCache]: Analyzing trace with hash -968669925, now seen corresponding path program 1 times [2022-11-03 02:34:33,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:34:33,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902034938] [2022-11-03 02:34:33,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:33,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:34:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2022-11-03 02:34:36,125 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:34:36,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902034938] [2022-11-03 02:34:36,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902034938] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:34:36,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249777346] [2022-11-03 02:34:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:34:36,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:34:36,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:34:36,127 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:34:36,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:34:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:34:38,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 4167 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:34:38,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:34:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 258 proven. 1 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-11-03 02:34:38,374 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:34:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2022-11-03 02:34:38,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249777346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:34:38,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [16547541] [2022-11-03 02:34:38,797 INFO L159 IcfgInterpreter]: Started Sifa with 183 locations of interest [2022-11-03 02:34:38,797 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:34:38,801 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:34:38,807 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:34:38,808 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:34:44,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:44,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:44,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:44,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:34:45,020 INFO L244 Elim1Store]: Index analysis took 620 ms [2022-11-03 02:35:28,811 WARN L234 SmtUtils]: Spent 43.73s on a formula simplification. DAG size of input: 2079 DAG size of output: 934 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:35:28,819 INFO L356 Elim1Store]: treesize reduction 6003, result has 23.6 percent of original size [2022-11-03 02:35:28,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 103 select indices, 103 select index equivalence classes, 5261 disjoint index pairs (out of 5253 index pairs), introduced 103 new quantified variables, introduced 105 case distinctions, treesize of input 531 treesize of output 2177 [2022-11-03 02:35:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:35:35,305 INFO L244 Elim1Store]: Index analysis took 4198 ms [2022-11-03 02:37:05,616 WARN L234 SmtUtils]: Spent 1.50m on a formula simplification. DAG size of input: 2702 DAG size of output: 1237 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:37:05,619 INFO L356 Elim1Store]: treesize reduction 9015, result has 19.3 percent of original size [2022-11-03 02:37:05,621 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 108 select indices, 108 select index equivalence classes, 5364 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 522 case distinctions, treesize of input 580 treesize of output 2521 [2022-11-03 02:37:08,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 1999 treesize of output 1602 [2022-11-03 02:37:10,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 2001 treesize of output 1604 [2022-11-03 02:37:31,699 INFO L390 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 7 treesize of output 6 [2022-11-03 02:37:31,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:37:31,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:37:41,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:41,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:41,461 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 108 select indices, 108 select index equivalence classes, 5778 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 325 [2022-11-03 02:37:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:44,659 INFO L244 Elim1Store]: Index analysis took 1114 ms [2022-11-03 02:37:44,730 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 370 select indices, 370 select index equivalence classes, 3927 disjoint index pairs (out of 68265 index pairs), introduced 370 new quantified variables, introduced 0 case distinctions, treesize of input 3235 treesize of output 1111 [2022-11-03 02:37:46,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:46,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:46,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:37:46,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 107 select indices, 107 select index equivalence classes, 5675 disjoint index pairs (out of 5671 index pairs), introduced 107 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 322 [2022-11-03 02:38:13,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:13,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 107 select indices, 107 select index equivalence classes, 5675 disjoint index pairs (out of 5671 index pairs), introduced 107 new quantified variables, introduced 0 case distinctions, treesize of input 536 treesize of output 322 [2022-11-03 02:38:14,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:14,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:14,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:14,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:14,825 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 108 select indices, 108 select index equivalence classes, 5778 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 541 treesize of output 325 [2022-11-03 02:38:17,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:38:18,495 INFO L244 Elim1Store]: Index analysis took 1129 ms [2022-11-03 02:38:18,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 370 select indices, 370 select index equivalence classes, 3927 disjoint index pairs (out of 68265 index pairs), introduced 370 new quantified variables, introduced 0 case distinctions, treesize of input 3235 treesize of output 1111 [2022-11-03 02:38:28,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:28,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:28,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:31,301 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:31,345 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:31,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:35,829 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:35,882 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:35,955 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:38,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:38,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:38,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:44,262 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:44,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:44,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:48,222 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:48,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:38:48,321 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:57,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:57,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:38:57,688 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:39:02,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:39:02,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 02:39:02,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:39:02,994 INFO L390 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 11 treesize of output 7 [2022-11-03 02:39:03,001 INFO L390 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 13 treesize of output 9 [2022-11-03 02:39:03,007 INFO L390 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 11 treesize of output 7 [2022-11-03 02:39:03,057 INFO L356 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-03 02:39:03,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 56 [2022-11-03 02:39:03,087 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:39:03,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2022-11-03 02:39:03,125 INFO L356 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-03 02:39:03,126 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-03 02:39:03,160 INFO L390 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 [2022-11-03 02:39:03,169 INFO L390 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 14 treesize of output 10 [2022-11-03 02:39:03,176 INFO L390 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 14 treesize of output 10 [2022-11-03 02:39:08,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 02:39:08,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2022-11-03 02:39:08,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2022-11-03 02:39:08,578 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-03 02:39:08,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 02:39:08,687 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 34 [2022-11-03 02:39:09,741 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-03 02:39:10,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-03 02:39:23,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:39:23,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 02:39:23,913 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:285) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostconditionCall(PredicateTransformer.java:157) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.postCall(SymbolicTools.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:218) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:207) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:39:23,916 INFO L158 Benchmark]: Toolchain (without parser) took 363403.76ms. Allocated memory was 109.1MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 64.9MB in the beginning and 892.6MB in the end (delta: -827.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-03 02:39:23,917 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:39:23,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5019.87ms. Allocated memory was 109.1MB in the beginning and 209.7MB in the end (delta: 100.7MB). Free memory was 64.6MB in the beginning and 113.3MB in the end (delta: -48.7MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2022-11-03 02:39:23,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 372.90ms. Allocated memory is still 209.7MB. Free memory was 113.3MB in the beginning and 77.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-03 02:39:23,917 INFO L158 Benchmark]: Boogie Preprocessor took 437.22ms. Allocated memory was 209.7MB in the beginning and 333.4MB in the end (delta: 123.7MB). Free memory was 77.6MB in the beginning and 206.9MB in the end (delta: -129.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-03 02:39:23,918 INFO L158 Benchmark]: RCFGBuilder took 9699.29ms. Allocated memory was 333.4MB in the beginning and 820.0MB in the end (delta: 486.5MB). Free memory was 206.9MB in the beginning and 456.4MB in the end (delta: -249.5MB). Peak memory consumption was 317.3MB. Max. memory is 16.1GB. [2022-11-03 02:39:23,918 INFO L158 Benchmark]: TraceAbstraction took 347858.00ms. Allocated memory was 820.0MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 455.3MB in the beginning and 892.6MB in the end (delta: -437.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-03 02:39:23,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 61.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5019.87ms. Allocated memory was 109.1MB in the beginning and 209.7MB in the end (delta: 100.7MB). Free memory was 64.6MB in the beginning and 113.3MB in the end (delta: -48.7MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 372.90ms. Allocated memory is still 209.7MB. Free memory was 113.3MB in the beginning and 77.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 437.22ms. Allocated memory was 209.7MB in the beginning and 333.4MB in the end (delta: 123.7MB). Free memory was 77.6MB in the beginning and 206.9MB in the end (delta: -129.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9699.29ms. Allocated memory was 333.4MB in the beginning and 820.0MB in the end (delta: 486.5MB). Free memory was 206.9MB in the beginning and 456.4MB in the end (delta: -249.5MB). Peak memory consumption was 317.3MB. Max. memory is 16.1GB. * TraceAbstraction took 347858.00ms. Allocated memory was 820.0MB in the beginning and 2.1GB in the end (delta: 1.3GB). Free memory was 455.3MB in the beginning and 892.6MB in the end (delta: -437.3MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 02:39:23,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI --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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:39:26,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:39:26,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:39:26,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:39:26,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:39:26,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:39:26,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:39:26,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:39:26,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:39:26,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:39:26,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:39:26,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:39:26,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:39:26,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:39:26,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:39:26,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:39:26,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:39:26,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:39:26,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:39:26,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:39:26,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:39:26,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:39:26,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:39:26,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:39:26,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:39:26,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:39:26,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:39:26,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:39:26,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:39:26,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:39:26,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:39:26,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:39:26,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:39:26,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:39:26,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:39:26,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:39:26,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:39:26,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:39:26,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:39:26,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:39:26,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:39:26,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:39:26,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:39:26,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:39:26,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:39:26,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:39:26,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:39:26,555 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:39:26,555 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:39:26,555 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:39:26,556 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:39:26,556 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:39:26,557 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:39:26,557 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:39:26,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:39:26,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:39:26,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:39:26,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:39:26,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:39:26,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:39:26,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:39:26,560 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:39:26,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:39:26,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:39:26,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:39:26,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:39:26,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:39:26,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:39:26,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:26,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:39:26,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:39:26,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:39:26,563 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:39:26,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:39:26,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:39:26,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:39:26,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:39:26,564 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_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-11-03 02:39:27,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:39:27,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:39:27,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:39:27,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:39:27,049 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:39:27,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:39:27,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/6173c7d65/e09634192afd42669346f4cd0d80ad29/FLAG681564e69 [2022-11-03 02:39:28,164 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:39:28,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:39:28,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/6173c7d65/e09634192afd42669346f4cd0d80ad29/FLAG681564e69 [2022-11-03 02:39:28,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/data/6173c7d65/e09634192afd42669346f4cd0d80ad29 [2022-11-03 02:39:28,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:39:28,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:39:28,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:28,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:39:28,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:39:28,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:28" (1/1) ... [2022-11-03 02:39:28,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e86b5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:28, skipping insertion in model container [2022-11-03 02:39:28,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:39:28" (1/1) ... [2022-11-03 02:39:28,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:39:28,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:30,160 WARN L230 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_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-03 02:39:31,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:32,068 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-03 02:39:32,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:39:32,313 WARN L230 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_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-03 02:39:32,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:32,641 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:39:32,791 WARN L230 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_e5e3d492-a532-49a9-9e43-f218134619c4/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-03 02:39:33,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:39:33,671 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:39:33,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33 WrapperNode [2022-11-03 02:39:33,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:39:33,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:33,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:39:33,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:39:33,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:33,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:33,992 INFO L138 Inliner]: procedures = 464, calls = 2520, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6100 [2022-11-03 02:39:33,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:39:33,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:39:33,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:39:33,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:39:34,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:39:34,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:39:34,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:39:34,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:39:34,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (1/1) ... [2022-11-03 02:39:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:39:34,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:39:34,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:39:34,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:39:34,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 02:39:34,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 02:39:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-03 02:39:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-03 02:39:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-03 02:39:34,476 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-03 02:39:34,476 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-03 02:39:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-03 02:39:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-03 02:39:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-03 02:39:34,477 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-03 02:39:34,477 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-03 02:39:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-03 02:39:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-03 02:39:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:39:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:39:34,478 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-03 02:39:34,478 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-03 02:39:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-03 02:39:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-03 02:39:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-03 02:39:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-03 02:39:34,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-03 02:39:34,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-03 02:39:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-03 02:39:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-03 02:39:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-03 02:39:34,480 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-03 02:39:34,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 02:39:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 02:39:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 02:39:34,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 02:39:34,481 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-03 02:39:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-03 02:39:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-03 02:39:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-03 02:39:34,482 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-03 02:39:34,482 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-03 02:39:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-03 02:39:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-03 02:39:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-03 02:39:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-03 02:39:34,483 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-03 02:39:34,483 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-03 02:39:34,484 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 02:39:34,484 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 02:39:34,485 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-03 02:39:34,485 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-03 02:39:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-03 02:39:34,486 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-03 02:39:34,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-03 02:39:34,487 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-03 02:39:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-03 02:39:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-03 02:39:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-03 02:39:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-03 02:39:34,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-03 02:39:34,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-03 02:39:34,489 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-03 02:39:34,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-03 02:39:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-03 02:39:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-03 02:39:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:39:34,490 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-03 02:39:34,490 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-03 02:39:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-03 02:39:34,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-03 02:39:34,491 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-03 02:39:34,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-03 02:39:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-03 02:39:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 02:39:34,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-03 02:39:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-03 02:39:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-03 02:39:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-03 02:39:34,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-03 02:39:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-03 02:39:34,493 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 02:39:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 02:39:34,494 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-03 02:39:34,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-03 02:39:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 02:39:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 02:39:34,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-03 02:39:34,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-03 02:39:34,496 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-03 02:39:34,496 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-03 02:39:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-03 02:39:34,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-03 02:39:34,497 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:39:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:39:34,498 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-03 02:39:34,498 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-03 02:39:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-03 02:39:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-03 02:39:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-03 02:39:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-03 02:39:34,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-03 02:39:34,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-03 02:39:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-03 02:39:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-03 02:39:34,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-03 02:39:34,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-03 02:39:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-03 02:39:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-03 02:39:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-03 02:39:34,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-03 02:39:34,501 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-03 02:39:34,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-03 02:39:34,503 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-03 02:39:34,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-03 02:39:34,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:39:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:39:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-03 02:39:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-03 02:39:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-03 02:39:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-03 02:39:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-03 02:39:34,505 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-03 02:39:34,505 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-03 02:39:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-03 02:39:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-03 02:39:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-03 02:39:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-03 02:39:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-03 02:39:34,506 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 02:39:34,506 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 02:39:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-03 02:39:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-03 02:39:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-03 02:39:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-03 02:39:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-03 02:39:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-03 02:39:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-03 02:39:34,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-03 02:39:34,507 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-03 02:39:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-03 02:39:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-03 02:39:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 02:39:34,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 02:39:34,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-03 02:39:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 02:39:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-03 02:39:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:39:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-03 02:39:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-11-03 02:39:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~C_INT [2022-11-03 02:39:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-03 02:39:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-03 02:39:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-03 02:39:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-03 02:39:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-03 02:39:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-03 02:39:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-03 02:39:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-03 02:39:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:39:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:39:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-03 02:39:34,512 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-03 02:39:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 02:39:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 02:39:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-03 02:39:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-03 02:39:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-03 02:39:34,513 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-03 02:39:34,513 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-03 02:39:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-03 02:39:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-03 02:39:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-03 02:39:34,514 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-03 02:39:34,514 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-03 02:39:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-03 02:39:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-03 02:39:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-03 02:39:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:39:34,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:39:34,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-03 02:39:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-03 02:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-03 02:39:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-03 02:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-03 02:39:34,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-03 02:39:34,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-03 02:39:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-03 02:39:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-03 02:39:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-03 02:39:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 02:39:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-03 02:39:34,517 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-03 02:39:34,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:39:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-03 02:39:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:39:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:39:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:39:34,518 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-03 02:39:34,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-03 02:39:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-03 02:39:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-03 02:39:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 02:39:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 02:39:34,519 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-03 02:39:34,519 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-03 02:39:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-03 02:39:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-03 02:39:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-03 02:39:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-03 02:39:34,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-03 02:39:34,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-03 02:39:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 02:39:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-03 02:39:34,521 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-03 02:39:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-03 02:39:34,521 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-03 02:39:34,521 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-03 02:39:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-03 02:39:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-03 02:39:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-03 02:39:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-03 02:39:34,522 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-03 02:39:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-03 02:39:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-03 02:39:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-03 02:39:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-03 02:39:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:39:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:39:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:39:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:39:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-03 02:39:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-03 02:39:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-11-03 02:39:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-11-03 02:39:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-03 02:39:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-03 02:39:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 02:39:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 02:39:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-03 02:39:34,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-03 02:39:34,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:39:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:39:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-03 02:39:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-03 02:39:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-03 02:39:34,538 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-03 02:39:34,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-03 02:39:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-03 02:39:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:39:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:39:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:39:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-03 02:39:34,539 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-03 02:39:34,539 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-03 02:39:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-03 02:39:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-03 02:39:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-03 02:39:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 02:39:34,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 02:39:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:39:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-03 02:39:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-03 02:39:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-03 02:39:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-03 02:39:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-03 02:39:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-03 02:39:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-03 02:39:34,542 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:39:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-03 02:39:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-03 02:39:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-03 02:39:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-03 02:39:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-03 02:39:34,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-03 02:39:34,543 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:39:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:39:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:39:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:39:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 02:39:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 02:39:34,544 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:39:34,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:39:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-03 02:39:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-03 02:39:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-03 02:39:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-03 02:39:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:39:34,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:39:34,545 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-03 02:39:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-03 02:39:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 02:39:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 02:39:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-03 02:39:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-03 02:39:34,546 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-03 02:39:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-03 02:39:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-03 02:39:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-03 02:39:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-03 02:39:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-03 02:39:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-03 02:39:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-03 02:39:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-03 02:39:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-03 02:39:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-03 02:39:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-03 02:39:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-03 02:39:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-03 02:39:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-03 02:39:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-03 02:39:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 02:39:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 02:39:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-03 02:39:34,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-03 02:39:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-03 02:39:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-03 02:39:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:39:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:39:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-03 02:39:34,550 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-03 02:39:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-03 02:39:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-03 02:39:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-03 02:39:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-03 02:39:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-03 02:39:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-03 02:39:34,551 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-03 02:39:34,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-03 02:39:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:39:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:39:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-03 02:39:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-03 02:39:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-03 02:39:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-03 02:39:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-03 02:39:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-03 02:39:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-03 02:39:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-03 02:39:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-03 02:39:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-03 02:39:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-03 02:39:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-03 02:39:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-03 02:39:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-03 02:39:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-03 02:39:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-03 02:39:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 02:39:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 02:39:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-03 02:39:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-03 02:39:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-03 02:39:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-03 02:39:34,555 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-03 02:39:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-03 02:39:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-03 02:39:34,556 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-03 02:39:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-03 02:39:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-03 02:39:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-03 02:39:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-03 02:39:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-03 02:39:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-03 02:39:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 02:39:34,558 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 02:39:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-03 02:39:34,559 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-03 02:39:34,559 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 02:39:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 02:39:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-03 02:39:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-03 02:39:34,563 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-03 02:39:34,563 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-03 02:39:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-03 02:39:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-03 02:39:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-03 02:39:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-03 02:39:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-03 02:39:34,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-03 02:39:34,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:39:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:39:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-03 02:39:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-03 02:39:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-03 02:39:34,565 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-03 02:39:34,565 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-03 02:39:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-03 02:39:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-03 02:39:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-03 02:39:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-03 02:39:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-03 02:39:34,566 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-03 02:39:34,566 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-03 02:39:35,851 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:39:35,863 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:39:36,459 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:40:07,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:40:07,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:40:07,768 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:40:07,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:07 BoogieIcfgContainer [2022-11-03 02:40:07,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:40:07,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:40:07,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:40:07,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:40:07,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:39:28" (1/3) ... [2022-11-03 02:40:07,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3833a365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:07, skipping insertion in model container [2022-11-03 02:40:07,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:39:33" (2/3) ... [2022-11-03 02:40:07,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3833a365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:40:07, skipping insertion in model container [2022-11-03 02:40:07,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:40:07" (3/3) ... [2022-11-03 02:40:07,789 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-03 02:40:07,813 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:40:07,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:40:07,934 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:40:07,940 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2a50c290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:40:07,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:40:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-11-03 02:40:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-03 02:40:07,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:07,976 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:07,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:07,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1050695156, now seen corresponding path program 1 times [2022-11-03 02:40:08,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:08,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491216795] [2022-11-03 02:40:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:08,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:08,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:08,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:08,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:40:10,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:10,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1644 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:40:10,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-03 02:40:10,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:10,910 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:10,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491216795] [2022-11-03 02:40:10,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491216795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:10,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:40:10,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:40:10,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680972005] [2022-11-03 02:40:10,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:10,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:10,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:10,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:40:10,957 INFO L87 Difference]: Start difference. First operand has 2809 states, 2008 states have (on average 1.3834661354581674) internal successors, (2778), 2058 states have internal predecessors, (2778), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:40:11,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:11,418 INFO L93 Difference]: Finished difference Result 5616 states and 8110 transitions. [2022-11-03 02:40:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:11,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-11-03 02:40:11,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:11,450 INFO L225 Difference]: With dead ends: 5616 [2022-11-03 02:40:11,451 INFO L226 Difference]: Without dead ends: 2792 [2022-11-03 02:40:11,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:40:11,471 INFO L413 NwaCegarLoop]: 3984 mSDtfsCounter, 2 mSDsluCounter, 7961 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11945 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:11,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11945 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:40:11,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2022-11-03 02:40:11,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2792. [2022-11-03 02:40:11,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 1999 states have (on average 1.3751875937968985) internal successors, (2749), 2041 states have internal predecessors, (2749), 606 states have call successors, (606), 187 states have call predecessors, (606), 186 states have return successors, (605), 594 states have call predecessors, (605), 605 states have call successors, (605) [2022-11-03 02:40:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3960 transitions. [2022-11-03 02:40:11,694 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3960 transitions. Word has length 112 [2022-11-03 02:40:11,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:11,696 INFO L495 AbstractCegarLoop]: Abstraction has 2792 states and 3960 transitions. [2022-11-03 02:40:11,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:40:11,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3960 transitions. [2022-11-03 02:40:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 02:40:11,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:11,708 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:11,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:11,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:11,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:11,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:11,933 INFO L85 PathProgramCache]: Analyzing trace with hash 198385884, now seen corresponding path program 1 times [2022-11-03 02:40:11,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:11,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2037124325] [2022-11-03 02:40:11,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:11,934 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:11,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:11,936 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:11,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 02:40:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:14,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-03 02:40:14,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:40:15,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:15,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2037124325] [2022-11-03 02:40:15,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2037124325] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:15,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1740187265] [2022-11-03 02:40:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:15,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:15,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:15,167 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:15,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-03 02:40:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:17,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:17,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:17,194 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-03 02:40:17,195 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:17,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1740187265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:17,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:40:17,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:40:17,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063574026] [2022-11-03 02:40:17,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:17,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:17,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:17,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:17,199 INFO L87 Difference]: Start difference. First operand 2792 states and 3960 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:40:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:17,706 INFO L93 Difference]: Finished difference Result 8274 states and 11738 transitions. [2022-11-03 02:40:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2022-11-03 02:40:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:17,749 INFO L225 Difference]: With dead ends: 8274 [2022-11-03 02:40:17,749 INFO L226 Difference]: Without dead ends: 5514 [2022-11-03 02:40:17,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:17,765 INFO L413 NwaCegarLoop]: 4552 mSDtfsCounter, 3871 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 8483 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:17,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 8483 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:40:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5514 states. [2022-11-03 02:40:18,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5514 to 5514. [2022-11-03 02:40:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 3953 states have (on average 1.377687832026309) internal successors, (5446), 4036 states have internal predecessors, (5446), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-03 02:40:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7821 transitions. [2022-11-03 02:40:18,072 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7821 transitions. Word has length 116 [2022-11-03 02:40:18,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:18,073 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7821 transitions. [2022-11-03 02:40:18,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:40:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7821 transitions. [2022-11-03 02:40:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:40:18,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:18,084 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:18,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:18,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-11-03 02:40:18,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:18,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:18,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:18,508 INFO L85 PathProgramCache]: Analyzing trace with hash -148848113, now seen corresponding path program 1 times [2022-11-03 02:40:18,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:18,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008085586] [2022-11-03 02:40:18,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:18,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:18,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:18,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:18,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 02:40:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:20,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:20,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-03 02:40:21,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:21,369 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:40:21,369 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:21,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008085586] [2022-11-03 02:40:21,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008085586] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:21,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [769220657] [2022-11-03 02:40:21,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:21,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:21,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2022-11-03 02:40:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:23,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:40:23,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:23,340 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-03 02:40:23,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:23,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [769220657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:23,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:40:23,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2022-11-03 02:40:23,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553917148] [2022-11-03 02:40:23,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:23,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:40:23,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:23,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:40:23,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:40:23,343 INFO L87 Difference]: Start difference. First operand 5514 states and 7821 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 02:40:24,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:24,884 INFO L93 Difference]: Finished difference Result 11448 states and 16345 transitions. [2022-11-03 02:40:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:40:24,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2022-11-03 02:40:24,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:24,928 INFO L225 Difference]: With dead ends: 11448 [2022-11-03 02:40:24,928 INFO L226 Difference]: Without dead ends: 5966 [2022-11-03 02:40:24,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:40:24,955 INFO L413 NwaCegarLoop]: 4583 mSDtfsCounter, 4602 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4602 SdHoareTripleChecker+Valid, 8644 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:24,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4602 Valid, 8644 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:40:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2022-11-03 02:40:25,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5516. [2022-11-03 02:40:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5516 states, 3955 states have (on average 1.37724399494311) internal successors, (5447), 4038 states have internal predecessors, (5447), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-03 02:40:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7822 transitions. [2022-11-03 02:40:25,334 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7822 transitions. Word has length 114 [2022-11-03 02:40:25,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:25,336 INFO L495 AbstractCegarLoop]: Abstraction has 5516 states and 7822 transitions. [2022-11-03 02:40:25,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-03 02:40:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7822 transitions. [2022-11-03 02:40:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 02:40:25,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:25,340 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:25,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:25,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:25,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:40:25,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1014222395, now seen corresponding path program 1 times [2022-11-03 02:40:25,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:25,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459763542] [2022-11-03 02:40:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:25,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:25,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:25,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:25,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 02:40:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:28,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:28,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:28,152 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-03 02:40:28,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:40:28,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:28,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459763542] [2022-11-03 02:40:28,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459763542] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:28,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1098175117] [2022-11-03 02:40:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:28,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:28,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2022-11-03 02:40:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:30,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:30,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-03 02:40:30,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:30,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1098175117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:30,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:40:30,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2022-11-03 02:40:30,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230213266] [2022-11-03 02:40:30,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:30,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:40:30,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:30,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:40:30,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:40:30,856 INFO L87 Difference]: Start difference. First operand 5516 states and 7822 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:40:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:31,984 INFO L93 Difference]: Finished difference Result 16481 states and 23634 transitions. [2022-11-03 02:40:31,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:40:31,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 115 [2022-11-03 02:40:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:32,063 INFO L225 Difference]: With dead ends: 16481 [2022-11-03 02:40:32,064 INFO L226 Difference]: Without dead ends: 10982 [2022-11-03 02:40:32,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:40:32,089 INFO L413 NwaCegarLoop]: 4870 mSDtfsCounter, 3915 mSDsluCounter, 13709 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3915 SdHoareTripleChecker+Valid, 18579 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:32,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3915 Valid, 18579 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 02:40:32,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10982 states. [2022-11-03 02:40:32,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10982 to 10972. [2022-11-03 02:40:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10972 states, 7870 states have (on average 1.3783989834815755) internal successors, (10848), 8036 states have internal predecessors, (10848), 2359 states have call successors, (2359), 743 states have call predecessors, (2359), 742 states have return successors, (2494), 2314 states have call predecessors, (2494), 2358 states have call successors, (2494) [2022-11-03 02:40:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10972 states to 10972 states and 15701 transitions. [2022-11-03 02:40:32,771 INFO L78 Accepts]: Start accepts. Automaton has 10972 states and 15701 transitions. Word has length 115 [2022-11-03 02:40:32,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:32,772 INFO L495 AbstractCegarLoop]: Abstraction has 10972 states and 15701 transitions. [2022-11-03 02:40:32,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-03 02:40:32,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10972 states and 15701 transitions. [2022-11-03 02:40:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-03 02:40:32,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:32,871 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:32,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:33,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:33,283 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:33,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:33,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1785933548, now seen corresponding path program 1 times [2022-11-03 02:40:33,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:33,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922862249] [2022-11-03 02:40:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:33,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:33,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:33,287 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 02:40:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:36,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:36,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:40:36,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-03 02:40:36,601 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:36,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922862249] [2022-11-03 02:40:36,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922862249] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:36,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1856825032] [2022-11-03 02:40:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:36,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:36,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:36,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-03 02:40:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:38,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 2158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:38,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-11-03 02:40:38,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:38,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1856825032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:38,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:40:38,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:40:38,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912946850] [2022-11-03 02:40:38,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:38,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:38,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:38,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:38,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:38,656 INFO L87 Difference]: Start difference. First operand 10972 states and 15701 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:40:39,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:39,689 INFO L93 Difference]: Finished difference Result 27214 states and 38893 transitions. [2022-11-03 02:40:39,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:39,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 232 [2022-11-03 02:40:39,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:39,852 INFO L225 Difference]: With dead ends: 27214 [2022-11-03 02:40:39,852 INFO L226 Difference]: Without dead ends: 16274 [2022-11-03 02:40:39,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:39,904 INFO L413 NwaCegarLoop]: 4544 mSDtfsCounter, 3866 mSDsluCounter, 3906 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3866 SdHoareTripleChecker+Valid, 8450 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:39,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3866 Valid, 8450 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:40:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16274 states. [2022-11-03 02:40:40,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16274 to 16252. [2022-11-03 02:40:40,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16252 states, 11670 states have (on average 1.3777206512425022) internal successors, (16078), 11906 states have internal predecessors, (16078), 3471 states have call successors, (3471), 1111 states have call predecessors, (3471), 1110 states have return successors, (3664), 3410 states have call predecessors, (3664), 3470 states have call successors, (3664) [2022-11-03 02:40:41,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16252 states to 16252 states and 23213 transitions. [2022-11-03 02:40:41,037 INFO L78 Accepts]: Start accepts. Automaton has 16252 states and 23213 transitions. Word has length 232 [2022-11-03 02:40:41,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:41,038 INFO L495 AbstractCegarLoop]: Abstraction has 16252 states and 23213 transitions. [2022-11-03 02:40:41,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-03 02:40:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 16252 states and 23213 transitions. [2022-11-03 02:40:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-03 02:40:41,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:41,087 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:41,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:41,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:41,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:41,503 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:41,503 INFO L85 PathProgramCache]: Analyzing trace with hash -867322253, now seen corresponding path program 1 times [2022-11-03 02:40:41,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:41,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699883709] [2022-11-03 02:40:41,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:41,507 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:41,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 02:40:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:44,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:44,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:44,282 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2022-11-03 02:40:44,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:44,823 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-11-03 02:40:44,823 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:44,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699883709] [2022-11-03 02:40:44,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699883709] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:44,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [698368476] [2022-11-03 02:40:44,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:44,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:44,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:44,831 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2022-11-03 02:40:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:46,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:40:46,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-11-03 02:40:47,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:40:47,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [698368476] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:40:47,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:40:47,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:40:47,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43894358] [2022-11-03 02:40:47,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:40:47,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:40:47,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:40:47,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:40:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:47,038 INFO L87 Difference]: Start difference. First operand 16252 states and 23213 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 02:40:48,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:40:48,548 INFO L93 Difference]: Finished difference Result 32212 states and 45867 transitions. [2022-11-03 02:40:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:40:48,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 262 [2022-11-03 02:40:48,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:40:48,621 INFO L225 Difference]: With dead ends: 32212 [2022-11-03 02:40:48,621 INFO L226 Difference]: Without dead ends: 15992 [2022-11-03 02:40:48,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:40:48,665 INFO L413 NwaCegarLoop]: 6327 mSDtfsCounter, 3207 mSDsluCounter, 3762 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3207 SdHoareTripleChecker+Valid, 10089 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:40:48,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3207 Valid, 10089 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:40:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15992 states. [2022-11-03 02:40:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15992 to 15970. [2022-11-03 02:40:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15970 states, 11469 states have (on average 1.3723951521492719) internal successors, (15740), 11715 states have internal predecessors, (15740), 3372 states have call successors, (3372), 1129 states have call predecessors, (3372), 1128 states have return successors, (3562), 3307 states have call predecessors, (3562), 3371 states have call successors, (3562) [2022-11-03 02:40:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15970 states to 15970 states and 22674 transitions. [2022-11-03 02:40:49,778 INFO L78 Accepts]: Start accepts. Automaton has 15970 states and 22674 transitions. Word has length 262 [2022-11-03 02:40:49,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:40:49,779 INFO L495 AbstractCegarLoop]: Abstraction has 15970 states and 22674 transitions. [2022-11-03 02:40:49,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-03 02:40:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 15970 states and 22674 transitions. [2022-11-03 02:40:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-11-03 02:40:49,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:40:49,822 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:40:49,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:50,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2022-11-03 02:40:50,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:50,235 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:40:50,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:40:50,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1284542512, now seen corresponding path program 1 times [2022-11-03 02:40:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:40:50,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990620226] [2022-11-03 02:40:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:50,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:40:50,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:40:50,239 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:40:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 02:40:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:52,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:52,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-03 02:40:52,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-03 02:40:53,504 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:40:53,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990620226] [2022-11-03 02:40:53,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990620226] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:53,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1166087628] [2022-11-03 02:40:53,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:53,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:40:53,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:40:53,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:40:53,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2022-11-03 02:40:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:40:59,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:40:59,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:40:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-03 02:40:59,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:40:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-03 02:40:59,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1166087628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:40:59,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572838756] [2022-11-03 02:40:59,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:40:59,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:40:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:40:59,810 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:40:59,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-03 02:41:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:01,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 2384 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:41:01,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-11-03 02:41:01,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:01,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572838756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:01,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-03 02:41:01,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5, 5, 5] total 11 [2022-11-03 02:41:01,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507541863] [2022-11-03 02:41:01,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:01,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:41:01,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:01,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:41:01,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:41:01,959 INFO L87 Difference]: Start difference. First operand 15970 states and 22674 transitions. Second operand has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-03 02:41:02,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:02,724 INFO L93 Difference]: Finished difference Result 31796 states and 45710 transitions. [2022-11-03 02:41:02,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:41:02,725 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 294 [2022-11-03 02:41:02,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:02,801 INFO L225 Difference]: With dead ends: 31796 [2022-11-03 02:41:02,801 INFO L226 Difference]: Without dead ends: 16010 [2022-11-03 02:41:02,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1465 GetRequests, 1456 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:41:02,856 INFO L413 NwaCegarLoop]: 3956 mSDtfsCounter, 2 mSDsluCounter, 11847 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 15803 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:02,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 15803 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:41:02,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16010 states. [2022-11-03 02:41:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16010 to 16000. [2022-11-03 02:41:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16000 states, 11490 states have (on average 1.3717145343777197) internal successors, (15761), 11739 states have internal predecessors, (15761), 3372 states have call successors, (3372), 1129 states have call predecessors, (3372), 1137 states have return successors, (3597), 3313 states have call predecessors, (3597), 3371 states have call successors, (3597) [2022-11-03 02:41:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16000 states to 16000 states and 22730 transitions. [2022-11-03 02:41:03,758 INFO L78 Accepts]: Start accepts. Automaton has 16000 states and 22730 transitions. Word has length 294 [2022-11-03 02:41:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:03,759 INFO L495 AbstractCegarLoop]: Abstraction has 16000 states and 22730 transitions. [2022-11-03 02:41:03,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (39), 2 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-03 02:41:03,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16000 states and 22730 transitions. [2022-11-03 02:41:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-11-03 02:41:03,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:03,799 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:03,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:04,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:04,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:04,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:04,413 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:04,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:04,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1146473042, now seen corresponding path program 1 times [2022-11-03 02:41:04,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:04,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5578673] [2022-11-03 02:41:04,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:04,417 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:04,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:04,418 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:04,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-03 02:41:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:07,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:07,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-03 02:41:07,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-03 02:41:07,935 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:07,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5578673] [2022-11-03 02:41:07,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5578673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:07,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [743241408] [2022-11-03 02:41:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:07,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:07,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:41:07,939 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:41:07,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-03 02:41:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:10,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2389 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 02:41:10,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:10,902 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-11-03 02:41:10,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:10,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [743241408] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:10,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:10,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5, 5] total 16 [2022-11-03 02:41:10,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767968706] [2022-11-03 02:41:10,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:10,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:41:10,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:10,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:41:10,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-03 02:41:10,905 INFO L87 Difference]: Start difference. First operand 16000 states and 22730 transitions. Second operand has 10 states, 10 states have (on average 15.9) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 02:41:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:12,525 INFO L93 Difference]: Finished difference Result 31874 states and 45823 transitions. [2022-11-03 02:41:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-03 02:41:12,526 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) Word has length 291 [2022-11-03 02:41:12,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:12,614 INFO L225 Difference]: With dead ends: 31874 [2022-11-03 02:41:12,615 INFO L226 Difference]: Without dead ends: 16058 [2022-11-03 02:41:12,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 874 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:41:12,674 INFO L413 NwaCegarLoop]: 3978 mSDtfsCounter, 17 mSDsluCounter, 31763 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 35741 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:12,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 35741 Invalid, 110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:41:12,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16058 states. [2022-11-03 02:41:13,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16058 to 16036. [2022-11-03 02:41:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16036 states, 11517 states have (on average 1.370322132499783) internal successors, (15782), 11766 states have internal predecessors, (15782), 3375 states have call successors, (3375), 1129 states have call predecessors, (3375), 1143 states have return successors, (3609), 3322 states have call predecessors, (3609), 3374 states have call successors, (3609) [2022-11-03 02:41:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16036 states to 16036 states and 22766 transitions. [2022-11-03 02:41:13,711 INFO L78 Accepts]: Start accepts. Automaton has 16036 states and 22766 transitions. Word has length 291 [2022-11-03 02:41:13,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:13,713 INFO L495 AbstractCegarLoop]: Abstraction has 16036 states and 22766 transitions. [2022-11-03 02:41:13,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 8 states have internal predecessors, (159), 3 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (37), 5 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-03 02:41:13,714 INFO L276 IsEmpty]: Start isEmpty. Operand 16036 states and 22766 transitions. [2022-11-03 02:41:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-03 02:41:13,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:13,747 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:13,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:14,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:14,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:41:14,170 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:14,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1732343350, now seen corresponding path program 1 times [2022-11-03 02:41:14,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:14,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723192721] [2022-11-03 02:41:14,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:14,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:14,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:14,175 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:14,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-03 02:41:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:17,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:17,181 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-03 02:41:17,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-03 02:41:17,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:17,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723192721] [2022-11-03 02:41:17,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723192721] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:17,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [20478927] [2022-11-03 02:41:17,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:17,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:17,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:41:17,725 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:41:17,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2022-11-03 02:41:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:23,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-03 02:41:23,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:24,055 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2022-11-03 02:41:24,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [20478927] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112893071] [2022-11-03 02:41:24,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:24,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:41:24,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:41:24,059 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:41:24,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-03 02:41:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:26,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-03 02:41:26,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:27,986 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2022-11-03 02:41:27,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:27,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112893071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:27,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-03 02:41:27,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5, 5] total 21 [2022-11-03 02:41:27,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653257048] [2022-11-03 02:41:27,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:27,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 02:41:27,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:27,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 02:41:27,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=373, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:41:27,990 INFO L87 Difference]: Start difference. First operand 16036 states and 22766 transitions. Second operand has 15 states, 15 states have (on average 11.266666666666667) internal successors, (169), 12 states have internal predecessors, (169), 4 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-03 02:41:30,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:30,369 INFO L93 Difference]: Finished difference Result 31940 states and 45877 transitions. [2022-11-03 02:41:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:41:30,370 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.266666666666667) internal successors, (169), 12 states have internal predecessors, (169), 4 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 4 states have call successors, (40) Word has length 307 [2022-11-03 02:41:30,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:30,441 INFO L225 Difference]: With dead ends: 31940 [2022-11-03 02:41:30,441 INFO L226 Difference]: Without dead ends: 16088 [2022-11-03 02:41:30,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1512 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2022-11-03 02:41:30,496 INFO L413 NwaCegarLoop]: 3982 mSDtfsCounter, 19 mSDsluCounter, 51683 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 55665 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:30,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 55665 Invalid, 222 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:41:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16088 states. [2022-11-03 02:41:31,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16088 to 16078. [2022-11-03 02:41:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16078 states, 11550 states have (on average 1.3692640692640692) internal successors, (15815), 11799 states have internal predecessors, (15815), 3378 states have call successors, (3378), 1129 states have call predecessors, (3378), 1149 states have return successors, (3630), 3331 states have call predecessors, (3630), 3377 states have call successors, (3630) [2022-11-03 02:41:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16078 states to 16078 states and 22823 transitions. [2022-11-03 02:41:31,533 INFO L78 Accepts]: Start accepts. Automaton has 16078 states and 22823 transitions. Word has length 307 [2022-11-03 02:41:31,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:31,533 INFO L495 AbstractCegarLoop]: Abstraction has 16078 states and 22823 transitions. [2022-11-03 02:41:31,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.266666666666667) internal successors, (169), 12 states have internal predecessors, (169), 4 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (40), 7 states have call predecessors, (40), 4 states have call successors, (40) [2022-11-03 02:41:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 16078 states and 22823 transitions. [2022-11-03 02:41:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-03 02:41:31,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:31,580 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:31,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:31,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:32,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:32,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:32,195 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:32,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:32,196 INFO L85 PathProgramCache]: Analyzing trace with hash -537157305, now seen corresponding path program 1 times [2022-11-03 02:41:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:32,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055130044] [2022-11-03 02:41:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:32,198 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:32,201 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:32,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-03 02:41:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:34,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 2466 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:34,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-03 02:41:35,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-03 02:41:35,549 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:35,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055130044] [2022-11-03 02:41:35,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055130044] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:35,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [321936908] [2022-11-03 02:41:35,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:35,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:35,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:41:35,554 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:41:35,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2022-11-03 02:41:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:37,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 2466 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:37,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-03 02:41:38,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:38,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [321936908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:38,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:38,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 11 [2022-11-03 02:41:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522633204] [2022-11-03 02:41:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:38,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:41:38,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:41:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:41:38,020 INFO L87 Difference]: Start difference. First operand 16078 states and 22823 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:41:38,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:38,801 INFO L93 Difference]: Finished difference Result 32110 states and 46103 transitions. [2022-11-03 02:41:38,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:41:38,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) Word has length 319 [2022-11-03 02:41:38,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:38,862 INFO L225 Difference]: With dead ends: 32110 [2022-11-03 02:41:38,862 INFO L226 Difference]: Without dead ends: 16216 [2022-11-03 02:41:38,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 955 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-03 02:41:38,912 INFO L413 NwaCegarLoop]: 3975 mSDtfsCounter, 27 mSDsluCounter, 11863 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 15838 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:38,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 15838 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 02:41:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16216 states. [2022-11-03 02:41:39,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16216 to 16102. [2022-11-03 02:41:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16102 states, 11568 states have (on average 1.3686894882434302) internal successors, (15833), 11817 states have internal predecessors, (15833), 3378 states have call successors, (3378), 1129 states have call predecessors, (3378), 1155 states have return successors, (3654), 3337 states have call predecessors, (3654), 3377 states have call successors, (3654) [2022-11-03 02:41:39,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16102 states to 16102 states and 22865 transitions. [2022-11-03 02:41:39,811 INFO L78 Accepts]: Start accepts. Automaton has 16102 states and 22865 transitions. Word has length 319 [2022-11-03 02:41:39,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:39,812 INFO L495 AbstractCegarLoop]: Abstraction has 16102 states and 22865 transitions. [2022-11-03 02:41:39,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 4 states have internal predecessors, (174), 2 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-03 02:41:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 16102 states and 22865 transitions. [2022-11-03 02:41:39,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-03 02:41:39,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:39,839 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:39,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:40,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:40,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:41:40,253 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:40,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:40,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1133959178, now seen corresponding path program 1 times [2022-11-03 02:41:40,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:40,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811276774] [2022-11-03 02:41:40,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:40,256 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:40,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:40,257 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:40,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-03 02:41:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:43,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:43,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:41:43,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-03 02:41:43,654 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:43,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811276774] [2022-11-03 02:41:43,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811276774] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:43,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1868963899] [2022-11-03 02:41:43,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:43,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:43,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:41:43,655 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:41:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2022-11-03 02:41:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:45,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:41:45,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-11-03 02:41:46,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:46,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1868963899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:46,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:46,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:41:46,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376886900] [2022-11-03 02:41:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:46,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:41:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:46,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:41:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:41:46,057 INFO L87 Difference]: Start difference. First operand 16102 states and 22865 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:41:47,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:47,860 INFO L93 Difference]: Finished difference Result 41928 states and 59502 transitions. [2022-11-03 02:41:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:47,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 327 [2022-11-03 02:41:47,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:47,948 INFO L225 Difference]: With dead ends: 41928 [2022-11-03 02:41:47,949 INFO L226 Difference]: Without dead ends: 26010 [2022-11-03 02:41:47,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 978 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:41:47,992 INFO L413 NwaCegarLoop]: 6288 mSDtfsCounter, 3472 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3472 SdHoareTripleChecker+Valid, 10058 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:47,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3472 Valid, 10058 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 02:41:48,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26010 states. [2022-11-03 02:41:49,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26010 to 25988. [2022-11-03 02:41:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25988 states, 18694 states have (on average 1.3597410933989516) internal successors, (25419), 19101 states have internal predecessors, (25419), 5402 states have call successors, (5402), 1847 states have call predecessors, (5402), 1891 states have return successors, (5849), 5337 states have call predecessors, (5849), 5401 states have call successors, (5849) [2022-11-03 02:41:49,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25988 states to 25988 states and 36670 transitions. [2022-11-03 02:41:49,612 INFO L78 Accepts]: Start accepts. Automaton has 25988 states and 36670 transitions. Word has length 327 [2022-11-03 02:41:49,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:49,613 INFO L495 AbstractCegarLoop]: Abstraction has 25988 states and 36670 transitions. [2022-11-03 02:41:49,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-03 02:41:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 25988 states and 36670 transitions. [2022-11-03 02:41:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-11-03 02:41:49,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:49,664 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:49,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:49,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:50,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:50,087 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:50,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash -564937938, now seen corresponding path program 1 times [2022-11-03 02:41:50,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:50,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388280347] [2022-11-03 02:41:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:50,090 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:50,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:50,091 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:50,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-03 02:41:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:52,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:41:52,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:52,976 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:41:52,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:41:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-03 02:41:53,611 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:41:53,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388280347] [2022-11-03 02:41:53,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388280347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:41:53,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2089389494] [2022-11-03 02:41:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:53,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:41:53,613 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:41:53,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-11-03 02:41:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:41:55,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:41:55,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:41:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-11-03 02:41:55,956 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:41:55,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2089389494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:41:55,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:41:55,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:41:55,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577188214] [2022-11-03 02:41:55,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:41:55,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:41:55,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:41:55,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:41:55,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:41:55,959 INFO L87 Difference]: Start difference. First operand 25988 states and 36670 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:41:56,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:41:56,920 INFO L93 Difference]: Finished difference Result 51372 states and 72918 transitions. [2022-11-03 02:41:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:41:56,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 327 [2022-11-03 02:41:56,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:41:57,017 INFO L225 Difference]: With dead ends: 51372 [2022-11-03 02:41:57,017 INFO L226 Difference]: Without dead ends: 25568 [2022-11-03 02:41:57,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 978 GetRequests, 971 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:41:57,088 INFO L413 NwaCegarLoop]: 3871 mSDtfsCounter, 0 mSDsluCounter, 3865 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7736 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:41:57,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7736 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:41:57,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25568 states. [2022-11-03 02:41:58,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25568 to 25568. [2022-11-03 02:41:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25568 states, 18274 states have (on average 1.3450257196016198) internal successors, (24579), 18681 states have internal predecessors, (24579), 5402 states have call successors, (5402), 1847 states have call predecessors, (5402), 1891 states have return successors, (5849), 5337 states have call predecessors, (5849), 5401 states have call successors, (5849) [2022-11-03 02:41:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25568 states to 25568 states and 35830 transitions. [2022-11-03 02:41:58,791 INFO L78 Accepts]: Start accepts. Automaton has 25568 states and 35830 transitions. Word has length 327 [2022-11-03 02:41:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:41:58,791 INFO L495 AbstractCegarLoop]: Abstraction has 25568 states and 35830 transitions. [2022-11-03 02:41:58,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:41:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 25568 states and 35830 transitions. [2022-11-03 02:41:58,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-03 02:41:58,835 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:41:58,835 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:41:58,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:59,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2022-11-03 02:41:59,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:41:59,239 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:41:59,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:41:59,240 INFO L85 PathProgramCache]: Analyzing trace with hash -499833545, now seen corresponding path program 1 times [2022-11-03 02:41:59,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:41:59,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990180429] [2022-11-03 02:41:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:41:59,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:41:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:41:59,244 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:41:59,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-03 02:42:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:02,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:02,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:42:02,191 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-03 02:42:02,777 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:02,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990180429] [2022-11-03 02:42:02,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990180429] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:02,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1235088785] [2022-11-03 02:42:02,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:02,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:02,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:42:02,779 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:42:02,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-03 02:42:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:05,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:05,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-11-03 02:42:05,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:05,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1235088785] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:05,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:42:05,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:42:05,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575370335] [2022-11-03 02:42:05,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:05,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:05,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:05,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:05,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:42:05,304 INFO L87 Difference]: Start difference. First operand 25568 states and 35830 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:06,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:06,325 INFO L93 Difference]: Finished difference Result 50922 states and 72008 transitions. [2022-11-03 02:42:06,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:06,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 329 [2022-11-03 02:42:06,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:06,433 INFO L225 Difference]: With dead ends: 50922 [2022-11-03 02:42:06,433 INFO L226 Difference]: Without dead ends: 25538 [2022-11-03 02:42:06,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 984 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:42:06,492 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 38 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 7694 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:06,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 7694 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:42:06,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25538 states. [2022-11-03 02:42:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25538 to 25538. [2022-11-03 02:42:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25538 states, 18244 states have (on average 1.3444968208726156) internal successors, (24529), 18651 states have internal predecessors, (24529), 5402 states have call successors, (5402), 1847 states have call predecessors, (5402), 1891 states have return successors, (5849), 5337 states have call predecessors, (5849), 5401 states have call successors, (5849) [2022-11-03 02:42:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 35780 transitions. [2022-11-03 02:42:07,505 INFO L78 Accepts]: Start accepts. Automaton has 25538 states and 35780 transitions. Word has length 329 [2022-11-03 02:42:07,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:07,506 INFO L495 AbstractCegarLoop]: Abstraction has 25538 states and 35780 transitions. [2022-11-03 02:42:07,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 25538 states and 35780 transitions. [2022-11-03 02:42:07,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-03 02:42:07,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:07,533 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:07,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:07,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:07,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:07,934 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:07,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1035521343, now seen corresponding path program 1 times [2022-11-03 02:42:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:07,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347205000] [2022-11-03 02:42:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:07,937 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-03 02:42:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:10,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:10,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:11,002 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:42:11,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:11,592 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-03 02:42:11,594 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:11,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347205000] [2022-11-03 02:42:11,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347205000] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:11,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1957310324] [2022-11-03 02:42:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:11,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:11,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:42:11,596 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:42:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-11-03 02:42:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:14,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:42:14,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:14,094 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2022-11-03 02:42:14,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:14,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1957310324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:14,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:42:14,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2022-11-03 02:42:14,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431874242] [2022-11-03 02:42:14,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:14,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:42:14,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:14,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:42:14,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:42:14,097 INFO L87 Difference]: Start difference. First operand 25538 states and 35780 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:15,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:15,229 INFO L93 Difference]: Finished difference Result 50842 states and 71838 transitions. [2022-11-03 02:42:15,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:42:15,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 329 [2022-11-03 02:42:15,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:15,310 INFO L225 Difference]: With dead ends: 50842 [2022-11-03 02:42:15,311 INFO L226 Difference]: Without dead ends: 25488 [2022-11-03 02:42:15,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 984 GetRequests, 977 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:42:15,376 INFO L413 NwaCegarLoop]: 3852 mSDtfsCounter, 0 mSDsluCounter, 3844 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7696 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:15,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7696 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:42:15,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25488 states. [2022-11-03 02:42:16,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25488 to 25478. [2022-11-03 02:42:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25478 states, 18184 states have (on average 1.3406841179058513) internal successors, (24379), 18591 states have internal predecessors, (24379), 5402 states have call successors, (5402), 1847 states have call predecessors, (5402), 1891 states have return successors, (5849), 5337 states have call predecessors, (5849), 5401 states have call successors, (5849) [2022-11-03 02:42:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25478 states to 25478 states and 35630 transitions. [2022-11-03 02:42:16,342 INFO L78 Accepts]: Start accepts. Automaton has 25478 states and 35630 transitions. Word has length 329 [2022-11-03 02:42:16,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:16,342 INFO L495 AbstractCegarLoop]: Abstraction has 25478 states and 35630 transitions. [2022-11-03 02:42:16,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 25478 states and 35630 transitions. [2022-11-03 02:42:16,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-03 02:42:16,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:16,368 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:16,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:16,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:16,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:16,769 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:16,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:16,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1177135761, now seen corresponding path program 1 times [2022-11-03 02:42:16,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:16,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235868409] [2022-11-03 02:42:16,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:16,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:16,773 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:16,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-03 02:42:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:19,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:19,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-11-03 02:42:19,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2022-11-03 02:42:20,394 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235868409] [2022-11-03 02:42:20,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235868409] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [450744070] [2022-11-03 02:42:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:20,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:42:20,399 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:42:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-11-03 02:42:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:22,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2497 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:42:22,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-03 02:42:23,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:42:23,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [450744070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:42:23,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-03 02:42:23,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 5] total 13 [2022-11-03 02:42:23,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313719811] [2022-11-03 02:42:23,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:42:23,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:42:23,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:23,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:42:23,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:42:23,136 INFO L87 Difference]: Start difference. First operand 25478 states and 35630 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:24,633 INFO L93 Difference]: Finished difference Result 50882 states and 71833 transitions. [2022-11-03 02:42:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:42:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 331 [2022-11-03 02:42:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:24,741 INFO L225 Difference]: With dead ends: 50882 [2022-11-03 02:42:24,741 INFO L226 Difference]: Without dead ends: 25588 [2022-11-03 02:42:24,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 992 GetRequests, 979 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2022-11-03 02:42:24,823 INFO L413 NwaCegarLoop]: 3863 mSDtfsCounter, 6 mSDsluCounter, 19264 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 23127 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:24,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 23127 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 02:42:24,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25588 states. [2022-11-03 02:42:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25588 to 25538. [2022-11-03 02:42:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25538 states, 18234 states have (on average 1.3397499177360974) internal successors, (24429), 18641 states have internal predecessors, (24429), 5402 states have call successors, (5402), 1847 states have call predecessors, (5402), 1901 states have return successors, (5909), 5347 states have call predecessors, (5909), 5401 states have call successors, (5909) [2022-11-03 02:42:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25538 states to 25538 states and 35740 transitions. [2022-11-03 02:42:25,918 INFO L78 Accepts]: Start accepts. Automaton has 25538 states and 35740 transitions. Word has length 331 [2022-11-03 02:42:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:25,919 INFO L495 AbstractCegarLoop]: Abstraction has 25538 states and 35740 transitions. [2022-11-03 02:42:25,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 6 states have internal predecessors, (182), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:42:25,919 INFO L276 IsEmpty]: Start isEmpty. Operand 25538 states and 35740 transitions. [2022-11-03 02:42:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-11-03 02:42:25,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:25,944 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:25,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:26,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:26,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:42:26,344 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:26,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1605591214, now seen corresponding path program 1 times [2022-11-03 02:42:26,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:26,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948934939] [2022-11-03 02:42:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:26,347 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:26,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:26,348 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:26,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-03 02:42:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:29,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:29,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:42:29,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:29,925 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-11-03 02:42:29,925 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:42:29,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948934939] [2022-11-03 02:42:29,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948934939] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:29,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1188729129] [2022-11-03 02:42:29,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:29,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:42:29,927 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:42:29,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-03 02:42:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:35,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:35,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:42:36,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-11-03 02:42:36,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1188729129] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:36,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265519550] [2022-11-03 02:42:36,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:42:36,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:42:36,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:42:36,368 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:42:36,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-11-03 02:42:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:42:38,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 02:42:38,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:42:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 273 proven. 1 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-03 02:42:38,509 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:42:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2022-11-03 02:42:39,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265519550] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:42:39,007 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:42:39,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 11 [2022-11-03 02:42:39,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163376451] [2022-11-03 02:42:39,008 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:42:39,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:42:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:42:39,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:42:39,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:42:39,010 INFO L87 Difference]: Start difference. First operand 25538 states and 35740 transitions. Second operand has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 11 states have internal predecessors, (284), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-03 02:42:41,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:42:41,008 INFO L93 Difference]: Finished difference Result 51097 states and 72160 transitions. [2022-11-03 02:42:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-03 02:42:41,009 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 11 states have internal predecessors, (284), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 319 [2022-11-03 02:42:41,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:42:41,127 INFO L225 Difference]: With dead ends: 51097 [2022-11-03 02:42:41,127 INFO L226 Difference]: Without dead ends: 25562 [2022-11-03 02:42:41,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1920 GetRequests, 1900 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:42:41,220 INFO L413 NwaCegarLoop]: 3848 mSDtfsCounter, 40 mSDsluCounter, 23050 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 26898 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:42:41,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 26898 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:42:41,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25562 states. [2022-11-03 02:42:42,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25562 to 25562. [2022-11-03 02:42:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25562 states, 18256 states have (on average 1.3395048203330413) internal successors, (24454), 18663 states have internal predecessors, (24454), 5402 states have call successors, (5402), 1849 states have call predecessors, (5402), 1903 states have return successors, (5909), 5347 states have call predecessors, (5909), 5401 states have call successors, (5909) [2022-11-03 02:42:42,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25562 states to 25562 states and 35765 transitions. [2022-11-03 02:42:42,500 INFO L78 Accepts]: Start accepts. Automaton has 25562 states and 35765 transitions. Word has length 319 [2022-11-03 02:42:42,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:42:42,501 INFO L495 AbstractCegarLoop]: Abstraction has 25562 states and 35765 transitions. [2022-11-03 02:42:42,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.818181818181817) internal successors, (284), 11 states have internal predecessors, (284), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-11-03 02:42:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 25562 states and 35765 transitions. [2022-11-03 02:42:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-11-03 02:42:42,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:42:42,562 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:42:42,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-03 02:42:42,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-11-03 02:42:43,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2022-11-03 02:42:43,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:42:43,175 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:42:43,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:42:43,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1113439753, now seen corresponding path program 2 times [2022-11-03 02:42:43,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:42:43,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895789589] [2022-11-03 02:42:43,178 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:42:43,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:42:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:42:43,179 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:42:43,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-03 02:43:20,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:43:20,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:43:20,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:43:20,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:43:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 305 proven. 10 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-03 02:43:20,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:43:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-11-03 02:43:21,912 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:43:21,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895789589] [2022-11-03 02:43:21,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895789589] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:43:21,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1426110865] [2022-11-03 02:43:21,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:43:21,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:43:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:43:21,915 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:43:21,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2022-11-03 02:43:49,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:43:49,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:43:49,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:43:49,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:43:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 305 proven. 10 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-11-03 02:43:49,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:43:49,895 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 536 trivial. 0 not checked. [2022-11-03 02:43:49,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1426110865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:43:49,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908889171] [2022-11-03 02:43:49,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-03 02:43:49,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:43:49,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:43:49,898 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:43:49,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-03 02:44:02,350 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-03 02:44:02,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:44:02,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 02:44:02,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-11-03 02:44:03,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:44:03,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908889171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:44:03,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2022-11-03 02:44:03,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 8, 8, 8] total 22 [2022-11-03 02:44:03,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575037766] [2022-11-03 02:44:03,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:44:03,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:44:03,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:44:03,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:44:03,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=386, Unknown=0, NotChecked=0, Total=462 [2022-11-03 02:44:03,722 INFO L87 Difference]: Start difference. First operand 25562 states and 35765 transitions. Second operand has 10 states, 10 states have (on average 17.3) internal successors, (173), 9 states have internal predecessors, (173), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 7 states have call predecessors, (42), 7 states have call successors, (42) [2022-11-03 02:44:06,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:06,243 INFO L93 Difference]: Finished difference Result 53918 states and 76824 transitions. [2022-11-03 02:44:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-03 02:44:06,244 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 9 states have internal predecessors, (173), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 7 states have call predecessors, (42), 7 states have call successors, (42) Word has length 324 [2022-11-03 02:44:06,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:06,357 INFO L225 Difference]: With dead ends: 53918 [2022-11-03 02:44:06,357 INFO L226 Difference]: Without dead ends: 28554 [2022-11-03 02:44:06,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1619 GetRequests, 1595 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=95, Invalid=555, Unknown=0, NotChecked=0, Total=650 [2022-11-03 02:44:06,439 INFO L413 NwaCegarLoop]: 4388 mSDtfsCounter, 569 mSDsluCounter, 34535 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 38923 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:06,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 38923 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 02:44:06,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28554 states. [2022-11-03 02:44:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28554 to 25754. [2022-11-03 02:44:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25754 states, 18388 states have (on average 1.3379377855122907) internal successors, (24602), 18801 states have internal predecessors, (24602), 5446 states have call successors, (5446), 1865 states have call predecessors, (5446), 1919 states have return successors, (5994), 5391 states have call predecessors, (5994), 5445 states have call successors, (5994) [2022-11-03 02:44:07,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25754 states to 25754 states and 36042 transitions. [2022-11-03 02:44:07,967 INFO L78 Accepts]: Start accepts. Automaton has 25754 states and 36042 transitions. Word has length 324 [2022-11-03 02:44:07,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:07,968 INFO L495 AbstractCegarLoop]: Abstraction has 25754 states and 36042 transitions. [2022-11-03 02:44:07,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 9 states have internal predecessors, (173), 7 states have call successors, (43), 2 states have call predecessors, (43), 5 states have return successors, (42), 7 states have call predecessors, (42), 7 states have call successors, (42) [2022-11-03 02:44:07,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25754 states and 36042 transitions. [2022-11-03 02:44:07,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2022-11-03 02:44:07,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:07,998 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 9, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:44:08,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-11-03 02:44:08,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2022-11-03 02:44:08,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-03 02:44:08,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:44:08,611 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:44:08,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:08,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1241047047, now seen corresponding path program 1 times [2022-11-03 02:44:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:44:08,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1841472489] [2022-11-03 02:44:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:08,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:44:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:44:08,615 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:44:08,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-03 02:44:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:11,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:44:11,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:12,194 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 305 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:44:12,194 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:44:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-11-03 02:44:13,165 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:44:13,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1841472489] [2022-11-03 02:44:13,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1841472489] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:44:13,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [383142332] [2022-11-03 02:44:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:13,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-03 02:44:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 [2022-11-03 02:44:13,167 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-03 02:44:13,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2022-11-03 02:44:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:19,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:44:19,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:19,459 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 305 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:44:19,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:44:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-11-03 02:44:20,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [383142332] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:44:20,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85723170] [2022-11-03 02:44:20,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:20,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:44:20,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:44:20,003 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:44:20,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-11-03 02:44:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:44:22,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 02:44:22,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:44:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 305 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-11-03 02:44:22,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:44:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 34 proven. 22 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2022-11-03 02:44:23,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85723170] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:44:23,560 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-03 02:44:23,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 8, 8] total 20 [2022-11-03 02:44:23,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571176441] [2022-11-03 02:44:23,561 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-03 02:44:23,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 02:44:23,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:44:23,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 02:44:23,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2022-11-03 02:44:23,564 INFO L87 Difference]: Start difference. First operand 25754 states and 36042 transitions. Second operand has 20 states, 20 states have (on average 15.05) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 02:44:27,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:44:27,359 INFO L93 Difference]: Finished difference Result 51589 states and 72868 transitions. [2022-11-03 02:44:27,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-03 02:44:27,361 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 15.05) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 336 [2022-11-03 02:44:27,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:44:27,492 INFO L225 Difference]: With dead ends: 51589 [2022-11-03 02:44:27,492 INFO L226 Difference]: Without dead ends: 25793 [2022-11-03 02:44:27,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2024 GetRequests, 1992 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=369, Invalid=753, Unknown=0, NotChecked=0, Total=1122 [2022-11-03 02:44:27,574 INFO L413 NwaCegarLoop]: 3849 mSDtfsCounter, 56 mSDsluCounter, 26920 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 30769 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:44:27,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 30769 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-03 02:44:27,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25793 states. [2022-11-03 02:44:28,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25793 to 25791. [2022-11-03 02:44:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25791 states, 18425 states have (on average 1.337313432835821) internal successors, (24640), 18838 states have internal predecessors, (24640), 5446 states have call successors, (5446), 1865 states have call predecessors, (5446), 1919 states have return successors, (5994), 5391 states have call predecessors, (5994), 5445 states have call successors, (5994) [2022-11-03 02:44:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25791 states to 25791 states and 36080 transitions. [2022-11-03 02:44:28,939 INFO L78 Accepts]: Start accepts. Automaton has 25791 states and 36080 transitions. Word has length 336 [2022-11-03 02:44:28,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:44:28,940 INFO L495 AbstractCegarLoop]: Abstraction has 25791 states and 36080 transitions. [2022-11-03 02:44:28,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 15.05) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (76), 2 states have call predecessors, (76), 5 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-11-03 02:44:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 25791 states and 36080 transitions. [2022-11-03 02:44:28,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-03 02:44:28,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:44:28,979 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 13, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:44:29,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-11-03 02:44:29,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-11-03 02:44:29,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2022-11-03 02:44:29,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/cvc4 --incremental --print-success --lang smt [2022-11-03 02:44:29,595 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:44:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:44:29,596 INFO L85 PathProgramCache]: Analyzing trace with hash 291318761, now seen corresponding path program 1 times [2022-11-03 02:44:29,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:44:29,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131095758] [2022-11-03 02:44:29,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:44:29,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:44:29,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:44:29,599 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:44:29,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5e3d492-a532-49a9-9e43-f218134619c4/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process