./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:39:00,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:39:00,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:39:00,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:39:00,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:39:00,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:39:00,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:39:00,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:39:00,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:39:00,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:39:00,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:39:00,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:39:00,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:39:00,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:39:00,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:39:00,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:39:00,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:39:00,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:39:00,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:39:00,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:39:00,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:39:00,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:39:00,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:39:00,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:39:00,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:39:00,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:39:00,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:39:00,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:39:00,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:39:00,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:39:00,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:39:00,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:39:00,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:39:00,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:39:00,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:39:00,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:39:00,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:39:00,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:39:00,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:39:00,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:39:00,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:39:00,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:39:00,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:39:00,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:39:00,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:39:00,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:39:00,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:39:00,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:39:00,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:39:00,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:39:00,765 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:39:00,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:39:00,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:39:00,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:39:00,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:39:00,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:39:00,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:39:00,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:39:00,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:39:00,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:39:00,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:39:00,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:39:00,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:39:00,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:00,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:39:00,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:39:00,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:39:00,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:39:00,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:39:00,771 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:39:00,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:39:00,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:39:00,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:39:00,773 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_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af [2021-11-13 18:39:01,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:39:01,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:39:01,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:39:01,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:39:01,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:39:01,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 18:39:01,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/data/9d6b03403/e1542d0488ba4e57912f74ed78255c87/FLAG5f867e710 [2021-11-13 18:39:02,398 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:39:02,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 18:39:02,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/data/9d6b03403/e1542d0488ba4e57912f74ed78255c87/FLAG5f867e710 [2021-11-13 18:39:02,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/data/9d6b03403/e1542d0488ba4e57912f74ed78255c87 [2021-11-13 18:39:02,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:39:02,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:39:02,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:02,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:39:02,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:39:02,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:02" (1/1) ... [2021-11-13 18:39:02,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5286a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:02, skipping insertion in model container [2021-11-13 18:39:02,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:39:02" (1/1) ... [2021-11-13 18:39:02,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:39:02,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:39:03,680 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-11-13 18:39:03,683 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-11-13 18:39:04,740 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2021-11-13 18:39:08,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:39:09,124 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:39:09,275 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-11-13 18:39:09,276 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-11-13 18:39:09,294 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2021-11-13 18:39:10,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:39:10,553 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:39:10,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10 WrapperNode [2021-11-13 18:39:10,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:39:10,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:39:10,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:39:10,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:39:10,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:10,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:11,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:39:11,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:39:11,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:39:11,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:39:11,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:11,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:11,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:11,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:12,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:12,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:12,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:12,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:39:12,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:39:12,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:39:12,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:39:12,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (1/1) ... [2021-11-13 18:39:12,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:39:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:39:12,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:39:12,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd541108-7c9a-4df0-b47d-d0d5c3d3a244/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:39:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:39:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:39:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-13 18:39:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-13 18:39:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-13 18:39:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-13 18:39:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-13 18:39:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-13 18:39:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-13 18:39:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-13 18:39:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-13 18:39:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-13 18:39:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-13 18:39:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-13 18:39:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-13 18:39:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-13 18:39:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-13 18:39:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:39:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:39:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-13 18:39:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-13 18:39:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-13 18:39:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-13 18:39:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-13 18:39:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-13 18:39:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-13 18:39:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-13 18:39:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-13 18:39:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-13 18:39:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-13 18:39:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-13 18:39:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-13 18:39:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-13 18:39:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-13 18:39:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-13 18:39:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-13 18:39:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-13 18:39:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-13 18:39:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-13 18:39:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-13 18:39:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-13 18:39:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-13 18:39:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-13 18:39:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-13 18:39:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-13 18:39:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-13 18:39:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-13 18:39:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-13 18:39:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-13 18:39:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:39:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:39:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-13 18:39:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-13 18:39:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-13 18:39:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-13 18:39:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-13 18:39:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-13 18:39:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-13 18:39:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-13 18:39:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-13 18:39:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-13 18:39:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-13 18:39:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-13 18:39:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-13 18:39:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-13 18:39:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-13 18:39:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-13 18:39:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-13 18:39:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-13 18:39:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-13 18:39:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-13 18:39:12,580 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-13 18:39:12,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-13 18:39:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-13 18:39:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-13 18:39:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-13 18:39:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-13 18:39:12,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-13 18:39:12,581 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-13 18:39:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-13 18:39:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-13 18:39:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-13 18:39:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-13 18:39:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-13 18:39:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:39:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-13 18:39:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-13 18:39:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-13 18:39:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-13 18:39:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-13 18:39:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-13 18:39:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-13 18:39:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-13 18:39:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-13 18:39:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-13 18:39:12,586 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-13 18:39:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-13 18:39:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-13 18:39:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-13 18:39:12,588 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-13 18:39:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-13 18:39:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-13 18:39:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-13 18:39:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-13 18:39:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-13 18:39:12,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-13 18:39:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-13 18:39:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-13 18:39:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-13 18:39:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-13 18:39:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-13 18:39:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:39:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:39:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-13 18:39:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-13 18:39:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-13 18:39:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-13 18:39:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:39:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-13 18:39:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-13 18:39:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-13 18:39:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-13 18:39:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-13 18:39:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-13 18:39:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:39:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:39:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-13 18:39:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-13 18:39:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-13 18:39:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-13 18:39:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-13 18:39:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-13 18:39:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:39:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-13 18:39:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-13 18:39:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:39:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-13 18:39:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-13 18:39:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-13 18:39:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-13 18:39:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-13 18:39:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-13 18:39:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:39:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:39:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-13 18:39:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-13 18:39:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-13 18:39:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-13 18:39:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-13 18:39:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-13 18:39:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:39:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:39:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-13 18:39:12,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-13 18:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-13 18:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-13 18:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-13 18:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-13 18:39:12,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-13 18:39:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-13 18:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-13 18:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-13 18:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-13 18:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-13 18:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-13 18:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-13 18:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-13 18:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-13 18:39:12,651 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-13 18:39:12,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-13 18:39:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-13 18:39:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-13 18:39:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-13 18:39:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-13 18:39:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-13 18:39:12,652 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-13 18:39:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-13 18:39:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-13 18:39:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-13 18:39:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:39:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-13 18:39:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-13 18:39:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-13 18:39:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:39:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-13 18:39:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-13 18:39:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-13 18:39:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-13 18:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 18:39:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 18:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-13 18:39:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-13 18:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-13 18:39:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-13 18:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-13 18:39:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-13 18:39:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-13 18:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-13 18:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-13 18:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-13 18:39:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-13 18:39:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-13 18:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-13 18:39:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-13 18:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-13 18:39:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-13 18:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:39:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-13 18:39:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-13 18:39:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:39:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:39:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-13 18:39:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-13 18:39:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-13 18:39:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-13 18:39:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-13 18:39:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-13 18:39:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-13 18:39:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-13 18:39:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:39:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:39:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-13 18:39:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-13 18:39:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:39:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:39:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:39:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:39:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-13 18:39:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-13 18:39:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-13 18:39:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-13 18:39:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:39:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-13 18:39:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-13 18:39:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-13 18:39:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-13 18:39:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-13 18:39:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-13 18:39:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-13 18:39:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-13 18:39:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-13 18:39:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-13 18:39:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-13 18:39:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-13 18:39:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-13 18:39:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-13 18:39:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-13 18:39:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-13 18:39:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-13 18:39:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-13 18:39:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-13 18:39:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-13 18:39:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-13 18:39:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-13 18:39:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-13 18:39:12,666 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-13 18:39:12,666 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-13 18:39:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-13 18:39:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:39:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:39:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-13 18:39:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-13 18:39:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:39:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:39:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-13 18:39:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-13 18:39:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-13 18:39:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-13 18:39:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-13 18:39:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-13 18:39:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-13 18:39:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-13 18:39:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-13 18:39:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-13 18:39:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:39:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:39:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:39:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:39:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-13 18:39:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-13 18:39:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-13 18:39:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-13 18:39:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:39:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:39:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-13 18:39:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-13 18:39:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-13 18:39:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-13 18:39:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-13 18:39:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-13 18:39:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-13 18:39:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-13 18:39:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-13 18:39:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-13 18:39:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-13 18:39:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-13 18:39:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-13 18:39:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-13 18:39:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-13 18:39:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-13 18:39:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-13 18:39:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-13 18:39:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:39:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-13 18:39:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-13 18:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-13 18:39:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-13 18:39:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-13 18:39:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-13 18:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-13 18:39:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-13 18:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-13 18:39:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-13 18:39:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-13 18:39:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-13 18:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-13 18:39:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-13 18:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-13 18:39:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-13 18:39:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-13 18:39:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-13 18:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-13 18:39:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-13 18:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-13 18:39:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-13 18:39:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-13 18:39:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-13 18:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-13 18:39:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-13 18:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-13 18:39:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-13 18:39:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-13 18:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-13 18:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-13 18:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-13 18:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 18:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 18:39:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-13 18:39:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-13 18:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 18:39:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 18:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-13 18:39:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-13 18:39:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-13 18:39:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-13 18:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-13 18:39:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-13 18:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-13 18:39:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-13 18:39:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-13 18:39:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-13 18:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-13 18:39:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-13 18:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-13 18:39:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-13 18:39:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-13 18:39:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-13 18:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-13 18:39:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-13 18:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-13 18:39:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-13 18:39:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-13 18:39:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-13 18:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-13 18:39:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-13 18:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-13 18:39:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-13 18:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:39:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:39:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-13 18:39:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-13 18:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-13 18:39:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-13 18:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:39:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:39:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-13 18:39:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-13 18:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-13 18:39:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-13 18:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:39:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-13 18:39:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-13 18:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-13 18:39:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-13 18:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:39:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-13 18:39:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-13 18:39:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-13 18:39:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-13 18:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-13 18:39:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-13 18:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-13 18:39:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-13 18:39:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-13 18:39:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-13 18:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-13 18:39:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-13 18:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-13 18:39:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-13 18:39:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-13 18:39:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-13 18:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-13 18:39:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-13 18:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-13 18:39:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-13 18:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-13 18:39:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-13 18:39:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-13 18:39:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-13 18:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-13 18:39:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-13 18:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-13 18:39:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-13 18:39:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-13 18:39:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-13 18:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-13 18:39:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-13 18:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-13 18:39:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-13 18:39:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-13 18:39:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-13 18:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-13 18:39:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-13 18:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-13 18:39:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-13 18:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-13 18:39:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-13 18:39:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-13 18:39:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-13 18:39:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:39:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-13 18:39:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-13 18:39:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-13 18:39:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 18:39:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 18:39:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-13 18:39:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-13 18:39:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-13 18:39:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-13 18:39:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-13 18:39:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-13 18:39:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-13 18:39:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-13 18:39:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-13 18:39:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-13 18:39:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:39:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:39:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:39:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-13 18:39:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-13 18:39:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-13 18:39:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-13 18:39:12,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-13 18:39:12,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-13 18:39:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-13 18:39:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-13 18:39:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-13 18:39:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-13 18:39:12,698 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-13 18:39:12,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-13 18:39:14,514 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:40:21,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:40:21,364 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:40:21,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:40:21 BoogieIcfgContainer [2021-11-13 18:40:21,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:40:21,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:40:21,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:40:21,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:40:21,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:39:02" (1/3) ... [2021-11-13 18:40:21,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbe7f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:40:21, skipping insertion in model container [2021-11-13 18:40:21,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:39:10" (2/3) ... [2021-11-13 18:40:21,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cbe7f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:40:21, skipping insertion in model container [2021-11-13 18:40:21,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:40:21" (3/3) ... [2021-11-13 18:40:21,381 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-13 18:40:21,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:40:21,387 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:40:21,463 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:40:21,471 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:40:21,471 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:40:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 4932 states, 3488 states have (on average 1.3735665137614679) internal successors, (4791), 3562 states have internal predecessors, (4791), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) [2021-11-13 18:40:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-13 18:40:21,628 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:40:21,629 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2021-11-13 18:40:21,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:40:21,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:40:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash -483038813, now seen corresponding path program 1 times [2021-11-13 18:40:21,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:40:21,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494767644] [2021-11-13 18:40:21,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:40:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:40:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:40:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:40:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:40:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:40:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:40:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:40:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:40:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:40:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:40:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:40:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-13 18:40:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:40:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:40:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-13 18:40:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 18:40:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:40:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:40:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:40:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:40:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:40:23,620 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-13 18:40:23,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:40:23,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494767644] [2021-11-13 18:40:23,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494767644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:40:23,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:40:23,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:40:23,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460151243] [2021-11-13 18:40:23,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:40:23,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:40:23,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:40:23,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:40:23,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:40:23,675 INFO L87 Difference]: Start difference. First operand has 4932 states, 3488 states have (on average 1.3735665137614679) internal successors, (4791), 3562 states have internal predecessors, (4791), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:40:25,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:28,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:48,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:50,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:52,684 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:54,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:55,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:40:58,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:00,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:03,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:11,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:13,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:14,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:17,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:20,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:25,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:29,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:31,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:38,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:41:38,188 INFO L93 Difference]: Finished difference Result 16295 states and 24509 transitions. [2021-11-13 18:41:38,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:41:38,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2021-11-13 18:41:38,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:41:38,348 INFO L225 Difference]: With dead ends: 16295 [2021-11-13 18:41:38,348 INFO L226 Difference]: Without dead ends: 11309 [2021-11-13 18:41:38,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:41:38,406 INFO L933 BasicCegarLoop]: 7457 mSDtfsCounter, 17349 mSDsluCounter, 10843 mSDsCounter, 0 mSdLazyCounter, 8964 mSolverCounterSat, 11166 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67115.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18457 SdHoareTripleChecker+Valid, 18300 SdHoareTripleChecker+Invalid, 20143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 258.63ms SdHoareTripleChecker+Time, 11166 IncrementalHoareTripleChecker+Valid, 8964 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72990.37ms IncrementalHoareTripleChecker+Time [2021-11-13 18:41:38,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18457 Valid, 18300 Invalid, 20143 Unknown, 0 Unchecked, 258.63ms Time], IncrementalHoareTripleChecker [11166 Valid, 8964 Invalid, 13 Unknown, 0 Unchecked, 72990.37ms Time] [2021-11-13 18:41:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11309 states. [2021-11-13 18:41:39,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11309 to 9648. [2021-11-13 18:41:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9648 states, 6843 states have (on average 1.3694286131813531) internal successors, (9371), 6965 states have internal predecessors, (9371), 2340 states have call successors, (2340), 465 states have call predecessors, (2340), 464 states have return successors, (2340), 2307 states have call predecessors, (2340), 2338 states have call successors, (2340) [2021-11-13 18:41:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9648 states to 9648 states and 14051 transitions. [2021-11-13 18:41:39,261 INFO L78 Accepts]: Start accepts. Automaton has 9648 states and 14051 transitions. Word has length 154 [2021-11-13 18:41:39,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:41:39,262 INFO L470 AbstractCegarLoop]: Abstraction has 9648 states and 14051 transitions. [2021-11-13 18:41:39,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-13 18:41:39,263 INFO L276 IsEmpty]: Start isEmpty. Operand 9648 states and 14051 transitions. [2021-11-13 18:41:39,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-13 18:41:39,296 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:41:39,297 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:41:39,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:41:39,298 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:41:39,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:41:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1092093586, now seen corresponding path program 1 times [2021-11-13 18:41:39,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:41:39,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728532558] [2021-11-13 18:41:39,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:41:39,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:41:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:41:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:41:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:41:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:41:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:41:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:41:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:41:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:41:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:41:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:41:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:41:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:41:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:41:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:41:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:41:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:41:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-13 18:41:40,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:41:40,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728532558] [2021-11-13 18:41:40,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728532558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:41:40,629 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:41:40,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:41:40,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063607916] [2021-11-13 18:41:40,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:41:40,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:41:40,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:41:40,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:41:40,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:41:40,633 INFO L87 Difference]: Start difference. First operand 9648 states and 14051 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-13 18:41:42,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:44,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:41:47,007 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:15,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:17,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:19,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:21,636 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:23,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:26,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:28,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:30,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:31,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:34,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:36,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:45,107 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:47,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:49,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:52,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:55,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:42:59,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:02,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:10,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:14,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:16,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:29,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:43:29,041 INFO L93 Difference]: Finished difference Result 31516 states and 46974 transitions. [2021-11-13 18:43:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:43:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2021-11-13 18:43:29,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:43:29,274 INFO L225 Difference]: With dead ends: 31516 [2021-11-13 18:43:29,275 INFO L226 Difference]: Without dead ends: 21889 [2021-11-13 18:43:29,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:43:29,363 INFO L933 BasicCegarLoop]: 8478 mSDtfsCounter, 9701 mSDsluCounter, 14062 mSDsCounter, 0 mSdLazyCounter, 12972 mSolverCounterSat, 4027 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 100200.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10760 SdHoareTripleChecker+Valid, 22540 SdHoareTripleChecker+Invalid, 17018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 208.51ms SdHoareTripleChecker+Time, 4027 IncrementalHoareTripleChecker+Valid, 12972 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106968.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:43:29,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10760 Valid, 22540 Invalid, 17018 Unknown, 0 Unchecked, 208.51ms Time], IncrementalHoareTripleChecker [4027 Valid, 12972 Invalid, 19 Unknown, 0 Unchecked, 106968.00ms Time] [2021-11-13 18:43:29,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2021-11-13 18:43:30,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 18635. [2021-11-13 18:43:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18635 states, 13217 states have (on average 1.3684648558674435) internal successors, (18087), 13468 states have internal predecessors, (18087), 4509 states have call successors, (4509), 911 states have call predecessors, (4509), 908 states have return successors, (4515), 4435 states have call predecessors, (4515), 4507 states have call successors, (4515) [2021-11-13 18:43:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 27111 transitions. [2021-11-13 18:43:30,921 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 27111 transitions. Word has length 140 [2021-11-13 18:43:30,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:43:30,922 INFO L470 AbstractCegarLoop]: Abstraction has 18635 states and 27111 transitions. [2021-11-13 18:43:30,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-13 18:43:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 27111 transitions. [2021-11-13 18:43:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-13 18:43:30,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:43:30,947 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-11-13 18:43:30,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:43:30,948 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:43:30,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:43:30,949 INFO L85 PathProgramCache]: Analyzing trace with hash -590618453, now seen corresponding path program 1 times [2021-11-13 18:43:30,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:43:30,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029895313] [2021-11-13 18:43:30,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:43:30,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:43:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:43:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:43:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:43:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:43:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:43:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:43:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:31,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:43:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:43:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:43:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:43:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-13 18:43:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-13 18:43:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:43:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:43:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:43:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-13 18:43:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:43:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:43:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-13 18:43:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-13 18:43:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:43:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-13 18:43:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:43:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 18:43:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-13 18:43:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:43:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-13 18:43:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-13 18:43:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:43:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-13 18:43:32,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:43:32,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029895313] [2021-11-13 18:43:32,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029895313] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:43:32,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:43:32,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:43:32,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128669899] [2021-11-13 18:43:32,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:43:32,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:43:32,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:43:32,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:43:32,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:43:32,746 INFO L87 Difference]: Start difference. First operand 18635 states and 27111 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-13 18:43:35,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:43:37,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:02,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:05,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:08,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:10,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:12,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:16,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:19,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:21,173 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:24,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:26,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:32,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:37,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:45,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:44:45,192 INFO L93 Difference]: Finished difference Result 64609 states and 97301 transitions. [2021-11-13 18:44:45,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:44:45,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 195 [2021-11-13 18:44:45,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:44:45,519 INFO L225 Difference]: With dead ends: 64609 [2021-11-13 18:44:45,519 INFO L226 Difference]: Without dead ends: 45995 [2021-11-13 18:44:45,622 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:44:45,626 INFO L933 BasicCegarLoop]: 8078 mSDtfsCounter, 18472 mSDsluCounter, 11895 mSDsCounter, 0 mSdLazyCounter, 11211 mSolverCounterSat, 12818 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63883.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19512 SdHoareTripleChecker+Valid, 19973 SdHoareTripleChecker+Invalid, 24040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 183.67ms SdHoareTripleChecker+Time, 12818 IncrementalHoareTripleChecker+Valid, 11211 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70428.11ms IncrementalHoareTripleChecker+Time [2021-11-13 18:44:45,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19512 Valid, 19973 Invalid, 24040 Unknown, 0 Unchecked, 183.67ms Time], IncrementalHoareTripleChecker [12818 Valid, 11211 Invalid, 11 Unknown, 0 Unchecked, 70428.11ms Time] [2021-11-13 18:44:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45995 states. [2021-11-13 18:44:48,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45995 to 35880. [2021-11-13 18:44:48,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35880 states, 25493 states have (on average 1.371199937237673) internal successors, (34956), 25997 states have internal predecessors, (34956), 8605 states have call successors, (8605), 1706 states have call predecessors, (8605), 1781 states have return successors, (9026), 8522 states have call predecessors, (9026), 8603 states have call successors, (9026) [2021-11-13 18:44:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35880 states to 35880 states and 52587 transitions. [2021-11-13 18:44:48,348 INFO L78 Accepts]: Start accepts. Automaton has 35880 states and 52587 transitions. Word has length 195 [2021-11-13 18:44:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:44:48,351 INFO L470 AbstractCegarLoop]: Abstraction has 35880 states and 52587 transitions. [2021-11-13 18:44:48,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-13 18:44:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 35880 states and 52587 transitions. [2021-11-13 18:44:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-13 18:44:48,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:44:48,387 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 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] [2021-11-13 18:44:48,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:44:48,387 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:44:48,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:48,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1138022280, now seen corresponding path program 1 times [2021-11-13 18:44:48,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:48,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202190460] [2021-11-13 18:44:48,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:48,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:44:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:44:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:44:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:44:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:44:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:44:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:44:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:44:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:44:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-13 18:44:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-13 18:44:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-13 18:44:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:44:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-13 18:44:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-13 18:44:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-13 18:44:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-13 18:44:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:44:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-13 18:44:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-13 18:44:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-13 18:44:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-13 18:44:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-13 18:44:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-13 18:44:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-13 18:44:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:44:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-13 18:44:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:44:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-13 18:44:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-13 18:44:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:44:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:44:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:44:50,393 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-13 18:44:50,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:44:50,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202190460] [2021-11-13 18:44:50,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202190460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:44:50,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:44:50,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:44:50,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719772292] [2021-11-13 18:44:50,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:44:50,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:44:50,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:44:50,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:44:50,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:44:50,396 INFO L87 Difference]: Start difference. First operand 35880 states and 52587 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:44:52,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:44:54,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:19,183 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:21,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:23,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:26,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:28,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:30,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:32,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:35,724 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:37,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:40,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:42,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:44,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:45,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:47,630 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:49,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:51,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:45:53,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:01,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:03,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:05,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:08,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:10,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:46:16,972 INFO L93 Difference]: Finished difference Result 102248 states and 151399 transitions. [2021-11-13 18:46:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:46:16,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 244 [2021-11-13 18:46:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:46:17,378 INFO L225 Difference]: With dead ends: 102248 [2021-11-13 18:46:17,378 INFO L226 Difference]: Without dead ends: 66389 [2021-11-13 18:46:17,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:46:17,533 INFO L933 BasicCegarLoop]: 9835 mSDtfsCounter, 11333 mSDsluCounter, 12697 mSDsCounter, 0 mSdLazyCounter, 9641 mSolverCounterSat, 7649 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77948.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12189 SdHoareTripleChecker+Valid, 22532 SdHoareTripleChecker+Invalid, 17305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 147.15ms SdHoareTripleChecker+Time, 7649 IncrementalHoareTripleChecker+Valid, 9641 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83859.55ms IncrementalHoareTripleChecker+Time [2021-11-13 18:46:17,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12189 Valid, 22532 Invalid, 17305 Unknown, 0 Unchecked, 147.15ms Time], IncrementalHoareTripleChecker [7649 Valid, 9641 Invalid, 15 Unknown, 0 Unchecked, 83859.55ms Time] [2021-11-13 18:46:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66389 states. [2021-11-13 18:46:20,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66389 to 58105. [2021-11-13 18:46:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58105 states, 41462 states have (on average 1.3665766243789494) internal successors, (56661), 42281 states have internal predecessors, (56661), 13562 states have call successors, (13562), 2929 states have call predecessors, (13562), 3080 states have return successors, (14286), 13460 states have call predecessors, (14286), 13560 states have call successors, (14286) [2021-11-13 18:46:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58105 states to 58105 states and 84509 transitions. [2021-11-13 18:46:21,113 INFO L78 Accepts]: Start accepts. Automaton has 58105 states and 84509 transitions. Word has length 244 [2021-11-13 18:46:21,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:46:21,113 INFO L470 AbstractCegarLoop]: Abstraction has 58105 states and 84509 transitions. [2021-11-13 18:46:21,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:46:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 58105 states and 84509 transitions. [2021-11-13 18:46:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-13 18:46:21,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:46:21,163 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2021-11-13 18:46:21,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:46:21,163 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:46:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:46:21,164 INFO L85 PathProgramCache]: Analyzing trace with hash -157135747, now seen corresponding path program 1 times [2021-11-13 18:46:21,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:46:21,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225565618] [2021-11-13 18:46:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:46:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:46:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:46:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:46:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:46:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:46:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:46:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:46:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:46:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:46:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:46:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 18:46:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:46:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:46:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-13 18:46:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 18:46:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 18:46:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:46:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:46:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-13 18:46:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:46:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-13 18:46:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:46:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 18:46:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-13 18:46:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:46:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:46:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:46:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-13 18:46:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:46:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-11-13 18:46:22,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:46:22,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225565618] [2021-11-13 18:46:22,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225565618] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:46:22,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:46:22,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:46:22,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18443234] [2021-11-13 18:46:22,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:46:22,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:46:22,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:46:22,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:46:22,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:46:22,740 INFO L87 Difference]: Start difference. First operand 58105 states and 84509 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-13 18:46:25,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:27,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:29,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:31,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:46:58,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:00,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:02,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:05,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:07,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:09,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:11,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:13,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:15,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:17,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:19,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:21,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:23,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:29,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:32,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:34,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:37,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:39,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:41,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:43,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:45,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:51,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:53,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:55,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:47:58,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:02,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:04,487 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:48:15,656 INFO L93 Difference]: Finished difference Result 157316 states and 232204 transitions. [2021-11-13 18:48:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:48:15,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 223 [2021-11-13 18:48:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:48:16,703 INFO L225 Difference]: With dead ends: 157316 [2021-11-13 18:48:16,703 INFO L226 Difference]: Without dead ends: 99243 [2021-11-13 18:48:16,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:48:16,947 INFO L933 BasicCegarLoop]: 11000 mSDtfsCounter, 9190 mSDsluCounter, 17870 mSDsCounter, 0 mSdLazyCounter, 14656 mSolverCounterSat, 3584 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102042.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10285 SdHoareTripleChecker+Valid, 28870 SdHoareTripleChecker+Invalid, 18263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 274.27ms SdHoareTripleChecker+Time, 3584 IncrementalHoareTripleChecker+Valid, 14656 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 109314.87ms IncrementalHoareTripleChecker+Time [2021-11-13 18:48:16,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10285 Valid, 28870 Invalid, 18263 Unknown, 0 Unchecked, 274.27ms Time], IncrementalHoareTripleChecker [3584 Valid, 14656 Invalid, 23 Unknown, 0 Unchecked, 109314.87ms Time] [2021-11-13 18:48:17,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99243 states. [2021-11-13 18:48:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99243 to 86519. [2021-11-13 18:48:20,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86519 states, 61714 states have (on average 1.3656220630651068) internal successors, (84278), 62918 states have internal predecessors, (84278), 20202 states have call successors, (20202), 4401 states have call predecessors, (20202), 4602 states have return successors, (21187), 20038 states have call predecessors, (21187), 20200 states have call successors, (21187) [2021-11-13 18:48:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86519 states to 86519 states and 125667 transitions. [2021-11-13 18:48:21,256 INFO L78 Accepts]: Start accepts. Automaton has 86519 states and 125667 transitions. Word has length 223 [2021-11-13 18:48:21,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:48:21,257 INFO L470 AbstractCegarLoop]: Abstraction has 86519 states and 125667 transitions. [2021-11-13 18:48:21,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-13 18:48:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 86519 states and 125667 transitions. [2021-11-13 18:48:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-13 18:48:21,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:48:21,347 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 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] [2021-11-13 18:48:21,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:48:21,347 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:48:21,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:48:21,348 INFO L85 PathProgramCache]: Analyzing trace with hash -200620643, now seen corresponding path program 1 times [2021-11-13 18:48:21,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:48:21,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859846471] [2021-11-13 18:48:21,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:48:21,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:48:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:48:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:48:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:48:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:48:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:48:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:48:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:48:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:48:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:48:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 18:48:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:48:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:48:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-13 18:48:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 18:48:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 18:48:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:48:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:48:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 18:48:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-13 18:48:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-13 18:48:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:48:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:48:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-13 18:48:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:48:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:48:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:48:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-13 18:48:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:48:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-13 18:48:23,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:48:23,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859846471] [2021-11-13 18:48:23,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859846471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:48:23,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:48:23,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:48:23,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388620946] [2021-11-13 18:48:23,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:48:23,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:48:23,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:48:23,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:48:23,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:48:23,808 INFO L87 Difference]: Start difference. First operand 86519 states and 125667 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-13 18:48:26,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:28,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:30,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:48:59,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:01,342 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:03,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:07,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:09,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:12,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:18,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:20,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:24,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:26,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:28,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:33,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:35,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:37,943 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:40,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:42,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:45,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:47,657 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:49,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:52,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:49:55,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:04,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:06,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:50:06,686 INFO L93 Difference]: Finished difference Result 218558 states and 322108 transitions. [2021-11-13 18:50:06,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:50:06,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 239 [2021-11-13 18:50:06,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:50:07,642 INFO L225 Difference]: With dead ends: 218558 [2021-11-13 18:50:07,642 INFO L226 Difference]: Without dead ends: 132071 [2021-11-13 18:50:07,917 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:50:07,918 INFO L933 BasicCegarLoop]: 12438 mSDtfsCounter, 12312 mSDsluCounter, 14799 mSDsCounter, 0 mSdLazyCounter, 11428 mSolverCounterSat, 7886 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89805.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13415 SdHoareTripleChecker+Valid, 27237 SdHoareTripleChecker+Invalid, 19334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 175.13ms SdHoareTripleChecker+Time, 7886 IncrementalHoareTripleChecker+Valid, 11428 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97729.28ms IncrementalHoareTripleChecker+Time [2021-11-13 18:50:07,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13415 Valid, 27237 Invalid, 19334 Unknown, 0 Unchecked, 175.13ms Time], IncrementalHoareTripleChecker [7886 Valid, 11428 Invalid, 20 Unknown, 0 Unchecked, 97729.28ms Time] [2021-11-13 18:50:08,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132071 states. [2021-11-13 18:50:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132071 to 114957. [2021-11-13 18:50:12,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114957 states, 81982 states have (on average 1.3650679417433096) internal successors, (111911), 83571 states have internal predecessors, (111911), 26842 states have call successors, (26842), 5881 states have call predecessors, (26842), 6132 states have return successors, (28078), 26616 states have call predecessors, (28078), 26840 states have call successors, (28078) [2021-11-13 18:50:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114957 states to 114957 states and 166831 transitions. [2021-11-13 18:50:13,357 INFO L78 Accepts]: Start accepts. Automaton has 114957 states and 166831 transitions. Word has length 239 [2021-11-13 18:50:13,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:50:13,358 INFO L470 AbstractCegarLoop]: Abstraction has 114957 states and 166831 transitions. [2021-11-13 18:50:13,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-13 18:50:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 114957 states and 166831 transitions. [2021-11-13 18:50:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-13 18:50:13,478 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:50:13,478 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-13 18:50:13,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:50:13,479 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:50:13,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:50:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash -830654934, now seen corresponding path program 1 times [2021-11-13 18:50:13,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:50:13,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530845569] [2021-11-13 18:50:13,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:50:13,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:50:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:50:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-13 18:50:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-13 18:50:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:50:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-13 18:50:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-13 18:50:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-13 18:50:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-13 18:50:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:50:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-13 18:50:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:50:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-13 18:50:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-13 18:50:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-13 18:50:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-13 18:50:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-13 18:50:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:50:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:50:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-13 18:50:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-13 18:50:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:50:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:50:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:14,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:50:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-13 18:50:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:50:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-13 18:50:15,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:50:15,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530845569] [2021-11-13 18:50:15,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530845569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:50:15,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:50:15,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 18:50:15,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509863116] [2021-11-13 18:50:15,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:50:15,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:50:15,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:50:15,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:50:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:50:15,464 INFO L87 Difference]: Start difference. First operand 114957 states and 166831 transitions. Second operand has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-13 18:50:17,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:20,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:51,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:53,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:57,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:50:59,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:01,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:04,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:06,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:07,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:10,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:12,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:22,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:24,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:26,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:28,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:30,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:51:33,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []