./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL --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 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:28:49,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:28:49,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:28:49,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:28:49,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:28:49,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:28:49,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:28:49,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:28:49,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:28:49,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:28:49,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:28:49,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:28:49,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:28:49,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:28:49,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:28:49,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:28:49,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:28:49,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:28:49,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:28:49,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:28:49,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:28:49,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:28:49,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:28:49,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:28:49,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:28:49,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:28:49,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:28:49,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:28:49,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:28:49,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:28:49,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:28:49,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:28:49,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:28:49,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:28:49,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:28:49,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:28:49,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:28:49,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:28:49,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:28:49,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:28:49,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:28:49,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-19 05:28:49,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:28:49,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:28:49,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:28:49,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:28:49,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:28:49,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:28:49,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:28:49,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:28:49,724 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:28:49,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:28:49,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:28:49,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:28:49,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:28:49,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:28:49,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:28:49,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:28:49,728 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:28:49,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:28:49,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:28:49,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:28:49,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:28:49,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:28:49,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:28:49,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:28:49,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:28:49,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:28:49,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 05:28:49,732 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:28:49,732 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:28:49,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:28:49,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:28:49,735 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_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-11-19 05:28:50,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:28:50,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:28:50,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:28:50,093 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:28:50,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:28:50,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:28:50,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/c7a4816bf/077722c3d07746a99bd1397646f41062/FLAG495e8d66c [2021-11-19 05:28:51,156 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:28:51,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:28:51,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/c7a4816bf/077722c3d07746a99bd1397646f41062/FLAG495e8d66c [2021-11-19 05:28:51,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/c7a4816bf/077722c3d07746a99bd1397646f41062 [2021-11-19 05:28:51,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:28:51,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:28:51,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:28:51,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:28:51,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:28:51,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:28:51" (1/1) ... [2021-11-19 05:28:51,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7885832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:51, skipping insertion in model container [2021-11-19 05:28:51,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:28:51" (1/1) ... [2021-11-19 05:28:51,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:28:51,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:28:53,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-11-19 05:28:53,378 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:28:53,484 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:28:53,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-11-19 05:28:53,820 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:28:54,298 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:28:54,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54 WrapperNode [2021-11-19 05:28:54,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:28:54,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:28:54,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:28:54,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:28:54,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,572 INFO L137 Inliner]: procedures = 142, calls = 839, calls flagged for inlining = 59, calls inlined = 40, statements flattened = 1649 [2021-11-19 05:28:54,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:28:54,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:28:54,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:28:54,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:28:54,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:28:54,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:28:54,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:28:54,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:28:54,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (1/1) ... [2021-11-19 05:28:54,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:28:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:28:54,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:28:54,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:28:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 05:28:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 05:28:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2021-11-19 05:28:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2021-11-19 05:28:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-19 05:28:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-19 05:28:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-19 05:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 05:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 05:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 05:28:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 05:28:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 05:28:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 05:28:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 05:28:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2021-11-19 05:28:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2021-11-19 05:28:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2021-11-19 05:28:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2021-11-19 05:28:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2021-11-19 05:28:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2021-11-19 05:28:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 05:28:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 05:28:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 05:28:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 05:28:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 05:28:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 05:28:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2021-11-19 05:28:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2021-11-19 05:28:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-19 05:28:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-19 05:28:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 05:28:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-19 05:28:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-19 05:28:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-19 05:28:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-19 05:28:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-19 05:28:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-19 05:28:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 05:28:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 05:28:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 05:28:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 05:28:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 05:28:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 05:28:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:28:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 05:28:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 05:28:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 05:28:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 05:28:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 05:28:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 05:28:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:28:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:28:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:28:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2021-11-19 05:28:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2021-11-19 05:28:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:28:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2021-11-19 05:28:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2021-11-19 05:28:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 05:28:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 05:28:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-19 05:28:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-19 05:28:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 05:28:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 05:28:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2021-11-19 05:28:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2021-11-19 05:28:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-19 05:28:54,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-19 05:28:54,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:28:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:28:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 05:28:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 05:28:54,966 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 05:28:54,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 05:28:54,967 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 05:28:54,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 05:28:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-19 05:28:54,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-19 05:28:54,968 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 05:28:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 05:28:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-19 05:28:54,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-19 05:28:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:28:54,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-19 05:28:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-19 05:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-19 05:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 05:28:54,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:28:54,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:28:55,567 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:28:55,570 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:28:56,565 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2021-11-19 05:28:56,641 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:28:56,657 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:28:58,447 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-11-19 05:28:58,447 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-11-19 05:28:58,448 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-19 05:28:58,448 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-19 05:28:58,482 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:28:58,510 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:28:58,513 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-19 05:28:58,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:58 BoogieIcfgContainer [2021-11-19 05:28:58,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:28:58,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:28:58,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:28:58,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:28:58,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:28:51" (1/3) ... [2021-11-19 05:28:58,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3699441a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:28:58, skipping insertion in model container [2021-11-19 05:28:58,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:28:54" (2/3) ... [2021-11-19 05:28:58,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3699441a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:28:58, skipping insertion in model container [2021-11-19 05:28:58,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:58" (3/3) ... [2021-11-19 05:28:58,527 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:28:58,533 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:28:58,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:28:58,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:28:58,604 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 [2021-11-19 05:28:58,605 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:28:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand has 539 states, 380 states have (on average 1.381578947368421) internal successors, (525), 393 states have internal predecessors, (525), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2021-11-19 05:28:58,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 05:28:58,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:58,651 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:58,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:28:58,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:58,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1343427639, now seen corresponding path program 1 times [2021-11-19 05:28:58,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:58,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9622168] [2021-11-19 05:28:58,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:58,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:28:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:28:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:28:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:28:59,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:28:59,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9622168] [2021-11-19 05:28:59,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9622168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:28:59,336 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:28:59,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-19 05:28:59,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102302889] [2021-11-19 05:28:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:28:59,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:28:59,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:28:59,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:28:59,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:28:59,383 INFO L87 Difference]: Start difference. First operand has 539 states, 380 states have (on average 1.381578947368421) internal successors, (525), 393 states have internal predecessors, (525), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:28:59,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:28:59,707 INFO L93 Difference]: Finished difference Result 1076 states and 1560 transitions. [2021-11-19 05:28:59,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:28:59,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-19 05:28:59,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:28:59,739 INFO L225 Difference]: With dead ends: 1076 [2021-11-19 05:28:59,739 INFO L226 Difference]: Without dead ends: 540 [2021-11-19 05:28:59,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:28:59,759 INFO L933 BasicCegarLoop]: 709 mSDtfsCounter, 301 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:28:59,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 3141 Invalid, 21 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:28:59,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-19 05:28:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 535. [2021-11-19 05:28:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 378 states have (on average 1.216931216931217) internal successors, (460), 386 states have internal predecessors, (460), 121 states have call successors, (121), 35 states have call predecessors, (121), 35 states have return successors, (119), 118 states have call predecessors, (119), 118 states have call successors, (119) [2021-11-19 05:28:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 700 transitions. [2021-11-19 05:28:59,929 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 700 transitions. Word has length 17 [2021-11-19 05:28:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:28:59,960 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 700 transitions. [2021-11-19 05:28:59,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:28:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 700 transitions. [2021-11-19 05:28:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 05:28:59,962 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:28:59,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:28:59,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 05:28:59,963 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:28:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:28:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1736454649, now seen corresponding path program 1 times [2021-11-19 05:28:59,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:28:59,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050460607] [2021-11-19 05:28:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:28:59,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:00,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:00,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050460607] [2021-11-19 05:29:00,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050460607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:00,185 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:00,185 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:29:00,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107769967] [2021-11-19 05:29:00,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:00,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:29:00,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:00,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:29:00,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:29:00,189 INFO L87 Difference]: Start difference. First operand 535 states and 700 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:29:00,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:00,305 INFO L93 Difference]: Finished difference Result 1565 states and 2072 transitions. [2021-11-19 05:29:00,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:29:00,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-19 05:29:00,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:00,323 INFO L225 Difference]: With dead ends: 1565 [2021-11-19 05:29:00,323 INFO L226 Difference]: Without dead ends: 1048 [2021-11-19 05:29:00,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:29:00,334 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 683 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:00,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [683 Valid, 1649 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:29:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-11-19 05:29:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1045. [2021-11-19 05:29:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 738 states have (on average 1.2168021680216803) internal successors, (898), 751 states have internal predecessors, (898), 238 states have call successors, (238), 68 states have call predecessors, (238), 68 states have return successors, (240), 234 states have call predecessors, (240), 235 states have call successors, (240) [2021-11-19 05:29:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1376 transitions. [2021-11-19 05:29:00,478 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1376 transitions. Word has length 17 [2021-11-19 05:29:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:00,479 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1376 transitions. [2021-11-19 05:29:00,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:29:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1376 transitions. [2021-11-19 05:29:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 05:29:00,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:00,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:00,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 05:29:00,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:00,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2004221234, now seen corresponding path program 1 times [2021-11-19 05:29:00,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:00,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232120236] [2021-11-19 05:29:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:00,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:00,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:00,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:00,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232120236] [2021-11-19 05:29:00,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232120236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:00,658 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:00,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:29:00,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201929844] [2021-11-19 05:29:00,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:00,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:29:00,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:00,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:29:00,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:29:00,661 INFO L87 Difference]: Start difference. First operand 1045 states and 1376 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:29:00,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:00,717 INFO L93 Difference]: Finished difference Result 1047 states and 1377 transitions. [2021-11-19 05:29:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:29:00,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-11-19 05:29:00,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:00,727 INFO L225 Difference]: With dead ends: 1047 [2021-11-19 05:29:00,727 INFO L226 Difference]: Without dead ends: 1036 [2021-11-19 05:29:00,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:29:00,738 INFO L933 BasicCegarLoop]: 693 mSDtfsCounter, 685 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:00,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:29:00,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2021-11-19 05:29:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1031. [2021-11-19 05:29:00,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 728 states have (on average 1.2115384615384615) internal successors, (882), 739 states have internal predecessors, (882), 236 states have call successors, (236), 67 states have call predecessors, (236), 66 states have return successors, (238), 232 states have call predecessors, (238), 234 states have call successors, (238) [2021-11-19 05:29:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1356 transitions. [2021-11-19 05:29:00,824 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1356 transitions. Word has length 18 [2021-11-19 05:29:00,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:00,825 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1356 transitions. [2021-11-19 05:29:00,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:29:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1356 transitions. [2021-11-19 05:29:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-19 05:29:00,844 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:00,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:00,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 05:29:00,845 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:00,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:00,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1305048404, now seen corresponding path program 1 times [2021-11-19 05:29:00,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:00,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623340859] [2021-11-19 05:29:00,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:00,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-19 05:29:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-19 05:29:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:01,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:01,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623340859] [2021-11-19 05:29:01,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623340859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:01,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:01,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 05:29:01,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038570189] [2021-11-19 05:29:01,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:01,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:29:01,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:01,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:29:01,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:29:01,093 INFO L87 Difference]: Start difference. First operand 1031 states and 1356 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:29:02,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:02,835 INFO L93 Difference]: Finished difference Result 2371 states and 3192 transitions. [2021-11-19 05:29:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:29:02,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2021-11-19 05:29:02,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:02,849 INFO L225 Difference]: With dead ends: 2371 [2021-11-19 05:29:02,849 INFO L226 Difference]: Without dead ends: 1352 [2021-11-19 05:29:02,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:29:02,862 INFO L933 BasicCegarLoop]: 765 mSDtfsCounter, 417 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:02,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [527 Valid, 1450 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:29:02,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2021-11-19 05:29:02,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1330. [2021-11-19 05:29:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 945 states have (on average 1.2338624338624338) internal successors, (1166), 964 states have internal predecessors, (1166), 318 states have call successors, (318), 67 states have call predecessors, (318), 66 states have return successors, (320), 312 states have call predecessors, (320), 316 states have call successors, (320) [2021-11-19 05:29:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1804 transitions. [2021-11-19 05:29:02,967 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1804 transitions. Word has length 50 [2021-11-19 05:29:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:02,967 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1804 transitions. [2021-11-19 05:29:02,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-19 05:29:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1804 transitions. [2021-11-19 05:29:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 05:29:02,976 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:02,977 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 05:29:02,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 05:29:02,977 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:02,978 INFO L85 PathProgramCache]: Analyzing trace with hash -518166049, now seen corresponding path program 1 times [2021-11-19 05:29:02,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:02,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031181950] [2021-11-19 05:29:02,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:02,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-19 05:29:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:03,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-19 05:29:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:29:03,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:03,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031181950] [2021-11-19 05:29:03,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031181950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:03,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:29:03,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:29:03,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594023528] [2021-11-19 05:29:03,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:03,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 05:29:03,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:03,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:29:03,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:29:03,190 INFO L87 Difference]: Start difference. First operand 1330 states and 1804 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 05:29:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:04,959 INFO L93 Difference]: Finished difference Result 2687 states and 3650 transitions. [2021-11-19 05:29:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:29:04,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2021-11-19 05:29:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:04,972 INFO L225 Difference]: With dead ends: 2687 [2021-11-19 05:29:04,972 INFO L226 Difference]: Without dead ends: 1358 [2021-11-19 05:29:04,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:29:04,979 INFO L933 BasicCegarLoop]: 674 mSDtfsCounter, 173 mSDsluCounter, 1347 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:04,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 2021 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-19 05:29:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2021-11-19 05:29:05,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1330. [2021-11-19 05:29:05,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 945 states have (on average 1.2317460317460318) internal successors, (1164), 966 states have internal predecessors, (1164), 317 states have call successors, (317), 68 states have call predecessors, (317), 67 states have return successors, (317), 309 states have call predecessors, (317), 313 states have call successors, (317) [2021-11-19 05:29:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1798 transitions. [2021-11-19 05:29:05,063 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1798 transitions. Word has length 72 [2021-11-19 05:29:05,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:05,064 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1798 transitions. [2021-11-19 05:29:05,064 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-19 05:29:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1798 transitions. [2021-11-19 05:29:05,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-19 05:29:05,068 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:05,069 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:29:05,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 05:29:05,069 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:05,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2140419496, now seen corresponding path program 1 times [2021-11-19 05:29:05,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:05,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315842180] [2021-11-19 05:29:05,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:05,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-19 05:29:05,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:05,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315842180] [2021-11-19 05:29:05,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315842180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:05,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344277481] [2021-11-19 05:29:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:05,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:05,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:05,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 05:29:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:06,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1551 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 05:29:06,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:06,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:29:06,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:29:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:29:06,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:29:06,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344277481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:06,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:29:06,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-11-19 05:29:06,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025711617] [2021-11-19 05:29:06,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:06,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:29:06,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:06,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:29:06,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:29:06,744 INFO L87 Difference]: Start difference. First operand 1330 states and 1798 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-19 05:29:08,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:08,404 INFO L93 Difference]: Finished difference Result 1392 states and 1878 transitions. [2021-11-19 05:29:08,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:29:08,405 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 146 [2021-11-19 05:29:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:08,416 INFO L225 Difference]: With dead ends: 1392 [2021-11-19 05:29:08,417 INFO L226 Difference]: Without dead ends: 1332 [2021-11-19 05:29:08,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:29:08,419 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 4 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:08,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 3919 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-19 05:29:08,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2021-11-19 05:29:08,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1330. [2021-11-19 05:29:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 945 states have (on average 1.2296296296296296) internal successors, (1162), 966 states have internal predecessors, (1162), 317 states have call successors, (317), 68 states have call predecessors, (317), 67 states have return successors, (317), 309 states have call predecessors, (317), 313 states have call successors, (317) [2021-11-19 05:29:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1796 transitions. [2021-11-19 05:29:08,564 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1796 transitions. Word has length 146 [2021-11-19 05:29:08,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:08,566 INFO L470 AbstractCegarLoop]: Abstraction has 1330 states and 1796 transitions. [2021-11-19 05:29:08,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-19 05:29:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1796 transitions. [2021-11-19 05:29:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:29:08,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:08,578 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:29:08,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:08,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:08,802 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:08,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:08,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1832854936, now seen corresponding path program 1 times [2021-11-19 05:29:08,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:08,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665170360] [2021-11-19 05:29:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:08,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-19 05:29:09,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:09,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665170360] [2021-11-19 05:29:09,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665170360] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:09,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130637794] [2021-11-19 05:29:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:09,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:09,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:09,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:09,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 05:29:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:09,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1556 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-19 05:29:09,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:29:10,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:29:10,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130637794] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:10,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:29:10,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2021-11-19 05:29:10,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783041221] [2021-11-19 05:29:10,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:10,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:29:10,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:10,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:29:10,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:29:10,108 INFO L87 Difference]: Start difference. First operand 1330 states and 1796 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 05:29:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:10,280 INFO L93 Difference]: Finished difference Result 2671 states and 3611 transitions. [2021-11-19 05:29:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:29:10,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 147 [2021-11-19 05:29:10,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:10,293 INFO L225 Difference]: With dead ends: 2671 [2021-11-19 05:29:10,293 INFO L226 Difference]: Without dead ends: 1351 [2021-11-19 05:29:10,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:29:10,300 INFO L933 BasicCegarLoop]: 698 mSDtfsCounter, 15 mSDsluCounter, 2771 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3469 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:10,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 3469 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:29:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2021-11-19 05:29:10,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1337. [2021-11-19 05:29:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 950 states have (on average 1.2284210526315789) internal successors, (1167), 972 states have internal predecessors, (1167), 317 states have call successors, (317), 68 states have call predecessors, (317), 69 states have return successors, (322), 310 states have call predecessors, (322), 313 states have call successors, (322) [2021-11-19 05:29:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1806 transitions. [2021-11-19 05:29:10,424 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1806 transitions. Word has length 147 [2021-11-19 05:29:10,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:10,424 INFO L470 AbstractCegarLoop]: Abstraction has 1337 states and 1806 transitions. [2021-11-19 05:29:10,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 05:29:10,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1806 transitions. [2021-11-19 05:29:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:29:10,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:10,429 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:29:10,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:10,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:10,654 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:10,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:10,654 INFO L85 PathProgramCache]: Analyzing trace with hash -480950281, now seen corresponding path program 1 times [2021-11-19 05:29:10,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:10,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895245825] [2021-11-19 05:29:10,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:10,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:29:11,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:11,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895245825] [2021-11-19 05:29:11,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895245825] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:11,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512047538] [2021-11-19 05:29:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:11,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:11,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 05:29:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:11,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 1561 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-19 05:29:11,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:11,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:29:11,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:29:12,215 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:29:12,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:12,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:12,610 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:29:12,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:12,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2021-11-19 05:29:13,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:13,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2021-11-19 05:29:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-19 05:29:13,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:29:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:29:16,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512047538] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:29:16,965 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:29:16,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 8] total 19 [2021-11-19 05:29:16,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875723033] [2021-11-19 05:29:16,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:29:16,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-19 05:29:16,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:16,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-19 05:29:16,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:29:16,968 INFO L87 Difference]: Start difference. First operand 1337 states and 1806 transitions. Second operand has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2021-11-19 05:29:23,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:23,893 INFO L93 Difference]: Finished difference Result 2440 states and 3300 transitions. [2021-11-19 05:29:23,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-19 05:29:23,894 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) Word has length 147 [2021-11-19 05:29:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:23,903 INFO L225 Difference]: With dead ends: 2440 [2021-11-19 05:29:23,904 INFO L226 Difference]: Without dead ends: 1024 [2021-11-19 05:29:23,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 313 SyntacticMatches, 12 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2021-11-19 05:29:23,912 INFO L933 BasicCegarLoop]: 693 mSDtfsCounter, 160 mSDsluCounter, 5521 mSDsCounter, 0 mSdLazyCounter, 1952 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 6214 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 617 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:23,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 6214 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1952 Invalid, 0 Unknown, 617 Unchecked, 6.6s Time] [2021-11-19 05:29:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2021-11-19 05:29:23,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1008. [2021-11-19 05:29:23,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 717 states have (on average 1.2259414225941423) internal successors, (879), 734 states have internal predecessors, (879), 226 states have call successors, (226), 63 states have call predecessors, (226), 64 states have return successors, (231), 221 states have call predecessors, (231), 224 states have call successors, (231) [2021-11-19 05:29:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1336 transitions. [2021-11-19 05:29:23,976 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1336 transitions. Word has length 147 [2021-11-19 05:29:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:23,977 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1336 transitions. [2021-11-19 05:29:23,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2021-11-19 05:29:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1336 transitions. [2021-11-19 05:29:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:29:23,981 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:23,982 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:24,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:24,205 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-19 05:29:24,206 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:24,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1300549654, now seen corresponding path program 1 times [2021-11-19 05:29:24,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:24,207 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728785611] [2021-11-19 05:29:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:24,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-19 05:29:24,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:24,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728785611] [2021-11-19 05:29:24,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728785611] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:24,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617383594] [2021-11-19 05:29:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:24,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:24,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:24,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:24,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-19 05:29:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:25,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1560 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:29:25,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 05:29:25,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:29:26,366 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-19 05:29:26,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617383594] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:29:26,366 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:29:26,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 16 [2021-11-19 05:29:26,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573415604] [2021-11-19 05:29:26,367 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:29:26,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-19 05:29:26,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:26,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-19 05:29:26,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:29:26,369 INFO L87 Difference]: Start difference. First operand 1008 states and 1336 transitions. Second operand has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) [2021-11-19 05:29:34,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:34,300 INFO L93 Difference]: Finished difference Result 2083 states and 2784 transitions. [2021-11-19 05:29:34,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-19 05:29:34,301 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) Word has length 147 [2021-11-19 05:29:34,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:34,314 INFO L225 Difference]: With dead ends: 2083 [2021-11-19 05:29:34,315 INFO L226 Difference]: Without dead ends: 1389 [2021-11-19 05:29:34,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=853, Unknown=0, NotChecked=0, Total=1122 [2021-11-19 05:29:34,322 INFO L933 BasicCegarLoop]: 915 mSDtfsCounter, 1971 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 3627 mSolverCounterSat, 1044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2102 SdHoareTripleChecker+Valid, 5469 SdHoareTripleChecker+Invalid, 4671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1044 IncrementalHoareTripleChecker+Valid, 3627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:34,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2102 Valid, 5469 Invalid, 4671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1044 Valid, 3627 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-11-19 05:29:34,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2021-11-19 05:29:34,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1364. [2021-11-19 05:29:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1364 states, 967 states have (on average 1.2223371251292658) internal successors, (1182), 989 states have internal predecessors, (1182), 302 states have call successors, (302), 92 states have call predecessors, (302), 94 states have return successors, (329), 297 states have call predecessors, (329), 300 states have call successors, (329) [2021-11-19 05:29:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1813 transitions. [2021-11-19 05:29:34,423 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1813 transitions. Word has length 147 [2021-11-19 05:29:34,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:34,424 INFO L470 AbstractCegarLoop]: Abstraction has 1364 states and 1813 transitions. [2021-11-19 05:29:34,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) [2021-11-19 05:29:34,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1813 transitions. [2021-11-19 05:29:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-19 05:29:34,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:34,428 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:34,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:34,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-11-19 05:29:34,654 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:34,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1296056406, now seen corresponding path program 1 times [2021-11-19 05:29:34,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:34,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880399298] [2021-11-19 05:29:34,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:34,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-19 05:29:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-19 05:29:35,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:35,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880399298] [2021-11-19 05:29:35,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880399298] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:35,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007576770] [2021-11-19 05:29:35,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:35,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:35,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:35,114 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-19 05:29:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:35,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 1599 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:29:35,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-19 05:29:35,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:29:35,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007576770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:29:35,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:29:35,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 10 [2021-11-19 05:29:35,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074321992] [2021-11-19 05:29:35,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:29:35,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:29:35,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:35,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:29:35,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:29:35,989 INFO L87 Difference]: Start difference. First operand 1364 states and 1813 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:29:36,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:36,088 INFO L93 Difference]: Finished difference Result 2402 states and 3217 transitions. [2021-11-19 05:29:36,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:29:36,089 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2021-11-19 05:29:36,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:36,101 INFO L225 Difference]: With dead ends: 2402 [2021-11-19 05:29:36,101 INFO L226 Difference]: Without dead ends: 1364 [2021-11-19 05:29:36,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:29:36,107 INFO L933 BasicCegarLoop]: 691 mSDtfsCounter, 2 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4142 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:36,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 4142 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:29:36,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2021-11-19 05:29:36,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1362. [2021-11-19 05:29:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1362 states, 965 states have (on average 1.2217616580310882) internal successors, (1179), 988 states have internal predecessors, (1179), 302 states have call successors, (302), 92 states have call predecessors, (302), 94 states have return successors, (329), 296 states have call predecessors, (329), 300 states have call successors, (329) [2021-11-19 05:29:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1810 transitions. [2021-11-19 05:29:36,197 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1810 transitions. Word has length 157 [2021-11-19 05:29:36,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:36,198 INFO L470 AbstractCegarLoop]: Abstraction has 1362 states and 1810 transitions. [2021-11-19 05:29:36,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:29:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1810 transitions. [2021-11-19 05:29:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-19 05:29:36,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:36,204 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:29:36,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:36,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-19 05:29:36,418 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:36,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:36,418 INFO L85 PathProgramCache]: Analyzing trace with hash -657079690, now seen corresponding path program 2 times [2021-11-19 05:29:36,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:36,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544908871] [2021-11-19 05:29:36,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:36,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-19 05:29:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:29:36,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:36,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544908871] [2021-11-19 05:29:36,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544908871] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:36,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187188097] [2021-11-19 05:29:36,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:29:36,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:36,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:36,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:36,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-19 05:29:37,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:29:37,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:29:37,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1597 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-19 05:29:37,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 05:29:38,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:29:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-19 05:29:39,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187188097] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:29:39,009 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:29:39,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 14] total 26 [2021-11-19 05:29:39,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957866698] [2021-11-19 05:29:39,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:29:39,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-19 05:29:39,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:39,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-19 05:29:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2021-11-19 05:29:39,017 INFO L87 Difference]: Start difference. First operand 1362 states and 1810 transitions. Second operand has 26 states, 25 states have (on average 9.2) internal successors, (230), 22 states have internal predecessors, (230), 14 states have call successors, (47), 14 states have call predecessors, (47), 10 states have return successors, (43), 11 states have call predecessors, (43), 12 states have call successors, (43) [2021-11-19 05:29:54,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:29:54,376 INFO L93 Difference]: Finished difference Result 3544 states and 4740 transitions. [2021-11-19 05:29:54,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-19 05:29:54,377 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.2) internal successors, (230), 22 states have internal predecessors, (230), 14 states have call successors, (47), 14 states have call predecessors, (47), 10 states have return successors, (43), 11 states have call predecessors, (43), 12 states have call successors, (43) Word has length 157 [2021-11-19 05:29:54,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:29:54,423 INFO L225 Difference]: With dead ends: 3544 [2021-11-19 05:29:54,423 INFO L226 Difference]: Without dead ends: 3455 [2021-11-19 05:29:54,428 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=944, Invalid=3088, Unknown=0, NotChecked=0, Total=4032 [2021-11-19 05:29:54,429 INFO L933 BasicCegarLoop]: 986 mSDtfsCounter, 6006 mSDsluCounter, 5942 mSDsCounter, 0 mSdLazyCounter, 7712 mSolverCounterSat, 3512 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6307 SdHoareTripleChecker+Valid, 6928 SdHoareTripleChecker+Invalid, 11224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3512 IncrementalHoareTripleChecker+Valid, 7712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:29:54,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6307 Valid, 6928 Invalid, 11224 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3512 Valid, 7712 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2021-11-19 05:29:54,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2021-11-19 05:29:54,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3386. [2021-11-19 05:29:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 2393 states have (on average 1.226076055160886) internal successors, (2934), 2454 states have internal predecessors, (2934), 768 states have call successors, (768), 214 states have call predecessors, (768), 224 states have return successors, (853), 754 states have call predecessors, (853), 766 states have call successors, (853) [2021-11-19 05:29:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4555 transitions. [2021-11-19 05:29:54,683 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4555 transitions. Word has length 157 [2021-11-19 05:29:54,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:29:54,684 INFO L470 AbstractCegarLoop]: Abstraction has 3386 states and 4555 transitions. [2021-11-19 05:29:54,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.2) internal successors, (230), 22 states have internal predecessors, (230), 14 states have call successors, (47), 14 states have call predecessors, (47), 10 states have return successors, (43), 11 states have call predecessors, (43), 12 states have call successors, (43) [2021-11-19 05:29:54,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4555 transitions. [2021-11-19 05:29:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-19 05:29:54,689 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:29:54,689 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-19 05:29:54,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:29:54,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-19 05:29:54,911 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:29:54,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:29:54,912 INFO L85 PathProgramCache]: Analyzing trace with hash 507809139, now seen corresponding path program 1 times [2021-11-19 05:29:54,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:29:54,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545764035] [2021-11-19 05:29:54,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:54,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:29:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:29:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:29:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:29:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:29:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:29:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:29:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:29:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:29:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:29:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:29:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:29:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:29:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:29:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-19 05:29:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:29:55,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:29:55,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545764035] [2021-11-19 05:29:55,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545764035] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:29:55,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905774479] [2021-11-19 05:29:55,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:29:55,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:29:55,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:29:55,438 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:29:55,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-19 05:29:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:29:55,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-19 05:29:55,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:29:56,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:29:56,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:29:56,431 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:29:56,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:56,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:56,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:56,782 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:29:56,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:56,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:29:56,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:29:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 70 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-19 05:29:56,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:29:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:29:57,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905774479] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:29:57,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:29:57,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 8] total 17 [2021-11-19 05:29:57,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630860389] [2021-11-19 05:29:57,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:29:57,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-19 05:29:57,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:29:57,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-19 05:29:57,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:29:57,422 INFO L87 Difference]: Start difference. First operand 3386 states and 4555 transitions. Second operand has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-19 05:30:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:01,481 INFO L93 Difference]: Finished difference Result 5887 states and 7901 transitions. [2021-11-19 05:30:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-19 05:30:01,482 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) Word has length 158 [2021-11-19 05:30:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:01,506 INFO L225 Difference]: With dead ends: 5887 [2021-11-19 05:30:01,507 INFO L226 Difference]: Without dead ends: 2739 [2021-11-19 05:30:01,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 340 SyntacticMatches, 9 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:30:01,521 INFO L933 BasicCegarLoop]: 683 mSDtfsCounter, 162 mSDsluCounter, 3836 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 4519 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 293 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:01,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 4519 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1438 Invalid, 0 Unknown, 293 Unchecked, 3.8s Time] [2021-11-19 05:30:01,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2021-11-19 05:30:01,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2739. [2021-11-19 05:30:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 1935 states have (on average 1.2227390180878552) internal successors, (2366), 1984 states have internal predecessors, (2366), 611 states have call successors, (611), 185 states have call predecessors, (611), 192 states have return successors, (672), 599 states have call predecessors, (672), 609 states have call successors, (672) [2021-11-19 05:30:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3649 transitions. [2021-11-19 05:30:01,688 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3649 transitions. Word has length 158 [2021-11-19 05:30:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:01,689 INFO L470 AbstractCegarLoop]: Abstraction has 2739 states and 3649 transitions. [2021-11-19 05:30:01,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 12 states have internal predecessors, (109), 6 states have call successors, (29), 6 states have call predecessors, (29), 5 states have return successors, (21), 7 states have call predecessors, (21), 6 states have call successors, (21) [2021-11-19 05:30:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3649 transitions. [2021-11-19 05:30:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-19 05:30:01,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:01,694 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:30:01,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:01,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-19 05:30:01,922 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:01,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1436807920, now seen corresponding path program 1 times [2021-11-19 05:30:01,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:01,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508756819] [2021-11-19 05:30:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:01,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-19 05:30:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-19 05:30:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 05:30:02,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:02,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508756819] [2021-11-19 05:30:02,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508756819] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:02,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843449166] [2021-11-19 05:30:02,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:02,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:02,366 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:02,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-19 05:30:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:02,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 05:30:02,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:03,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:30:03,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:30:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 05:30:03,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:30:04,075 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 05:30:04,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843449166] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:04,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:30:04,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 8] total 12 [2021-11-19 05:30:04,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959707432] [2021-11-19 05:30:04,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:04,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:30:04,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:04,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:30:04,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:30:04,081 INFO L87 Difference]: Start difference. First operand 2739 states and 3649 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:30:05,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:05,507 INFO L93 Difference]: Finished difference Result 2872 states and 3811 transitions. [2021-11-19 05:30:05,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:30:05,508 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 168 [2021-11-19 05:30:05,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:05,532 INFO L225 Difference]: With dead ends: 2872 [2021-11-19 05:30:05,532 INFO L226 Difference]: Without dead ends: 2739 [2021-11-19 05:30:05,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:30:05,536 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 7 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3319 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:05,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 3319 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-19 05:30:05,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2021-11-19 05:30:05,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2739. [2021-11-19 05:30:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 1935 states have (on average 1.2217054263565892) internal successors, (2364), 1984 states have internal predecessors, (2364), 611 states have call successors, (611), 185 states have call predecessors, (611), 192 states have return successors, (672), 599 states have call predecessors, (672), 609 states have call successors, (672) [2021-11-19 05:30:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3647 transitions. [2021-11-19 05:30:05,707 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3647 transitions. Word has length 168 [2021-11-19 05:30:05,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:05,708 INFO L470 AbstractCegarLoop]: Abstraction has 2739 states and 3647 transitions. [2021-11-19 05:30:05,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:30:05,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3647 transitions. [2021-11-19 05:30:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 05:30:05,713 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:05,713 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:30:05,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:05,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:05,930 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:05,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:05,930 INFO L85 PathProgramCache]: Analyzing trace with hash 2032139182, now seen corresponding path program 1 times [2021-11-19 05:30:05,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:05,930 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313931501] [2021-11-19 05:30:05,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:05,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-19 05:30:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 05:30:06,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:06,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313931501] [2021-11-19 05:30:06,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313931501] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:06,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469256453] [2021-11-19 05:30:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:06,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:06,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:06,350 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-19 05:30:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:06,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1627 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-19 05:30:06,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:07,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:30:07,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:30:07,536 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:30:07,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:30:07,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:07,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:30:07,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:07,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-11-19 05:30:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-19 05:30:07,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:30:07,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469256453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:07,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:30:07,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 14 [2021-11-19 05:30:07,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284418968] [2021-11-19 05:30:07,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:07,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:30:07,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:07,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:30:07,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:30:07,716 INFO L87 Difference]: Start difference. First operand 2739 states and 3647 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-19 05:30:09,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:09,790 INFO L93 Difference]: Finished difference Result 4566 states and 6040 transitions. [2021-11-19 05:30:09,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:30:09,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 169 [2021-11-19 05:30:09,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:09,809 INFO L225 Difference]: With dead ends: 4566 [2021-11-19 05:30:09,809 INFO L226 Difference]: Without dead ends: 2127 [2021-11-19 05:30:09,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 203 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:30:09,819 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 8 mSDsluCounter, 3207 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 102 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:09,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3908 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 102 Unchecked, 2.0s Time] [2021-11-19 05:30:09,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2021-11-19 05:30:09,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2114. [2021-11-19 05:30:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 1492 states have (on average 1.21514745308311) internal successors, (1813), 1530 states have internal predecessors, (1813), 455 states have call successors, (455), 159 states have call predecessors, (455), 166 states have return successors, (495), 447 states have call predecessors, (495), 453 states have call successors, (495) [2021-11-19 05:30:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2763 transitions. [2021-11-19 05:30:09,957 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2763 transitions. Word has length 169 [2021-11-19 05:30:09,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:09,958 INFO L470 AbstractCegarLoop]: Abstraction has 2114 states and 2763 transitions. [2021-11-19 05:30:09,959 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2021-11-19 05:30:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2763 transitions. [2021-11-19 05:30:09,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-19 05:30:09,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:09,971 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:10,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:10,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-19 05:30:10,186 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:10,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:10,186 INFO L85 PathProgramCache]: Analyzing trace with hash -418909399, now seen corresponding path program 1 times [2021-11-19 05:30:10,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:10,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111182979] [2021-11-19 05:30:10,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:10,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-19 05:30:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-19 05:30:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 05:30:10,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:10,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111182979] [2021-11-19 05:30:10,641 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111182979] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:10,642 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802775343] [2021-11-19 05:30:10,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:10,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:10,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:10,646 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:10,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-19 05:30:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:11,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-19 05:30:11,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:11,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 05:30:11,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2021-11-19 05:30:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-19 05:30:11,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:30:11,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802775343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:11,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:30:11,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2021-11-19 05:30:11,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193892041] [2021-11-19 05:30:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:11,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:30:11,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:11,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:30:11,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2021-11-19 05:30:11,678 INFO L87 Difference]: Start difference. First operand 2114 states and 2763 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:30:13,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:13,968 INFO L93 Difference]: Finished difference Result 2222 states and 2893 transitions. [2021-11-19 05:30:13,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:30:13,969 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) Word has length 179 [2021-11-19 05:30:13,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:13,986 INFO L225 Difference]: With dead ends: 2222 [2021-11-19 05:30:13,986 INFO L226 Difference]: Without dead ends: 2127 [2021-11-19 05:30:13,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2021-11-19 05:30:13,990 INFO L933 BasicCegarLoop]: 680 mSDtfsCounter, 11 mSDsluCounter, 6024 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6704 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:13,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 6704 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:30:13,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2127 states. [2021-11-19 05:30:14,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2127 to 2119. [2021-11-19 05:30:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1497 states have (on average 1.214428857715431) internal successors, (1818), 1534 states have internal predecessors, (1818), 455 states have call successors, (455), 159 states have call predecessors, (455), 166 states have return successors, (495), 448 states have call predecessors, (495), 453 states have call successors, (495) [2021-11-19 05:30:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2768 transitions. [2021-11-19 05:30:14,105 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2768 transitions. Word has length 179 [2021-11-19 05:30:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:14,106 INFO L470 AbstractCegarLoop]: Abstraction has 2119 states and 2768 transitions. [2021-11-19 05:30:14,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:30:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2768 transitions. [2021-11-19 05:30:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-19 05:30:14,111 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:14,111 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:14,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:14,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:14,326 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:14,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1191246487, now seen corresponding path program 2 times [2021-11-19 05:30:14,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:14,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013172777] [2021-11-19 05:30:14,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:14,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-19 05:30:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-19 05:30:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 05:30:14,740 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:14,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013172777] [2021-11-19 05:30:14,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013172777] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:14,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275939432] [2021-11-19 05:30:14,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:30:14,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:14,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:14,742 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:14,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-19 05:30:15,257 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:30:15,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:30:15,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1655 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-19 05:30:15,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:16,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:30:16,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:30:16,048 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 05:30:16,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:30:16,493 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-19 05:30:16,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275939432] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:16,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:30:16,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 8] total 12 [2021-11-19 05:30:16,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985597144] [2021-11-19 05:30:16,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:16,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:30:16,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:16,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:30:16,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:30:16,496 INFO L87 Difference]: Start difference. First operand 2119 states and 2768 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 05:30:18,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:18,793 INFO L93 Difference]: Finished difference Result 2185 states and 2827 transitions. [2021-11-19 05:30:18,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:30:18,794 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2021-11-19 05:30:18,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:18,810 INFO L225 Difference]: With dead ends: 2185 [2021-11-19 05:30:18,810 INFO L226 Difference]: Without dead ends: 2090 [2021-11-19 05:30:18,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 392 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:30:18,813 INFO L933 BasicCegarLoop]: 678 mSDtfsCounter, 7 mSDsluCounter, 3176 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3854 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:18,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 3854 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:30:18,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2021-11-19 05:30:18,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2085. [2021-11-19 05:30:18,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1477 states have (on average 1.2166553825321598) internal successors, (1797), 1515 states have internal predecessors, (1797), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2021-11-19 05:30:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2709 transitions. [2021-11-19 05:30:18,928 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2709 transitions. Word has length 179 [2021-11-19 05:30:18,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:18,929 INFO L470 AbstractCegarLoop]: Abstraction has 2085 states and 2709 transitions. [2021-11-19 05:30:18,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 05:30:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2709 transitions. [2021-11-19 05:30:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-19 05:30:18,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:18,934 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:30:18,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:19,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-19 05:30:19,150 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:19,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:19,150 INFO L85 PathProgramCache]: Analyzing trace with hash -2008576199, now seen corresponding path program 1 times [2021-11-19 05:30:19,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:19,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801727656] [2021-11-19 05:30:19,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:19,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:30:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:30:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:30:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:30:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-19 05:30:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-19 05:30:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 05:30:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-19 05:30:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-19 05:30:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-19 05:30:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-19 05:30:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:19,728 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 05:30:19,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:19,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801727656] [2021-11-19 05:30:19,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801727656] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:19,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239866] [2021-11-19 05:30:19,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:19,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:19,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:19,730 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:19,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-19 05:30:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:20,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:30:20,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 05:30:20,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:30:20,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:20,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:30:20,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2021-11-19 05:30:20,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270820970] [2021-11-19 05:30:20,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:21,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:30:21,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:21,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:30:21,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:30:21,001 INFO L87 Difference]: Start difference. First operand 2085 states and 2709 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 05:30:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:21,295 INFO L93 Difference]: Finished difference Result 2105 states and 2727 transitions. [2021-11-19 05:30:21,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:30:21,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 251 [2021-11-19 05:30:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:21,312 INFO L225 Difference]: With dead ends: 2105 [2021-11-19 05:30:21,312 INFO L226 Difference]: Without dead ends: 2095 [2021-11-19 05:30:21,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:30:21,315 INFO L933 BasicCegarLoop]: 843 mSDtfsCounter, 857 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:21,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [857 Valid, 1535 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 05:30:21,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2021-11-19 05:30:21,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2085. [2021-11-19 05:30:21,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1477 states have (on average 1.2159783344617467) internal successors, (1796), 1515 states have internal predecessors, (1796), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2021-11-19 05:30:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2708 transitions. [2021-11-19 05:30:21,445 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2708 transitions. Word has length 251 [2021-11-19 05:30:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:21,446 INFO L470 AbstractCegarLoop]: Abstraction has 2085 states and 2708 transitions. [2021-11-19 05:30:21,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 05:30:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2708 transitions. [2021-11-19 05:30:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-19 05:30:21,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:21,452 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:21,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:21,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-19 05:30:21,671 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:21,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:21,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1361083749, now seen corresponding path program 1 times [2021-11-19 05:30:21,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:21,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723687818] [2021-11-19 05:30:21,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:21,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:21,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:30:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:30:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:30:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:30:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-19 05:30:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-19 05:30:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 05:30:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-19 05:30:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-19 05:30:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-19 05:30:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-19 05:30:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 05:30:22,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:22,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723687818] [2021-11-19 05:30:22,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723687818] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:22,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921783606] [2021-11-19 05:30:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:22,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:22,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:22,214 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:22,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-19 05:30:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:22,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 2429 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:30:22,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 05:30:23,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:30:23,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921783606] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:23,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:30:23,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2021-11-19 05:30:23,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530198233] [2021-11-19 05:30:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:23,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:30:23,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:23,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:30:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:30:23,322 INFO L87 Difference]: Start difference. First operand 2085 states and 2708 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 05:30:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:23,733 INFO L93 Difference]: Finished difference Result 3848 states and 5009 transitions. [2021-11-19 05:30:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:30:23,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 256 [2021-11-19 05:30:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:23,746 INFO L225 Difference]: With dead ends: 3848 [2021-11-19 05:30:23,746 INFO L226 Difference]: Without dead ends: 2089 [2021-11-19 05:30:23,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:30:23,754 INFO L933 BasicCegarLoop]: 889 mSDtfsCounter, 373 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:23,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1488 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:30:23,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-11-19 05:30:23,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2085. [2021-11-19 05:30:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1477 states have (on average 1.2146242383209207) internal successors, (1794), 1515 states have internal predecessors, (1794), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2021-11-19 05:30:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2706 transitions. [2021-11-19 05:30:23,880 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2706 transitions. Word has length 256 [2021-11-19 05:30:23,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:23,881 INFO L470 AbstractCegarLoop]: Abstraction has 2085 states and 2706 transitions. [2021-11-19 05:30:23,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-19 05:30:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2706 transitions. [2021-11-19 05:30:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 05:30:23,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:23,887 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:23,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:24,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-19 05:30:24,106 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:24,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash -746650789, now seen corresponding path program 1 times [2021-11-19 05:30:24,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:24,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604143776] [2021-11-19 05:30:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:24,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:30:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:30:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:30:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:30:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-19 05:30:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-19 05:30:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 05:30:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-19 05:30:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-19 05:30:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-19 05:30:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-19 05:30:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-19 05:30:24,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-19 05:30:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 05:30:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 05:30:24,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:24,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604143776] [2021-11-19 05:30:24,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604143776] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:24,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468748293] [2021-11-19 05:30:24,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:24,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:24,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:24,690 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:24,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-19 05:30:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:25,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-19 05:30:25,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:25,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:30:25,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:30:25,750 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:30:25,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:30:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:30:25,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:30:25,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:30:25,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:30:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-19 05:30:26,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:30:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 05:30:26,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468748293] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:30:26,739 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 05:30:26,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 6] total 10 [2021-11-19 05:30:26,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028693870] [2021-11-19 05:30:26,740 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 05:30:26,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 05:30:26,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:26,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 05:30:26,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:30:26,742 INFO L87 Difference]: Start difference. First operand 2085 states and 2706 transitions. Second operand has 10 states, 10 states have (on average 17.0) internal successors, (170), 6 states have internal predecessors, (170), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) [2021-11-19 05:30:31,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:31,780 INFO L93 Difference]: Finished difference Result 3888 states and 5085 transitions. [2021-11-19 05:30:31,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 05:30:31,781 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 6 states have internal predecessors, (170), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) Word has length 276 [2021-11-19 05:30:31,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:31,792 INFO L225 Difference]: With dead ends: 3888 [2021-11-19 05:30:31,792 INFO L226 Difference]: Without dead ends: 2099 [2021-11-19 05:30:31,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 620 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-11-19 05:30:31,800 INFO L933 BasicCegarLoop]: 648 mSDtfsCounter, 271 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 391 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:31,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 3597 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1404 Invalid, 0 Unknown, 391 Unchecked, 4.8s Time] [2021-11-19 05:30:31,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2021-11-19 05:30:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2059. [2021-11-19 05:30:31,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1460 states have (on average 1.2164383561643837) internal successors, (1776), 1497 states have internal predecessors, (1776), 438 states have call successors, (438), 156 states have call predecessors, (438), 160 states have return successors, (464), 428 states have call predecessors, (464), 436 states have call successors, (464) [2021-11-19 05:30:31,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2678 transitions. [2021-11-19 05:30:31,935 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2678 transitions. Word has length 276 [2021-11-19 05:30:31,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:31,936 INFO L470 AbstractCegarLoop]: Abstraction has 2059 states and 2678 transitions. [2021-11-19 05:30:31,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.0) internal successors, (170), 6 states have internal predecessors, (170), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) [2021-11-19 05:30:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2678 transitions. [2021-11-19 05:30:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 05:30:31,942 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:31,943 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:31,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:32,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:32,166 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:32,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:32,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1282066149, now seen corresponding path program 2 times [2021-11-19 05:30:32,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:32,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926106593] [2021-11-19 05:30:32,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:32,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:30:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:30:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:30:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:30:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-19 05:30:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-19 05:30:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 05:30:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-19 05:30:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-19 05:30:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-19 05:30:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-19 05:30:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-19 05:30:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-19 05:30:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 05:30:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:32,713 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2021-11-19 05:30:32,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:32,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926106593] [2021-11-19 05:30:32,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926106593] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:32,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:30:32,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 05:30:32,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147989544] [2021-11-19 05:30:32,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:32,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 05:30:32,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:32,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 05:30:32,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:30:32,717 INFO L87 Difference]: Start difference. First operand 2059 states and 2678 transitions. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-19 05:30:36,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:36,881 INFO L93 Difference]: Finished difference Result 3837 states and 5030 transitions. [2021-11-19 05:30:36,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 05:30:36,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 276 [2021-11-19 05:30:36,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:36,891 INFO L225 Difference]: With dead ends: 3837 [2021-11-19 05:30:36,892 INFO L226 Difference]: Without dead ends: 2092 [2021-11-19 05:30:36,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:30:36,900 INFO L933 BasicCegarLoop]: 637 mSDtfsCounter, 423 mSDsluCounter, 2304 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 1684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:36,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [432 Valid, 2941 Invalid, 1684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-19 05:30:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2021-11-19 05:30:37,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2052. [2021-11-19 05:30:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2052 states, 1455 states have (on average 1.2171821305841923) internal successors, (1771), 1492 states have internal predecessors, (1771), 438 states have call successors, (438), 156 states have call predecessors, (438), 158 states have return successors, (461), 426 states have call predecessors, (461), 436 states have call successors, (461) [2021-11-19 05:30:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2670 transitions. [2021-11-19 05:30:37,029 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2670 transitions. Word has length 276 [2021-11-19 05:30:37,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:37,030 INFO L470 AbstractCegarLoop]: Abstraction has 2052 states and 2670 transitions. [2021-11-19 05:30:37,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-19 05:30:37,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2670 transitions. [2021-11-19 05:30:37,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 05:30:37,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:37,036 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:37,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 05:30:37,037 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:37,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:37,038 INFO L85 PathProgramCache]: Analyzing trace with hash -389631941, now seen corresponding path program 1 times [2021-11-19 05:30:37,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:37,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450255194] [2021-11-19 05:30:37,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:37,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-19 05:30:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-19 05:30:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-19 05:30:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-11-19 05:30:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-11-19 05:30:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-19 05:30:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-19 05:30:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-19 05:30:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-19 05:30:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-19 05:30:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-19 05:30:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-19 05:30:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-11-19 05:30:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-19 05:30:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-19 05:30:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-19 05:30:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-19 05:30:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-19 05:30:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-19 05:30:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-19 05:30:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-19 05:30:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-19 05:30:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-19 05:30:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-19 05:30:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-19 05:30:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-19 05:30:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-19 05:30:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-19 05:30:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-11-19 05:30:37,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:30:37,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450255194] [2021-11-19 05:30:37,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450255194] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 05:30:37,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149961680] [2021-11-19 05:30:37,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:37,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:37,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:37,526 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 05:30:37,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-19 05:30:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:30:38,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 2521 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 05:30:38,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:30:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2021-11-19 05:30:38,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-19 05:30:38,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149961680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:30:38,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:30:38,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2021-11-19 05:30:38,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403207735] [2021-11-19 05:30:38,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:30:38,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:30:38,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:30:38,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:30:38,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:30:38,945 INFO L87 Difference]: Start difference. First operand 2052 states and 2670 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 05:30:39,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:30:39,185 INFO L93 Difference]: Finished difference Result 3786 states and 4955 transitions. [2021-11-19 05:30:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:30:39,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 276 [2021-11-19 05:30:39,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:30:39,195 INFO L225 Difference]: With dead ends: 3786 [2021-11-19 05:30:39,195 INFO L226 Difference]: Without dead ends: 2060 [2021-11-19 05:30:39,202 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 05:30:39,203 INFO L933 BasicCegarLoop]: 650 mSDtfsCounter, 18 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:30:39,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 1899 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:30:39,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2021-11-19 05:30:39,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2060. [2021-11-19 05:30:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1462 states have (on average 1.216826265389877) internal successors, (1779), 1499 states have internal predecessors, (1779), 438 states have call successors, (438), 157 states have call predecessors, (438), 159 states have return successors, (461), 426 states have call predecessors, (461), 436 states have call successors, (461) [2021-11-19 05:30:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2678 transitions. [2021-11-19 05:30:39,313 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2678 transitions. Word has length 276 [2021-11-19 05:30:39,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:30:39,314 INFO L470 AbstractCegarLoop]: Abstraction has 2060 states and 2678 transitions. [2021-11-19 05:30:39,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-19 05:30:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2678 transitions. [2021-11-19 05:30:39,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 05:30:39,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:30:39,320 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:39,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-19 05:30:39,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 05:30:39,534 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:30:39,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:30:39,535 INFO L85 PathProgramCache]: Analyzing trace with hash -246260549, now seen corresponding path program 1 times [2021-11-19 05:30:39,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:30:39,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278482797] [2021-11-19 05:30:39,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:30:39,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:30:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:30:40,523 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:30:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:30:41,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:30:41,226 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:30:41,227 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:30:41,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 05:30:41,235 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:30:41,240 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:30:41,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:30:41 BoogieIcfgContainer [2021-11-19 05:30:41,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:30:41,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:30:41,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:30:41,710 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:30:41,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:28:58" (3/4) ... [2021-11-19 05:30:41,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:30:41,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:30:41,715 INFO L158 Benchmark]: Toolchain (without parser) took 110090.68ms. Allocated memory was 100.7MB in the beginning and 595.6MB in the end (delta: 494.9MB). Free memory was 60.0MB in the beginning and 487.9MB in the end (delta: -427.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,717 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 53.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:30:41,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2677.60ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 59.8MB in the beginning and 149.8MB in the end (delta: -90.0MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 268.14ms. Allocated memory is still 220.2MB. Free memory was 149.8MB in the beginning and 138.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,719 INFO L158 Benchmark]: Boogie Preprocessor took 246.25ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 126.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,720 INFO L158 Benchmark]: RCFGBuilder took 3696.85ms. Allocated memory is still 220.2MB. Free memory was 126.6MB in the beginning and 123.9MB in the end (delta: 2.7MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,720 INFO L158 Benchmark]: TraceAbstraction took 103188.99ms. Allocated memory was 220.2MB in the beginning and 595.6MB in the end (delta: 375.4MB). Free memory was 123.9MB in the beginning and 487.9MB in the end (delta: -364.0MB). Peak memory consumption was 339.6MB. Max. memory is 16.1GB. [2021-11-19 05:30:41,720 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 595.6MB. Free memory is still 487.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:30:41,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory was 53.9MB in the beginning and 53.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2677.60ms. Allocated memory was 100.7MB in the beginning and 220.2MB in the end (delta: 119.5MB). Free memory was 59.8MB in the beginning and 149.8MB in the end (delta: -90.0MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 268.14ms. Allocated memory is still 220.2MB. Free memory was 149.8MB in the beginning and 138.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 246.25ms. Allocated memory is still 220.2MB. Free memory was 138.3MB in the beginning and 126.6MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3696.85ms. Allocated memory is still 220.2MB. Free memory was 126.6MB in the beginning and 123.9MB in the end (delta: 2.7MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. * TraceAbstraction took 103188.99ms. Allocated memory was 220.2MB in the beginning and 595.6MB in the end (delta: 375.4MB). Free memory was 123.9MB in the beginning and 487.9MB in the end (delta: -364.0MB). Peak memory consumption was 339.6MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 595.6MB. Free memory is still 487.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6635, overapproximation of bitwiseOr at line 5696, overapproximation of shiftLeft at line 5141, overapproximation of bitwiseAnd at line 4928. Possible FailurePath: [L5170-L5181] static char const __mod_author63[40] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'V', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )' ', (char const )'P', (char const )'a', (char const )'v', (char const )'l', (char const )'i', (char const )'k', (char const )' ', (char const )'<', (char const )'v', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )'@', (char const )'s', (char const )'u', (char const )'s', (char const )'e', (char const )'.', (char const )'c', (char const )'z', (char const )'>', (char const )'\000'}; [L5182-L5197] static char const __mod_description64[53] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'T', (char const )'C', (char const )' ', (char const )'E', (char const )'L', (char const )'1', (char const )'2', (char const )'1', (char const )'0', (char const )'A', (char const )' ', (char const )'N', (char const )'e', (char const )'t', (char const )'M', (char const )'a', (char const )'t', (char const )'e', (char const )' ', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'E', (char const )'t', (char const )'h', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'t', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )'\000'}; [L5198-L5202] static char const __mod_license65[12] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )'\000'}; [L5203-L5204] static char const driver_name[5] = { (char const )'c', (char const )'a', (char const )'t', (char const )'c', (char const )'\000'}; [L6129-L6176] static struct ethtool_ops const ops = {& catc_get_settings, (int (*)(struct net_device * , struct ethtool_cmd * ))0, & catc_get_drvinfo, (int (*)(struct net_device * ))0, (void (*)(struct net_device * , struct ethtool_regs * , void * ))0, (void (*)(struct net_device * , struct ethtool_wolinfo * ))0, (int (*)(struct net_device * , struct ethtool_wolinfo * ))0, (u32 (*)(struct net_device * ))0, (void (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * ))0, & ethtool_op_get_link, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (void (*)(struct net_device * , struct ethtool_ringparam * ))0, (int (*)(struct net_device * , struct ethtool_ringparam * ))0, (void (*)(struct net_device * , struct ethtool_pauseparam * ))0, (int (*)(struct net_device * , struct ethtool_pauseparam * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (void (*)(struct net_device * , struct ethtool_test * , u64 * ))0, (void (*)(struct net_device * , u32 stringset , u8 * ))0, (int (*)(struct net_device * , enum ethtool_phys_id_state ))0, (void (*)(struct net_device * , struct ethtool_stats * , u64 * ))0, (int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * , void * ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * ))0, (int (*)(struct net_device * , struct ethtool_flash * ))0, (int (*)(struct net_device * , u32 * ))0, (int (*)(struct net_device * , struct ethtool_rx_ntuple * ))0, (int (*)(struct net_device * , u32 stringset , void * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir const * ))0, (void (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0, (int (*)(struct net_device * , struct ethtool_dump * , void * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0}; [L6231-L6269] static struct net_device_ops const catc_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & catc_open, & catc_stop, & catc_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, & catc_set_multicast_list, & eth_mac_addr, & eth_validate_addr, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, & eth_change_mtu, (int (*)(struct net_device *dev , struct neigh_parms * ))0, & catc_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6270] static struct lock_class_key __key___9 ; [L6271] static struct lock_class_key __key___10 ; [L6272] static struct lock_class_key __key___11 ; [L6684-L6692] static struct usb_device_id catc_id_table[3] = { {(__u16 )3, (__u16 )1059, (__u16 )10, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )1059, (__u16 )12, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )2257, (__u16 )1, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6695-L6710] static struct usb_driver catc_driver = {driver_name, & catc_probe, & catc_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(catc_id_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6763] int LDV_IN_INTERRUPT ; [L6764] static int res_catc_open_15 ; [L6765] static int res_catc_stop_16 ; [L6766] static int res_catc_probe_17 ; [L6959] int ldv_urb_state = 0; [L6960] int ldv_coherent_state = 0; VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6768] struct net_device *var_group1 ; [L6769] struct ethtool_drvinfo *var_group2 ; [L6770] struct ethtool_cmd *var_group3 ; [L6771] struct sk_buff *var_group4 ; [L6772] struct usb_interface *var_group5 ; [L6773] struct usb_device_id const *var_catc_probe_17_p1 ; [L6774] unsigned long var_catc_stats_timer_10_p0 ; [L6775] int tmp___7 ; [L6776] int ldv_s_catc_netdev_ops_net_device_ops ; [L6777] int ldv_s_catc_driver_usb_driver ; [L6778] int tmp___8 ; [L6779] int tmp___9 ; [L6782] LDV_IN_INTERRUPT = 1 [L6783] FCALL ldv_initialize() [L6784] CALL, EXPR catc_init() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6714] int result ; [L6715] int tmp___7 ; [L6718] CALL, EXPR usb_register(& catc_driver) [L5088] int tmp___7 ; [L5091] CALL, EXPR usb_register_driver(driver, & __this_module, "catc") [L7209] return __VERIFIER_nondet_int(); [L5091] RET, EXPR usb_register_driver(driver, & __this_module, "catc") [L5091] tmp___7 = usb_register_driver(driver, & __this_module, "catc") [L5093] return (tmp___7); VAL [\result=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver={151:0}, driver={151:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6718] RET, EXPR usb_register(& catc_driver) [L6718] tmp___7 = usb_register(& catc_driver) [L6719] result = tmp___7 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6721] COND TRUE result == 0 [L6727] return (result); VAL [\result=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6784] RET, EXPR catc_init() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_init()=0, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6784] tmp___7 = catc_init() [L6786] COND FALSE !(\read(tmp___7)) [L6790] ldv_s_catc_netdev_ops_net_device_ops = 0 [L6791] ldv_s_catc_driver_usb_driver = 0 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6793] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___9=-2] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6815] COND FALSE !(tmp___8 == 2) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6818] COND FALSE !(tmp___8 == 3) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6821] COND FALSE !(tmp___8 == 4) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6824] COND FALSE !(tmp___8 == 5) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6827] COND FALSE !(tmp___8 == 6) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6830] COND TRUE tmp___8 == 7 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2] [L6895] COND TRUE ldv_s_catc_driver_usb_driver == 0 [L6897] CALL, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6274] struct usb_device *usbdev ; [L6275] struct usb_device *tmp___7 ; [L6276] struct net_device *netdev ; [L6277] struct catc *catc ; [L6278] u8 broadcast[6] ; [L6279] int i ; [L6280] int pktsz ; [L6281] int tmp___8 ; [L6282] void *tmp___9 ; [L6283] unsigned int tmp___10 ; [L6284] unsigned int tmp___11 ; [L6285] unsigned int tmp___12 ; [L6286] unsigned int tmp___13 ; [L6287] char const *tmp___14 ; [L6288] int tmp___15 ; [L6291] CALL, EXPR interface_to_usbdev(intf) [L5065] struct device const *__mptr ; [L5067] EXPR intf->dev.parent [L5067] __mptr = (struct device const *)intf->dev.parent [L5068] return ((struct usb_device *)((char *)__mptr - (unsigned int )(& ((struct usb_device *)0)->dev))); VAL [\result={18446744073709551574:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __mptr={18446744073709551574:131}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6291] RET, EXPR interface_to_usbdev(intf) [L6291] tmp___7 = interface_to_usbdev(intf) [L6292] usbdev = tmp___7 [L6293] EXPR intf->altsetting [L6293] EXPR (intf->altsetting)->desc.bInterfaceNumber [L6293-L6294] CALL, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L7213] return __VERIFIER_nondet_int(); [L6293-L6294] RET, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6293-L6294] tmp___8 = usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6296] COND FALSE !(\read(tmp___8)) [L6304] CALL, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L7117] CALL, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(size)=2416, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7117] RET, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(arg0)=70119, \old(arg1)=1, \old(arg2)=1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arg0=70119, arg1=1, arg2=1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct net_device))={75:0}, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7117] return ldv_malloc(sizeof(struct net_device)); [L6304] RET, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6304] netdev = alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6306] COND FALSE !(! netdev) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, usbdev={18446744073709551574:0}] [L6311] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={75:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={75:-108}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={75:0}, dev={75:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6311] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, netdev_priv((struct net_device const *)netdev)={75:-108}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, usbdev={18446744073709551574:0}] [L6311] tmp___9 = netdev_priv((struct net_device const *)netdev) [L6312] catc = (struct catc *)tmp___9 [L6313] netdev->netdev_ops = & catc_netdev_ops [L6314] netdev->watchdog_timeo = 1250 [L6315] netdev->ethtool_ops = & ops [L6316] catc->usbdev = usbdev [L6317] catc->netdev = netdev VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6320] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6323] CALL spinlock_check(& catc->tx_lock) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={75:-68}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={75:-68}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={75:-68}, lock={75:-68}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6323] RET spinlock_check(& catc->tx_lock) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->tx_lock)={75:-68}, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6326] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6329-L6330] FCALL __raw_spin_lock_init(& catc->tx_lock.__annonCompField18.rlock, "&(&catc->tx_lock)->rlock", & __key___9) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6343] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6346] CALL spinlock_check(& catc->ctrl_lock) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={75:-4}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={75:-4}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={75:-4}, lock={75:-4}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6346] RET spinlock_check(& catc->ctrl_lock) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->ctrl_lock)={75:-4}, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6349] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6352-L6353] FCALL __raw_spin_lock_init(& catc->ctrl_lock.__annonCompField18.rlock, "&(&catc->ctrl_lock)->rlock", & __key___10) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6366] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6369] FCALL init_timer_key(& catc->timer, "&catc->timer", & __key___11) [L6377] catc->timer.data = (unsigned long )((long )catc) [L6378] catc->timer.function = & catc_stats_timer VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6379] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, \old(size)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-6:0}, ldv_urb_state=0, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-6:0}, ldv_urb_state=0, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-6:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-6:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, \result={-6:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-6:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-6:0}] [L6379] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usb_alloc_urb(0, 208U)={-6:0}, usbdev={18446744073709551574:0}] [L6379] catc->ctrl_urb = usb_alloc_urb(0, 208U) [L6380] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, \old(size)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-7:0}, ldv_urb_state=1, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-7:0}, ldv_urb_state=1, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-7:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-7:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, \result={-7:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-7:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-7:0}] [L6380] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usb_alloc_urb(0, 208U)={-7:0}, usbdev={18446744073709551574:0}] [L6380] catc->tx_urb = usb_alloc_urb(0, 208U) [L6381] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=2, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, \old(size)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-8:0}, ldv_urb_state=2, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-8:0}, ldv_urb_state=2, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-8:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-8:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, \result={-8:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-8:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-8:0}] [L6381] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usb_alloc_urb(0, 208U)={-8:0}, usbdev={18446744073709551574:0}] [L6381] catc->rx_urb = usb_alloc_urb(0, 208U) [L6382] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=3, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, \old(size)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-9:0}, ldv_urb_state=3, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-9:0}, ldv_urb_state=3, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-9:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-9:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, \result={-9:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arbitrary_memory={-9:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, mem_flags=208, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-9:0}] [L6382] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usb_alloc_urb(0, 208U)={-9:0}, usbdev={18446744073709551574:0}] [L6382] catc->irq_urb = usb_alloc_urb(0, 208U) [L6384] EXPR catc->ctrl_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->ctrl_urb={-6:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6384] COND FALSE !(! catc->ctrl_urb) [L6387] EXPR catc->tx_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->tx_urb={-7:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6387] COND FALSE !(! catc->tx_urb) [L6390] EXPR catc->rx_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->rx_urb={-8:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6390] COND FALSE !(! catc->rx_urb) [L6393] EXPR catc->irq_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->irq_urb={-9:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6393] COND FALSE !(! catc->irq_urb) [L6406] EXPR usbdev->descriptor.idVendor VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}, usbdev->descriptor.idVendor=89] [L6406] COND FALSE !((int )usbdev->descriptor.idVendor == 1059) [L6429] pktsz = 23070 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6432] CALL, EXPR __create_pipe(usbdev, 0U) VAL [\old(endpoint)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6432] RET, EXPR __create_pipe(usbdev, 0U) VAL [__create_pipe(usbdev, 0U)=18446744073709551541, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6432] tmp___10 = __create_pipe(usbdev, 0U) [L6433] EXPR catc->ctrl_urb [L6433-L6435] CALL usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L5103] urb->dev = dev [L5104] urb->pipe = pipe [L5105] urb->setup_packet = setup_packet [L5106] urb->transfer_buffer = transfer_buffer [L5107] urb->transfer_buffer_length = (u32 )buffer_length [L5108] urb->complete = complete_fn [L5109] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=4294967225, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=0, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:13}, complete_fn={-1:13}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967225, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, setup_packet={0:0}, setup_packet={0:0}, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={-6:0}, urb={-6:0}] [L6433-L6435] RET usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L6436] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6436] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=18446744073709551543, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6436] tmp___11 = __create_pipe(usbdev, 1U) [L6437] EXPR catc->tx_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->tx_urb={-7:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6437-L6438] CALL usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [\old(buffer_length)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:14}, context={75:-108}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, urb={-7:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=4294967240, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=0, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:14}, complete_fn={-1:14}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967240, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={-7:0}, urb={-7:0}] [L6437-L6438] RET usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->tx_urb={-7:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6439] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6439] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=18446744073709551563, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6439] tmp___12 = __create_pipe(usbdev, 1U) [L6440] EXPR catc->rx_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->rx_urb={-8:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6440-L6441] CALL usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [\old(buffer_length)=23070, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:15}, context={75:-108}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={75:46200}, urb={-8:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=23070, \old(pipe)=4294967268, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=23070, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:15}, complete_fn={-1:15}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967268, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={75:46200}, transfer_buffer={75:46200}, urb={-8:0}, urb={-8:0}] [L6440-L6441] RET usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->rx_urb={-8:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6442] CALL, EXPR __create_pipe(usbdev, 2U) VAL [\old(endpoint)=2, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6442] RET, EXPR __create_pipe(usbdev, 2U) VAL [__create_pipe(usbdev, 2U)=18446744073709551561, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6442] tmp___13 = __create_pipe(usbdev, 2U) [L6443] EXPR catc->irq_urb [L6443-L6444] CALL usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L5134] urb->dev = dev [L5135] urb->pipe = pipe [L5136] urb->transfer_buffer = transfer_buffer [L5137] urb->transfer_buffer_length = (u32 )buffer_length [L5138] urb->complete = complete_fn [L5139] urb->context = context [L5140] EXPR dev->speed VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=4294967231, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=2, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, dev->speed=4294967299, driver_name={142:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967231, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={75:69270}, transfer_buffer={75:69270}, urb={-9:0}, urb={-9:0}] [L5140] COND TRUE (unsigned int )dev->speed == 3U [L5141] urb->interval = 1 << (interval - 1) VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=4294967231, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=2, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, driver_name={142:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967231, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={75:69270}, transfer_buffer={75:69270}, urb={-9:0}, urb={-9:0}] [L5148] urb->start_frame = -1 VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=4294967231, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buffer_length=2, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={75:-108}, context={75:-108}, dev={18446744073709551574:0}, dev={18446744073709551574:0}, driver_name={142:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, pipe=4294967231, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={75:69270}, transfer_buffer={75:69270}, urb={-9:0}, urb={-9:0}] [L6443-L6444] RET usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L6446] EXPR catc->is_f5u011 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->is_f5u011=1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6446] COND FALSE !(! catc->is_f5u011) [L6599] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6607] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __create_pipe(catc->usbdev, 0U)=18446744073709551611, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=4294967291, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___8=4294967291, tmp___9=4294967277, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=4294967291, tmp___9=4294967277, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, \result=-1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={0:0}, buf={0:0}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={145:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=4294967291, tmp___9=4294967277, value=0] [L6607] RET catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0)=-1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6608] EXPR netdev->dev_addr VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, netdev->dev_addr={18446744073709551562:18446744073709551595}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6608-L6609] CALL catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND TRUE \read(dir) [L5686] EXPR catc->usbdev VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5686] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __create_pipe(catc->usbdev, 0U)=18446744073709551596, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] tmp___7 = __create_pipe(catc->usbdev, 0U) [L5687] tmp___9 = ((unsigned int )(2 << 30) | tmp___7) | 128U VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=4294967276, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___7=4294967276, tmp___9=4294967287, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___7=4294967276, tmp___9=4294967287, value=0] [L5705] return (tmp___11); VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, \result=-1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={18446744073709551562:18446744073709551595}, buf={18446744073709551562:18446744073709551595}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=128, driver_name={142:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={145:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___7=4294967276, tmp___9=4294967287, value=0] [L6608-L6609] RET catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6)=-1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, netdev->dev_addr={18446744073709551562:18446744073709551595}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6612] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6620] catc->rxmode[0] = (u8 )11 [L6621] catc->rxmode[1] = (u8 )0 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6622-L6623] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551574:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __create_pipe(catc->usbdev, 0U)=18446744073709551609, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc->usbdev={18446744073709551574:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=4294967289, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___8=4294967289, tmp___9=4294967212, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=4294967289, tmp___9=4294967212, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, \result=-1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, buf={75:70005}, buf={75:70005}, catc={75:-108}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dir=0, driver_name={142:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={145:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=4294967289, tmp___9=4294967212, value=0] [L6622-L6623] RET catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2)=-1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6627] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6634] catc->is_f5u011 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc->is_f5u011=1, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6634] COND TRUE catc->is_f5u011 [L6635] tmp___14 = "Belkin F5U011" VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___14={21:0}, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6640] EXPR usbdev->bus [L6640] (usbdev->bus)->bus_name [L6641] netdev->dev_addr [L6642] CALL usb_set_intfdata(intf, (void *)catc) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5059] CALL dev_set_drvdata(& intf->dev, data) [L7138] return __VERIFIER_nondet_int(); [L5059] RET dev_set_drvdata(& intf->dev, data) [L6642] RET usb_set_intfdata(intf, (void *)catc) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, broadcast={154:0}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, i={153:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___14={21:0}, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6643] netdev->dev.parent = & intf->dev [L6644] CALL, EXPR register_netdev(netdev) [L7187] return __VERIFIER_nondet_int(); [L6644] RET, EXPR register_netdev(netdev) [L6644] tmp___15 = register_netdev(netdev) [L6646] COND FALSE !(tmp___15 != 0) [L6658] return (0); [L6658] return (0); [L6658] return (0); VAL [\result=0, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc={75:-108}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, id={18446744073709551610:18446744073709551538}, id={18446744073709551610:18446744073709551538}, intf={18446744073709551591:0}, intf={18446744073709551591:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={75:0}, ops={145:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=4294967221, tmp___11=4294967223, tmp___12=4294967243, tmp___13=4294967241, tmp___14={21:0}, tmp___15=0, tmp___7={18446744073709551574:0}, tmp___8=0, tmp___9={75:-108}, usbdev={18446744073709551574:0}] [L6897] RET, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6897] res_catc_probe_17 = catc_probe(var_group5, var_catc_probe_17_p1) [L6898] FCALL ldv_check_return_value(res_catc_probe_17) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6900] COND FALSE !(\read(res_catc_probe_17)) [L6904] ldv_s_catc_driver_usb_driver = ldv_s_catc_driver_usb_driver + 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6793] COND TRUE 1 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-2, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6815] COND TRUE tmp___8 == 2 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group5={18446744073709551591:0}] [L6852] COND TRUE ldv_s_catc_netdev_ops_net_device_ops == 0 [L6854] CALL, EXPR catc_open(var_group1) [L6178] struct catc *catc ; [L6179] void *tmp___7 ; [L6180] int status ; VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551529:90}, netdev={18446744073709551529:90}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551529:90}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={18446744073709551529:0}, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, dev={18446744073709551529:90}, dev={18446744073709551529:90}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551529:90}, netdev={18446744073709551529:90}, netdev_priv((struct net_device const *)netdev)={18446744073709551529:0}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6184] catc = (struct catc *)tmp___7 [L6185] EXPR catc->irq_urb [L6185] EXPR catc->usbdev [L6185] (catc->irq_urb)->dev = catc->usbdev [L6186] EXPR catc->irq_urb VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc={18446744073709551529:0}, catc->irq_urb={18446744073709551594:18446744073709551549}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551529:90}, netdev={18446744073709551529:90}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551529:0}] [L6186] CALL, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [\old(arg1)=208, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, arg0={18446744073709551594:18446744073709551549}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7217] return __VERIFIER_nondet_int(); [L6186] RET, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc={18446744073709551529:0}, catc->irq_urb={18446744073709551594:18446744073709551549}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551529:90}, netdev={18446744073709551529:90}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551529:0}, usb_submit_urb(catc->irq_urb, 208U)=-11] [L6186] status = usb_submit_urb(catc->irq_urb, 208U) [L6188] COND TRUE status < 0 [L6192] return (-1); VAL [\result=-1, __key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc={18446744073709551529:0}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551529:90}, netdev={18446744073709551529:90}, ops={145:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, status=-11, tmp___7={18446744073709551529:0}] [L6854] RET, EXPR catc_open(var_group1) [L6854] res_catc_open_15 = catc_open(var_group1) [L6855] FCALL ldv_check_return_value(res_catc_open_15) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group1={18446744073709551529:90}, var_group5={18446744073709551591:0}] [L6857] COND TRUE res_catc_open_15 < 0 VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group1={18446744073709551529:90}, var_group5={18446744073709551591:0}] [L6934] CALL catc_exit() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6736] FCALL usb_deregister(& catc_driver) [L6934] RET catc_exit() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=-10, var_catc_probe_17_p1={18446744073709551610:18446744073709551538}, var_group1={18446744073709551529:90}, var_group5={18446744073709551591:0}] [L6938] CALL ldv_check_final_state() [L7081] COND FALSE !(ldv_urb_state == 0) VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L7084] CALL ldv_blast_assert() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6946] reach_error() VAL [__key___10={146:0}, __key___11={125:0}, __key___9={127:0}, __this_module={18446744073709551590:18446744073709551566}, catc_driver={151:0}, catc_id_table={129:0}, catc_netdev_ops={147:0}, driver_name={142:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={145:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 540 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.6s, OverallIterations: 22, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 59.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13380 SdHoareTripleChecker+Valid, 53.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12554 mSDsluCounter, 72859 SdHoareTripleChecker+Invalid, 48.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1403 IncrementalHoareTripleChecker+Unchecked, 57279 mSDsCounter, 5932 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19574 IncrementalHoareTripleChecker+Invalid, 26909 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5932 mSolverCounterUnsat, 15580 mSDtfsCounter, 19574 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5086 GetRequests, 4758 SyntacticMatches, 45 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1483 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, InterpolantAutomatonStates: 217, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 311 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 25.3s InterpolantComputationTime, 6352 NumberOfCodeBlocks, 6352 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 7265 ConstructedInterpolants, 145 QuantifiedInterpolants, 17343 SizeOfPredicates, 47 NumberOfNonLiveVariables, 27459 ConjunctsInSsa, 301 ConjunctsInUnsatCore, 43 InterpolantComputations, 16 PerfectInterpolantSequences, 5396/5637 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 05:30:41,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL --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 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:30:44,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:30:44,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:30:44,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:30:44,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:30:44,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:30:44,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:30:44,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:30:44,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:30:44,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:30:44,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:30:44,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:30:44,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:30:44,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:30:44,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:30:44,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:30:44,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:30:44,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:30:44,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:30:44,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:30:44,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:30:44,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:30:44,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:30:44,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:30:44,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:30:44,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:30:44,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:30:44,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:30:44,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:30:44,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:30:44,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:30:44,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:30:44,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:30:44,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:30:44,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:30:44,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:30:44,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:30:44,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:30:44,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:30:44,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:30:44,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:30:44,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-19 05:30:44,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:30:44,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:30:44,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:30:44,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:30:44,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 05:30:44,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 05:30:44,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:30:44,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:30:44,401 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:30:44,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:30:44,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:30:44,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 05:30:44,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 05:30:44,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 05:30:44,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 05:30:44,404 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 05:30:44,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:30:44,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:30:44,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 05:30:44,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:30:44,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:30:44,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 05:30:44,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:30:44,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:30:44,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 05:30:44,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 05:30:44,406 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-19 05:30:44,407 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 05:30:44,407 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-19 05:30:44,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-19 05:30:44,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 05:30:44,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:30:44,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 05:30:44,408 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2021-11-19 05:30:44,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:30:44,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:30:44,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:30:44,882 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:30:44,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:30:44,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:30:44,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/0fc0dc0a2/0b370d4986e14fa6a14685cf28e1a562/FLAG306ed7911 [2021-11-19 05:30:45,854 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:30:45,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:30:45,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/0fc0dc0a2/0b370d4986e14fa6a14685cf28e1a562/FLAG306ed7911 [2021-11-19 05:30:46,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/data/0fc0dc0a2/0b370d4986e14fa6a14685cf28e1a562 [2021-11-19 05:30:46,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:30:46,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:30:46,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:30:46,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:30:46,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:30:46,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:30:46" (1/1) ... [2021-11-19 05:30:46,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78cc052a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:46, skipping insertion in model container [2021-11-19 05:30:46,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:30:46" (1/1) ... [2021-11-19 05:30:46,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:30:46,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:30:47,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-11-19 05:30:47,958 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:30:48,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:30:48,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2021-11-19 05:30:48,376 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:30:48,736 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:30:48,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48 WrapperNode [2021-11-19 05:30:48,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:30:48,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:30:48,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:30:48,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:30:48,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:48,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:48,890 INFO L137 Inliner]: procedures = 157, calls = 839, calls flagged for inlining = 59, calls inlined = 40, statements flattened = 1597 [2021-11-19 05:30:48,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:30:48,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:30:48,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:30:48,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:30:48,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:48,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:48,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:48,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:49,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:49,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:49,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:49,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:30:49,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:30:49,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:30:49,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:30:49,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (1/1) ... [2021-11-19 05:30:49,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 05:30:49,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:30:49,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 05:30:49,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 05:30:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-19 05:30:49,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-19 05:30:49,192 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2021-11-19 05:30:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2021-11-19 05:30:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-19 05:30:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-19 05:30:49,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-19 05:30:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-19 05:30:49,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-19 05:30:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-19 05:30:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-19 05:30:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-19 05:30:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-19 05:30:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-19 05:30:49,194 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-19 05:30:49,194 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-19 05:30:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2021-11-19 05:30:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2021-11-19 05:30:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2021-11-19 05:30:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2021-11-19 05:30:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2021-11-19 05:30:49,195 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2021-11-19 05:30:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-19 05:30:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-19 05:30:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-19 05:30:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-19 05:30:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-19 05:30:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-19 05:30:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2021-11-19 05:30:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2021-11-19 05:30:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-19 05:30:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-19 05:30:49,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-19 05:30:49,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-19 05:30:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-19 05:30:49,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-19 05:30:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-19 05:30:49,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-19 05:30:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-19 05:30:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-19 05:30:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-19 05:30:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-19 05:30:49,199 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-19 05:30:49,199 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-19 05:30:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-19 05:30:49,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-19 05:30:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-19 05:30:49,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-19 05:30:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-19 05:30:49,200 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-19 05:30:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-19 05:30:49,201 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-19 05:30:49,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-19 05:30:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-19 05:30:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-19 05:30:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:30:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-19 05:30:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 05:30:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-19 05:30:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-19 05:30:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-19 05:30:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2021-11-19 05:30:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2021-11-19 05:30:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 05:30:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2021-11-19 05:30:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2021-11-19 05:30:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-19 05:30:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-19 05:30:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-19 05:30:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-19 05:30:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-19 05:30:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-19 05:30:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2021-11-19 05:30:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2021-11-19 05:30:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-19 05:30:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-19 05:30:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-19 05:30:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-19 05:30:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-19 05:30:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-19 05:30:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-19 05:30:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-19 05:30:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-19 05:30:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-19 05:30:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-19 05:30:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-19 05:30:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-19 05:30:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-19 05:30:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-19 05:30:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-19 05:30:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-19 05:30:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-19 05:30:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-19 05:30:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-19 05:30:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-19 05:30:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-19 05:30:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-19 05:30:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:30:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:30:49,689 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:30:49,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:30:55,277 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2021-11-19 05:30:55,409 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:30:55,421 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 05:31:03,518 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-11-19 05:31:03,518 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-11-19 05:31:03,518 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2021-11-19 05:31:03,518 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2021-11-19 05:31:03,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:31:03,564 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:31:03,564 INFO L301 CfgBuilder]: Removed 30 assume(true) statements. [2021-11-19 05:31:03,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:31:03 BoogieIcfgContainer [2021-11-19 05:31:03,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:31:03,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 05:31:03,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 05:31:03,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 05:31:03,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:30:46" (1/3) ... [2021-11-19 05:31:03,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2c534c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:31:03, skipping insertion in model container [2021-11-19 05:31:03,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:30:48" (2/3) ... [2021-11-19 05:31:03,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2c534c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:31:03, skipping insertion in model container [2021-11-19 05:31:03,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:31:03" (3/3) ... [2021-11-19 05:31:03,575 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2021-11-19 05:31:03,581 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 05:31:03,581 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 05:31:03,632 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 05:31:03,639 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 [2021-11-19 05:31:03,640 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 05:31:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 539 states, 380 states have (on average 1.381578947368421) internal successors, (525), 393 states have internal predecessors, (525), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2021-11-19 05:31:03,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 05:31:03,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:03,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:03,692 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:03,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1343427639, now seen corresponding path program 1 times [2021-11-19 05:31:03,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:03,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368654790] [2021-11-19 05:31:03,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:03,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:03,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:03,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:03,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-19 05:31:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:04,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 05:31:04,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:04,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:04,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:04,683 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:04,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368654790] [2021-11-19 05:31:04,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368654790] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:04,684 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:04,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-19 05:31:04,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933731330] [2021-11-19 05:31:04,687 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:04,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:31:04,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:04,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:31:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:31:04,737 INFO L87 Difference]: Start difference. First operand has 539 states, 380 states have (on average 1.381578947368421) internal successors, (525), 393 states have internal predecessors, (525), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:31:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:05,032 INFO L93 Difference]: Finished difference Result 1076 states and 1560 transitions. [2021-11-19 05:31:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:31:05,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2021-11-19 05:31:05,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:05,060 INFO L225 Difference]: With dead ends: 1076 [2021-11-19 05:31:05,060 INFO L226 Difference]: Without dead ends: 540 [2021-11-19 05:31:05,072 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:05,077 INFO L933 BasicCegarLoop]: 709 mSDtfsCounter, 301 mSDsluCounter, 2432 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 3141 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:05,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [400 Valid, 3141 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2021-11-19 05:31:05,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 535. [2021-11-19 05:31:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 378 states have (on average 1.216931216931217) internal successors, (460), 386 states have internal predecessors, (460), 121 states have call successors, (121), 35 states have call predecessors, (121), 35 states have return successors, (119), 118 states have call predecessors, (119), 118 states have call successors, (119) [2021-11-19 05:31:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 700 transitions. [2021-11-19 05:31:05,229 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 700 transitions. Word has length 17 [2021-11-19 05:31:05,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:05,229 INFO L470 AbstractCegarLoop]: Abstraction has 535 states and 700 transitions. [2021-11-19 05:31:05,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 05:31:05,230 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 700 transitions. [2021-11-19 05:31:05,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-19 05:31:05,231 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:05,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:05,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:05,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:05,443 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:05,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:05,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1736454649, now seen corresponding path program 1 times [2021-11-19 05:31:05,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:05,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1282050748] [2021-11-19 05:31:05,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:05,447 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:05,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:05,448 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:05,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-19 05:31:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:06,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:06,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:06,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:06,203 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:06,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1282050748] [2021-11-19 05:31:06,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1282050748] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:06,203 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:06,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-19 05:31:06,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883167220] [2021-11-19 05:31:06,204 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:06,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:31:06,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:06,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:31:06,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:31:06,206 INFO L87 Difference]: Start difference. First operand 535 states and 700 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:31:06,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:06,323 INFO L93 Difference]: Finished difference Result 1565 states and 2072 transitions. [2021-11-19 05:31:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:31:06,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2021-11-19 05:31:06,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:06,334 INFO L225 Difference]: With dead ends: 1565 [2021-11-19 05:31:06,334 INFO L226 Difference]: Without dead ends: 1048 [2021-11-19 05:31:06,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:31:06,339 INFO L933 BasicCegarLoop]: 973 mSDtfsCounter, 676 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:06,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 1649 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:06,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-11-19 05:31:06,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1045. [2021-11-19 05:31:06,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 738 states have (on average 1.2168021680216803) internal successors, (898), 751 states have internal predecessors, (898), 238 states have call successors, (238), 68 states have call predecessors, (238), 68 states have return successors, (240), 234 states have call predecessors, (240), 235 states have call successors, (240) [2021-11-19 05:31:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1376 transitions. [2021-11-19 05:31:06,449 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1376 transitions. Word has length 17 [2021-11-19 05:31:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:06,449 INFO L470 AbstractCegarLoop]: Abstraction has 1045 states and 1376 transitions. [2021-11-19 05:31:06,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:31:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1376 transitions. [2021-11-19 05:31:06,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 05:31:06,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:06,451 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:06,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:06,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:06,679 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:06,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:06,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2004221234, now seen corresponding path program 1 times [2021-11-19 05:31:06,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:06,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741674347] [2021-11-19 05:31:06,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:06,682 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:06,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:06,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:06,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-19 05:31:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:07,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:07,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:07,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:07,305 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:07,364 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:07,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741674347] [2021-11-19 05:31:07,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741674347] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:07,365 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:07,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-19 05:31:07,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336872492] [2021-11-19 05:31:07,366 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:07,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 05:31:07,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:07,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:31:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:31:07,367 INFO L87 Difference]: Start difference. First operand 1045 states and 1376 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:31:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:07,444 INFO L93 Difference]: Finished difference Result 1047 states and 1377 transitions. [2021-11-19 05:31:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:31:07,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2021-11-19 05:31:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:07,452 INFO L225 Difference]: With dead ends: 1047 [2021-11-19 05:31:07,452 INFO L226 Difference]: Without dead ends: 1036 [2021-11-19 05:31:07,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:31:07,455 INFO L933 BasicCegarLoop]: 693 mSDtfsCounter, 678 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:07,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:07,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2021-11-19 05:31:07,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1031. [2021-11-19 05:31:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 728 states have (on average 1.2115384615384615) internal successors, (882), 739 states have internal predecessors, (882), 236 states have call successors, (236), 67 states have call predecessors, (236), 66 states have return successors, (238), 232 states have call predecessors, (238), 234 states have call successors, (238) [2021-11-19 05:31:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1356 transitions. [2021-11-19 05:31:07,535 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1356 transitions. Word has length 18 [2021-11-19 05:31:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:07,535 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1356 transitions. [2021-11-19 05:31:07,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-19 05:31:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1356 transitions. [2021-11-19 05:31:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-19 05:31:07,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:07,540 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:07,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:07,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:07,760 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:07,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1305048404, now seen corresponding path program 1 times [2021-11-19 05:31:07,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:07,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1714308270] [2021-11-19 05:31:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:07,763 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:07,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:07,764 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:07,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-19 05:31:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:08,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:31:08,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:08,518 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:08,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:08,688 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:08,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1714308270] [2021-11-19 05:31:08,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1714308270] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:08,688 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:08,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-19 05:31:08,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216955119] [2021-11-19 05:31:08,689 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:08,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:31:08,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:08,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:31:08,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:31:08,690 INFO L87 Difference]: Start difference. First operand 1031 states and 1356 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-19 05:31:09,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:09,122 INFO L93 Difference]: Finished difference Result 2657 states and 3618 transitions. [2021-11-19 05:31:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:31:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 50 [2021-11-19 05:31:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:09,135 INFO L225 Difference]: With dead ends: 2657 [2021-11-19 05:31:09,136 INFO L226 Difference]: Without dead ends: 1638 [2021-11-19 05:31:09,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:31:09,141 INFO L933 BasicCegarLoop]: 887 mSDtfsCounter, 394 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 2025 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:09,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [528 Valid, 2025 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:31:09,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2021-11-19 05:31:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1630. [2021-11-19 05:31:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1163 states have (on average 1.2510748065348238) internal successors, (1455), 1190 states have internal predecessors, (1455), 400 states have call successors, (400), 67 states have call predecessors, (400), 66 states have return successors, (402), 392 states have call predecessors, (402), 398 states have call successors, (402) [2021-11-19 05:31:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2257 transitions. [2021-11-19 05:31:09,269 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2257 transitions. Word has length 50 [2021-11-19 05:31:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:09,270 INFO L470 AbstractCegarLoop]: Abstraction has 1630 states and 2257 transitions. [2021-11-19 05:31:09,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-11-19 05:31:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2257 transitions. [2021-11-19 05:31:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-19 05:31:09,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:09,279 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-19 05:31:09,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:09,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:09,496 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:09,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash -518166049, now seen corresponding path program 1 times [2021-11-19 05:31:09,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:09,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567237408] [2021-11-19 05:31:09,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:09,498 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:09,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:09,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:09,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-19 05:31:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:10,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:31:10,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:10,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:10,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:31:10,637 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:10,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567237408] [2021-11-19 05:31:10,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567237408] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:10,637 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:10,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-19 05:31:10,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793109701] [2021-11-19 05:31:10,638 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:10,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:31:10,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:31:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:31:10,641 INFO L87 Difference]: Start difference. First operand 1630 states and 2257 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-19 05:31:12,734 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:13,095 INFO L93 Difference]: Finished difference Result 3295 states and 4549 transitions. [2021-11-19 05:31:13,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:31:13,096 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 72 [2021-11-19 05:31:13,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:13,110 INFO L225 Difference]: With dead ends: 3295 [2021-11-19 05:31:13,110 INFO L226 Difference]: Without dead ends: 1660 [2021-11-19 05:31:13,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:31:13,120 INFO L933 BasicCegarLoop]: 699 mSDtfsCounter, 34 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 2090 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:13,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 2090 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-11-19 05:31:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2021-11-19 05:31:13,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1630. [2021-11-19 05:31:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1163 states have (on average 1.2493551160791057) internal successors, (1453), 1192 states have internal predecessors, (1453), 399 states have call successors, (399), 68 states have call predecessors, (399), 67 states have return successors, (399), 389 states have call predecessors, (399), 395 states have call successors, (399) [2021-11-19 05:31:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2251 transitions. [2021-11-19 05:31:13,250 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2251 transitions. Word has length 72 [2021-11-19 05:31:13,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:13,252 INFO L470 AbstractCegarLoop]: Abstraction has 1630 states and 2251 transitions. [2021-11-19 05:31:13,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2021-11-19 05:31:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2251 transitions. [2021-11-19 05:31:13,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-19 05:31:13,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:13,260 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:31:13,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:13,473 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:13,474 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:13,474 INFO L85 PathProgramCache]: Analyzing trace with hash -2140419496, now seen corresponding path program 1 times [2021-11-19 05:31:13,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:13,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291617799] [2021-11-19 05:31:13,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:13,476 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:13,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:13,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:13,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-19 05:31:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:14,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 05:31:14,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:31:15,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:15,680 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-19 05:31:15,680 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:15,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291617799] [2021-11-19 05:31:15,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291617799] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:15,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:31:15,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2021-11-19 05:31:15,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966476042] [2021-11-19 05:31:15,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:15,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:31:15,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:15,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:31:15,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:31:15,684 INFO L87 Difference]: Start difference. First operand 1630 states and 2251 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 05:31:16,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:16,445 INFO L93 Difference]: Finished difference Result 3271 states and 4521 transitions. [2021-11-19 05:31:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:31:16,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 146 [2021-11-19 05:31:16,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:16,460 INFO L225 Difference]: With dead ends: 3271 [2021-11-19 05:31:16,460 INFO L226 Difference]: Without dead ends: 1651 [2021-11-19 05:31:16,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:16,468 INFO L933 BasicCegarLoop]: 702 mSDtfsCounter, 13 mSDsluCounter, 2783 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3485 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:16,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 3485 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:31:16,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2021-11-19 05:31:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1637. [2021-11-19 05:31:16,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1168 states have (on average 1.2482876712328768) internal successors, (1458), 1198 states have internal predecessors, (1458), 399 states have call successors, (399), 68 states have call predecessors, (399), 69 states have return successors, (404), 390 states have call predecessors, (404), 395 states have call successors, (404) [2021-11-19 05:31:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2261 transitions. [2021-11-19 05:31:16,622 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2261 transitions. Word has length 146 [2021-11-19 05:31:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:16,623 INFO L470 AbstractCegarLoop]: Abstraction has 1637 states and 2261 transitions. [2021-11-19 05:31:16,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-19 05:31:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2261 transitions. [2021-11-19 05:31:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-19 05:31:16,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:16,628 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:31:16,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:16,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:16,842 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:16,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:16,843 INFO L85 PathProgramCache]: Analyzing trace with hash 971530265, now seen corresponding path program 1 times [2021-11-19 05:31:16,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:16,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716955650] [2021-11-19 05:31:16,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:16,844 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:16,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:16,846 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:16,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-19 05:31:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:17,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:31:17,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:17,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:31:17,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:31:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:31:18,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:31:18,890 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:18,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716955650] [2021-11-19 05:31:18,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716955650] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:31:18,890 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:31:18,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-19 05:31:18,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643919138] [2021-11-19 05:31:18,891 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:18,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-19 05:31:18,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-19 05:31:18,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-19 05:31:18,893 INFO L87 Difference]: Start difference. First operand 1637 states and 2261 transitions. Second operand has 12 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-19 05:31:21,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:23,005 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:26,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:28,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:29,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:31,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:37,639 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:31:39,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:39,501 INFO L93 Difference]: Finished difference Result 1699 states and 2341 transitions. [2021-11-19 05:31:39,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:31:39,504 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 146 [2021-11-19 05:31:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:39,518 INFO L225 Difference]: With dead ends: 1699 [2021-11-19 05:31:39,518 INFO L226 Difference]: Without dead ends: 1639 [2021-11-19 05:31:39,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-11-19 05:31:39,521 INFO L933 BasicCegarLoop]: 687 mSDtfsCounter, 7 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4603 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:39,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 4603 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 4 Unknown, 0 Unchecked, 20.4s Time] [2021-11-19 05:31:39,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2021-11-19 05:31:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1637. [2021-11-19 05:31:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1168 states have (on average 1.2465753424657535) internal successors, (1456), 1198 states have internal predecessors, (1456), 399 states have call successors, (399), 68 states have call predecessors, (399), 69 states have return successors, (404), 390 states have call predecessors, (404), 395 states have call successors, (404) [2021-11-19 05:31:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2259 transitions. [2021-11-19 05:31:39,654 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2259 transitions. Word has length 146 [2021-11-19 05:31:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:39,655 INFO L470 AbstractCegarLoop]: Abstraction has 1637 states and 2259 transitions. [2021-11-19 05:31:39,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 4 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-19 05:31:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2259 transitions. [2021-11-19 05:31:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:31:39,658 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:39,659 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:31:39,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:39,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:39,874 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash -480950281, now seen corresponding path program 1 times [2021-11-19 05:31:39,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:39,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436967016] [2021-11-19 05:31:39,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:39,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:39,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:39,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:39,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-19 05:31:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:43,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-19 05:31:43,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:43,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:31:43,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:31:43,963 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:31:43,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:31:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:31:43,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:31:44,492 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:31:44,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:31:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:31:44,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:31:44,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2021-11-19 05:31:44,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2021-11-19 05:31:44,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47 [2021-11-19 05:31:44,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 52 [2021-11-19 05:31:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-19 05:31:45,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:31:45,709 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:45,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436967016] [2021-11-19 05:31:45,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436967016] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:45,709 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:31:45,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-11-19 05:31:45,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766579755] [2021-11-19 05:31:45,709 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:45,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:31:45,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:31:45,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:45,711 INFO L87 Difference]: Start difference. First operand 1637 states and 2259 transitions. Second operand has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 05:31:46,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:46,031 INFO L93 Difference]: Finished difference Result 2836 states and 3878 transitions. [2021-11-19 05:31:46,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:31:46,032 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 147 [2021-11-19 05:31:46,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:46,041 INFO L225 Difference]: With dead ends: 2836 [2021-11-19 05:31:46,041 INFO L226 Difference]: Without dead ends: 1158 [2021-11-19 05:31:46,047 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 279 SyntacticMatches, 8 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-19 05:31:46,048 INFO L933 BasicCegarLoop]: 702 mSDtfsCounter, 2 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3412 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:46,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 3412 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 103 Unchecked, 0.2s Time] [2021-11-19 05:31:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-11-19 05:31:46,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2021-11-19 05:31:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 826 states have (on average 1.2409200968523002) internal successors, (1025), 847 states have internal predecessors, (1025), 267 states have call successors, (267), 63 states have call predecessors, (267), 64 states have return successors, (272), 261 states have call predecessors, (272), 265 states have call successors, (272) [2021-11-19 05:31:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1564 transitions. [2021-11-19 05:31:46,119 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1564 transitions. Word has length 147 [2021-11-19 05:31:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:46,119 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1564 transitions. [2021-11-19 05:31:46,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-19 05:31:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1564 transitions. [2021-11-19 05:31:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:31:46,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:46,123 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:46,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:46,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:46,346 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:46,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1300549654, now seen corresponding path program 1 times [2021-11-19 05:31:46,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:46,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308850614] [2021-11-19 05:31:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:31:46,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:46,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:46,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-19 05:31:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:31:47,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:31:47,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-11-19 05:31:47,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-19 05:31:48,346 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:48,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1308850614] [2021-11-19 05:31:48,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1308850614] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:31:48,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:31:48,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-19 05:31:48,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931520672] [2021-11-19 05:31:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:31:48,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:31:48,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:48,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:31:48,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:48,348 INFO L87 Difference]: Start difference. First operand 1158 states and 1564 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:31:48,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:31:48,464 INFO L93 Difference]: Finished difference Result 1996 states and 2727 transitions. [2021-11-19 05:31:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:31:48,465 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2021-11-19 05:31:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:31:48,474 INFO L225 Difference]: With dead ends: 1996 [2021-11-19 05:31:48,474 INFO L226 Difference]: Without dead ends: 1161 [2021-11-19 05:31:48,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:31:48,481 INFO L933 BasicCegarLoop]: 689 mSDtfsCounter, 2 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4129 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 05:31:48,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 4129 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 05:31:48,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2021-11-19 05:31:48,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1161. [2021-11-19 05:31:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1161 states, 829 states have (on average 1.238841978287093) internal successors, (1027), 848 states have internal predecessors, (1027), 267 states have call successors, (267), 63 states have call predecessors, (267), 64 states have return successors, (272), 263 states have call predecessors, (272), 265 states have call successors, (272) [2021-11-19 05:31:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 1566 transitions. [2021-11-19 05:31:48,546 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 1566 transitions. Word has length 147 [2021-11-19 05:31:48,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:31:48,547 INFO L470 AbstractCegarLoop]: Abstraction has 1161 states and 1566 transitions. [2021-11-19 05:31:48,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 4 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:31:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1566 transitions. [2021-11-19 05:31:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:31:48,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:31:48,550 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:31:48,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:31:48,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:31:48,765 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:31:48,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:31:48,765 INFO L85 PathProgramCache]: Analyzing trace with hash 345028375, now seen corresponding path program 2 times [2021-11-19 05:31:48,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:31:48,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134737972] [2021-11-19 05:31:48,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:31:48,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:31:48,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:31:48,767 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:31:48,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-19 05:31:55,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:31:55,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:31:55,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:31:55,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:31:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-19 05:31:56,231 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:31:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-19 05:31:57,165 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:31:57,165 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134737972] [2021-11-19 05:31:57,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134737972] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:31:57,165 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:31:57,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-11-19 05:31:57,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859019252] [2021-11-19 05:31:57,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:31:57,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:31:57,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:31:57,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:31:57,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:31:57,168 INFO L87 Difference]: Start difference. First operand 1161 states and 1566 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 9 states have call successors, (29), 8 states have call predecessors, (29), 6 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2021-11-19 05:31:59,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:01,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:03,296 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:05,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:07,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:09,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:11,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:13,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:24,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:26,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:28,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:31,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:33,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:35,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:37,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:39,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:41,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:43,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:45,592 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:52,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:54,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:32:58,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:00,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:13,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:33:16,613 INFO L93 Difference]: Finished difference Result 5170 states and 7087 transitions. [2021-11-19 05:33:16,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 05:33:16,614 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 9 states have call successors, (29), 8 states have call predecessors, (29), 6 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) Word has length 147 [2021-11-19 05:33:16,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:33:16,657 INFO L225 Difference]: With dead ends: 5170 [2021-11-19 05:33:16,657 INFO L226 Difference]: Without dead ends: 4298 [2021-11-19 05:33:16,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2021-11-19 05:33:16,665 INFO L933 BasicCegarLoop]: 2130 mSDtfsCounter, 4633 mSDsluCounter, 3934 mSDsCounter, 0 mSdLazyCounter, 5512 mSolverCounterSat, 2787 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4908 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 8321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2787 IncrementalHoareTripleChecker+Valid, 5512 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.7s IncrementalHoareTripleChecker+Time [2021-11-19 05:33:16,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4908 Valid, 6064 Invalid, 8321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2787 Valid, 5512 Invalid, 22 Unknown, 0 Unchecked, 78.7s Time] [2021-11-19 05:33:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-11-19 05:33:16,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3886. [2021-11-19 05:33:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3886 states, 2764 states have (on average 1.245658465991317) internal successors, (3443), 2834 states have internal predecessors, (3443), 926 states have call successors, (926), 186 states have call predecessors, (926), 195 states have return successors, (1006), 910 states have call predecessors, (1006), 922 states have call successors, (1006) [2021-11-19 05:33:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3886 states to 3886 states and 5375 transitions. [2021-11-19 05:33:17,005 INFO L78 Accepts]: Start accepts. Automaton has 3886 states and 5375 transitions. Word has length 147 [2021-11-19 05:33:17,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:33:17,006 INFO L470 AbstractCegarLoop]: Abstraction has 3886 states and 5375 transitions. [2021-11-19 05:33:17,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 11 states have internal predecessors, (145), 9 states have call successors, (29), 8 states have call predecessors, (29), 6 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2021-11-19 05:33:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 5375 transitions. [2021-11-19 05:33:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-19 05:33:17,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:33:17,013 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:33:17,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:33:17,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:33:17,238 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:33:17,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:33:17,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1296056406, now seen corresponding path program 1 times [2021-11-19 05:33:17,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:33:17,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1781802291] [2021-11-19 05:33:17,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:33:17,240 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:33:17,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:33:17,242 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:33:17,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-19 05:33:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:33:18,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 05:33:18,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:33:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-19 05:33:18,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:33:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-11-19 05:33:19,261 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:33:19,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1781802291] [2021-11-19 05:33:19,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1781802291] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:33:19,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:33:19,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2021-11-19 05:33:19,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56110597] [2021-11-19 05:33:19,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:33:19,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:33:19,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:33:19,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:33:19,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:33:19,263 INFO L87 Difference]: Start difference. First operand 3886 states and 5375 transitions. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:33:19,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:33:19,579 INFO L93 Difference]: Finished difference Result 7759 states and 10748 transitions. [2021-11-19 05:33:19,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 05:33:19,583 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2021-11-19 05:33:19,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:33:19,621 INFO L225 Difference]: With dead ends: 7759 [2021-11-19 05:33:19,621 INFO L226 Difference]: Without dead ends: 3886 [2021-11-19 05:33:19,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:33:19,639 INFO L933 BasicCegarLoop]: 691 mSDtfsCounter, 2 mSDsluCounter, 3451 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4142 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:33:19,640 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 4142 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 05:33:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2021-11-19 05:33:19,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3882. [2021-11-19 05:33:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 2760 states have (on average 1.2445652173913044) internal successors, (3435), 2832 states have internal predecessors, (3435), 926 states have call successors, (926), 186 states have call predecessors, (926), 195 states have return successors, (1006), 908 states have call predecessors, (1006), 922 states have call successors, (1006) [2021-11-19 05:33:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 5367 transitions. [2021-11-19 05:33:19,982 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 5367 transitions. Word has length 157 [2021-11-19 05:33:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:33:19,983 INFO L470 AbstractCegarLoop]: Abstraction has 3882 states and 5367 transitions. [2021-11-19 05:33:19,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-19 05:33:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 5367 transitions. [2021-11-19 05:33:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-11-19 05:33:19,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:33:19,990 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:33:20,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:33:20,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:33:20,203 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:33:20,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:33:20,203 INFO L85 PathProgramCache]: Analyzing trace with hash -657079690, now seen corresponding path program 2 times [2021-11-19 05:33:20,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:33:20,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359641727] [2021-11-19 05:33:20,205 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-19 05:33:20,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:33:20,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:33:20,207 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:33:20,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-19 05:33:24,727 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-19 05:33:24,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 05:33:24,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:33:24,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:33:25,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:33:25,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:33:25,724 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:33:25,725 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:33:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-19 05:33:26,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:33:26,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359641727] [2021-11-19 05:33:26,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359641727] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:33:26,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:33:26,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 9 [2021-11-19 05:33:26,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753216296] [2021-11-19 05:33:26,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:33:26,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:33:26,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:33:26,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:33:26,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:33:26,310 INFO L87 Difference]: Start difference. First operand 3882 states and 5367 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 05:33:28,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:30,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:32,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:34,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:37,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:38,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:40,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:33:40,078 INFO L93 Difference]: Finished difference Result 4033 states and 5555 transitions. [2021-11-19 05:33:40,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:33:40,080 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 157 [2021-11-19 05:33:40,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:33:40,120 INFO L225 Difference]: With dead ends: 4033 [2021-11-19 05:33:40,120 INFO L226 Difference]: Without dead ends: 3884 [2021-11-19 05:33:40,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:33:40,125 INFO L933 BasicCegarLoop]: 688 mSDtfsCounter, 6 mSDsluCounter, 2637 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3325 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:33:40,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 3325 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2021-11-19 05:33:40,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2021-11-19 05:33:40,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 3884. [2021-11-19 05:33:40,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3884 states, 2761 states have (on average 1.2433900760593988) internal successors, (3433), 2834 states have internal predecessors, (3433), 927 states have call successors, (927), 186 states have call predecessors, (927), 195 states have return successors, (1006), 908 states have call predecessors, (1006), 922 states have call successors, (1006) [2021-11-19 05:33:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 3884 states and 5366 transitions. [2021-11-19 05:33:40,476 INFO L78 Accepts]: Start accepts. Automaton has 3884 states and 5366 transitions. Word has length 157 [2021-11-19 05:33:40,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:33:40,477 INFO L470 AbstractCegarLoop]: Abstraction has 3884 states and 5366 transitions. [2021-11-19 05:33:40,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-19 05:33:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 5366 transitions. [2021-11-19 05:33:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-19 05:33:40,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:33:40,482 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-11-19 05:33:40,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:33:40,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:33:40,706 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:33:40,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:33:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash 507809139, now seen corresponding path program 1 times [2021-11-19 05:33:40,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:33:40,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783091586] [2021-11-19 05:33:40,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:33:40,708 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:33:40,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:33:40,712 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:33:40,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-19 05:33:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:33:45,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:33:45,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:33:46,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:33:46,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:33:46,730 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:33:46,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:33:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:46,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:33:47,246 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:33:47,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:33:47,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:33:47,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:33:47,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:33:47,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:33:47,457 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 66 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-19 05:33:47,457 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:33:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-19 05:33:48,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:33:48,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783091586] [2021-11-19 05:33:48,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783091586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:33:48,081 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:33:48,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-11-19 05:33:48,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228383903] [2021-11-19 05:33:48,082 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:33:48,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:33:48,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:33:48,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:33:48,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:33:48,083 INFO L87 Difference]: Start difference. First operand 3884 states and 5366 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 05:33:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:33:48,539 INFO L93 Difference]: Finished difference Result 7080 states and 9731 transitions. [2021-11-19 05:33:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:33:48,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 158 [2021-11-19 05:33:48,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:33:48,594 INFO L225 Difference]: With dead ends: 7080 [2021-11-19 05:33:48,594 INFO L226 Difference]: Without dead ends: 3137 [2021-11-19 05:33:48,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 304 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:33:48,615 INFO L933 BasicCegarLoop]: 703 mSDtfsCounter, 4 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3415 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:33:48,615 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 3415 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 99 Unchecked, 0.2s Time] [2021-11-19 05:33:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3137 states. [2021-11-19 05:33:48,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3137 to 3137. [2021-11-19 05:33:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3137 states, 2228 states have (on average 1.2392280071813286) internal successors, (2761), 2287 states have internal predecessors, (2761), 735 states have call successors, (735), 162 states have call predecessors, (735), 173 states have return successors, (804), 723 states have call predecessors, (804), 732 states have call successors, (804) [2021-11-19 05:33:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 4300 transitions. [2021-11-19 05:33:48,969 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 4300 transitions. Word has length 158 [2021-11-19 05:33:48,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:33:48,970 INFO L470 AbstractCegarLoop]: Abstraction has 3137 states and 4300 transitions. [2021-11-19 05:33:48,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 6 states have internal predecessors, (96), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2021-11-19 05:33:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 4300 transitions. [2021-11-19 05:33:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-19 05:33:48,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:33:48,975 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:33:49,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:33:49,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:33:49,200 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:33:49,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:33:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1189281783, now seen corresponding path program 1 times [2021-11-19 05:33:49,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:33:49,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019532075] [2021-11-19 05:33:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:33:49,202 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:33:49,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:33:49,206 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:33:49,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-19 05:33:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:33:50,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-19 05:33:50,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:33:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-19 05:33:50,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:33:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-19 05:33:52,678 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:33:52,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019532075] [2021-11-19 05:33:52,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019532075] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:33:52,678 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:33:52,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15] total 22 [2021-11-19 05:33:52,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753789935] [2021-11-19 05:33:52,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:33:52,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-19 05:33:52,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:33:52,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-19 05:33:52,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2021-11-19 05:33:52,683 INFO L87 Difference]: Start difference. First operand 3137 states and 4300 transitions. Second operand has 22 states, 22 states have (on average 6.909090909090909) internal successors, (152), 22 states have internal predecessors, (152), 17 states have call successors, (31), 10 states have call predecessors, (31), 7 states have return successors, (28), 16 states have call predecessors, (28), 14 states have call successors, (28) [2021-11-19 05:33:54,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:56,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:33:59,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:01,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:03,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:05,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:07,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:09,376 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:11,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:13,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:15,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:28,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:31,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:38,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:40,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:42,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:44,068 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:46,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:48,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:50,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:34:52,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:00,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:04,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:06,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:08,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:10,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:12,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:15,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:17,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:18,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:20,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:22,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:48,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:51,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:35:56,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:23,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:27,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:34,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:36,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:48,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:50,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:52,300 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:36:54,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:10,934 INFO L93 Difference]: Finished difference Result 14007 states and 18923 transitions. [2021-11-19 05:37:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-19 05:37:10,935 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.909090909090909) internal successors, (152), 22 states have internal predecessors, (152), 17 states have call successors, (31), 10 states have call predecessors, (31), 7 states have return successors, (28), 16 states have call predecessors, (28), 14 states have call successors, (28) Word has length 147 [2021-11-19 05:37:10,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:10,996 INFO L225 Difference]: With dead ends: 14007 [2021-11-19 05:37:10,996 INFO L226 Difference]: Without dead ends: 12325 [2021-11-19 05:37:11,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 821 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1030, Invalid=2510, Unknown=0, NotChecked=0, Total=3540 [2021-11-19 05:37:11,012 INFO L933 BasicCegarLoop]: 2601 mSDtfsCounter, 29832 mSDsluCounter, 10900 mSDsCounter, 0 mSdLazyCounter, 17428 mSolverCounterSat, 20166 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30331 SdHoareTripleChecker+Valid, 13501 SdHoareTripleChecker+Invalid, 37626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 20166 IncrementalHoareTripleChecker+Valid, 17428 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 193.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:37:11,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30331 Valid, 13501 Invalid, 37626 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [20166 Valid, 17428 Invalid, 32 Unknown, 0 Unchecked, 193.2s Time] [2021-11-19 05:37:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12325 states. [2021-11-19 05:37:11,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12325 to 11980. [2021-11-19 05:37:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11980 states, 8500 states have (on average 1.237529411764706) internal successors, (10519), 8726 states have internal predecessors, (10519), 2792 states have call successors, (2792), 651 states have call predecessors, (2792), 687 states have return successors, (3068), 2735 states have call predecessors, (3068), 2787 states have call successors, (3068) [2021-11-19 05:37:12,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11980 states to 11980 states and 16379 transitions. [2021-11-19 05:37:12,020 INFO L78 Accepts]: Start accepts. Automaton has 11980 states and 16379 transitions. Word has length 147 [2021-11-19 05:37:12,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:12,021 INFO L470 AbstractCegarLoop]: Abstraction has 11980 states and 16379 transitions. [2021-11-19 05:37:12,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.909090909090909) internal successors, (152), 22 states have internal predecessors, (152), 17 states have call successors, (31), 10 states have call predecessors, (31), 7 states have return successors, (28), 16 states have call predecessors, (28), 14 states have call successors, (28) [2021-11-19 05:37:12,021 INFO L276 IsEmpty]: Start isEmpty. Operand 11980 states and 16379 transitions. [2021-11-19 05:37:12,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-19 05:37:12,045 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:12,045 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:37:12,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:37:12,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:37:12,273 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:12,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:12,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1436807920, now seen corresponding path program 1 times [2021-11-19 05:37:12,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:37:12,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1611507709] [2021-11-19 05:37:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:12,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:37:12,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:37:12,278 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:37:12,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-19 05:37:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:13,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:37:13,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:14,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:37:14,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:37:14,375 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 05:37:14,375 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:37:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-19 05:37:15,344 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:37:15,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1611507709] [2021-11-19 05:37:15,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1611507709] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:37:15,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:37:15,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-11-19 05:37:15,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548966656] [2021-11-19 05:37:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:37:15,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:37:15,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:37:15,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:37:15,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:37:15,347 INFO L87 Difference]: Start difference. First operand 11980 states and 16379 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:37:17,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:19,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:21,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:24,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:26,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:28,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:30,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:32,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:37,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:39,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:40,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:42,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:44,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:37:44,506 INFO L93 Difference]: Finished difference Result 12430 states and 16954 transitions. [2021-11-19 05:37:44,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:37:44,510 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 168 [2021-11-19 05:37:44,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:37:44,649 INFO L225 Difference]: With dead ends: 12430 [2021-11-19 05:37:44,665 INFO L226 Difference]: Without dead ends: 12002 [2021-11-19 05:37:44,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 320 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:37:44,678 INFO L933 BasicCegarLoop]: 688 mSDtfsCounter, 6 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:37:44,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 3917 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 227 Invalid, 8 Unknown, 0 Unchecked, 28.5s Time] [2021-11-19 05:37:44,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12002 states. [2021-11-19 05:37:45,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12002 to 12002. [2021-11-19 05:37:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12002 states, 8511 states have (on average 1.236634943014922) internal successors, (10525), 8743 states have internal predecessors, (10525), 2803 states have call successors, (2803), 651 states have call predecessors, (2803), 687 states have return successors, (3075), 2740 states have call predecessors, (3075), 2793 states have call successors, (3075) [2021-11-19 05:37:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12002 states to 12002 states and 16403 transitions. [2021-11-19 05:37:46,157 INFO L78 Accepts]: Start accepts. Automaton has 12002 states and 16403 transitions. Word has length 168 [2021-11-19 05:37:46,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:37:46,158 INFO L470 AbstractCegarLoop]: Abstraction has 12002 states and 16403 transitions. [2021-11-19 05:37:46,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-19 05:37:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 12002 states and 16403 transitions. [2021-11-19 05:37:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-19 05:37:46,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:37:46,179 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:37:46,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-19 05:37:46,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:37:46,380 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:37:46,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:37:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash 2032139182, now seen corresponding path program 1 times [2021-11-19 05:37:46,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:37:46,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1513835354] [2021-11-19 05:37:46,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:37:46,383 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:37:46,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:37:46,385 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:37:46,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-19 05:37:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:37:48,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:37:48,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:37:49,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:37:49,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:37:49,525 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-19 05:37:49,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:37:49,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 05:37:49,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-19 05:37:49,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:37:49,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:37:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-19 05:37:49,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:37:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-19 05:37:50,453 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:37:50,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1513835354] [2021-11-19 05:37:50,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1513835354] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:37:50,454 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:37:50,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 7 [2021-11-19 05:37:50,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291745310] [2021-11-19 05:37:50,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:37:50,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 05:37:50,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:37:50,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 05:37:50,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:37:50,456 INFO L87 Difference]: Start difference. First operand 12002 states and 16403 transitions. Second operand has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-19 05:37:52,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:54,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:56,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:37:58,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:02,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:04,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:05,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:05,250 INFO L93 Difference]: Finished difference Result 22456 states and 30548 transitions. [2021-11-19 05:38:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 05:38:05,253 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 169 [2021-11-19 05:38:05,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:05,315 INFO L225 Difference]: With dead ends: 22456 [2021-11-19 05:38:05,316 INFO L226 Difference]: Without dead ends: 10698 [2021-11-19 05:38:05,367 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 329 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-19 05:38:05,368 INFO L933 BasicCegarLoop]: 706 mSDtfsCounter, 7 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 4026 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 101 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:05,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 4026 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 4 Unknown, 101 Unchecked, 14.2s Time] [2021-11-19 05:38:05,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10698 states. [2021-11-19 05:38:06,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10698 to 10660. [2021-11-19 05:38:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10660 states, 7550 states have (on average 1.230066225165563) internal successors, (9287), 7752 states have internal predecessors, (9287), 2440 states have call successors, (2440), 618 states have call predecessors, (2440), 669 states have return successors, (2693), 2403 states have call predecessors, (2693), 2430 states have call successors, (2693) [2021-11-19 05:38:06,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10660 states to 10660 states and 14420 transitions. [2021-11-19 05:38:06,339 INFO L78 Accepts]: Start accepts. Automaton has 10660 states and 14420 transitions. Word has length 169 [2021-11-19 05:38:06,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:06,340 INFO L470 AbstractCegarLoop]: Abstraction has 10660 states and 14420 transitions. [2021-11-19 05:38:06,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.0) internal successors, (98), 6 states have internal predecessors, (98), 4 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-19 05:38:06,341 INFO L276 IsEmpty]: Start isEmpty. Operand 10660 states and 14420 transitions. [2021-11-19 05:38:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-19 05:38:06,347 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:06,347 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:38:06,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:06,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:38:06,573 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:06,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1191246487, now seen corresponding path program 1 times [2021-11-19 05:38:06,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:38:06,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038658418] [2021-11-19 05:38:06,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:06,575 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:38:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:38:06,577 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:38:06,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-19 05:38:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:07,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-19 05:38:07,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:07,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:38:07,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:38:08,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:38:08,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:38:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-19 05:38:08,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:38:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2021-11-19 05:38:10,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:38:10,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038658418] [2021-11-19 05:38:10,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038658418] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:38:10,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:38:10,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2021-11-19 05:38:10,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402084105] [2021-11-19 05:38:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:10,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 05:38:10,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:38:10,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 05:38:10,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-11-19 05:38:10,165 INFO L87 Difference]: Start difference. First operand 10660 states and 14420 transitions. Second operand has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 05:38:12,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:14,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:16,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:18,440 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:23,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:24,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:26,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:28,984 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:30,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:32,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:34,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:36,098 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:38,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:39,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:39,369 INFO L93 Difference]: Finished difference Result 11127 states and 15021 transitions. [2021-11-19 05:38:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 05:38:39,371 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2021-11-19 05:38:39,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:39,430 INFO L225 Difference]: With dead ends: 11127 [2021-11-19 05:38:39,430 INFO L226 Difference]: Without dead ends: 10818 [2021-11-19 05:38:39,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 338 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-11-19 05:38:39,439 INFO L933 BasicCegarLoop]: 688 mSDtfsCounter, 15 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4700 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:39,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 4700 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 185 Invalid, 6 Unknown, 0 Unchecked, 28.5s Time] [2021-11-19 05:38:39,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10818 states. [2021-11-19 05:38:40,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10818 to 10711. [2021-11-19 05:38:40,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10711 states, 7593 states have (on average 1.230212037402871) internal successors, (9341), 7792 states have internal predecessors, (9341), 2448 states have call successors, (2448), 618 states have call predecessors, (2448), 669 states have return successors, (2698), 2414 states have call predecessors, (2698), 2434 states have call successors, (2698) [2021-11-19 05:38:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10711 states to 10711 states and 14487 transitions. [2021-11-19 05:38:40,195 INFO L78 Accepts]: Start accepts. Automaton has 10711 states and 14487 transitions. Word has length 179 [2021-11-19 05:38:40,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:38:40,196 INFO L470 AbstractCegarLoop]: Abstraction has 10711 states and 14487 transitions. [2021-11-19 05:38:40,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.142857142857142) internal successors, (85), 6 states have internal predecessors, (85), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-19 05:38:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 10711 states and 14487 transitions. [2021-11-19 05:38:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-19 05:38:40,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:38:40,203 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-19 05:38:40,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-19 05:38:40,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:38:40,430 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:38:40,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:38:40,430 INFO L85 PathProgramCache]: Analyzing trace with hash 295847622, now seen corresponding path program 1 times [2021-11-19 05:38:40,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:38:40,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096738159] [2021-11-19 05:38:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:38:40,432 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:38:40,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:38:40,433 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:38:40,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-19 05:38:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:38:41,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 05:38:41,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:38:41,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2021-11-19 05:38:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2021-11-19 05:38:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-19 05:38:42,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:38:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-19 05:38:42,799 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:38:42,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096738159] [2021-11-19 05:38:42,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096738159] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:38:42,800 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:38:42,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2021-11-19 05:38:42,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746774580] [2021-11-19 05:38:42,800 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:38:42,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 05:38:42,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:38:42,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 05:38:42,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-11-19 05:38:42,802 INFO L87 Difference]: Start difference. First operand 10711 states and 14487 transitions. Second operand has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (29), 5 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 05:38:44,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:47,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:49,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:51,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:53,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:57,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:58,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:38:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:38:59,872 INFO L93 Difference]: Finished difference Result 10997 states and 14790 transitions. [2021-11-19 05:38:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 05:38:59,874 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (29), 5 states have call predecessors, (29), 2 states have call successors, (29) Word has length 193 [2021-11-19 05:38:59,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:38:59,927 INFO L225 Difference]: With dead ends: 10997 [2021-11-19 05:38:59,927 INFO L226 Difference]: Without dead ends: 10697 [2021-11-19 05:38:59,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-11-19 05:38:59,937 INFO L933 BasicCegarLoop]: 694 mSDtfsCounter, 15 mSDsluCounter, 6128 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6822 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:38:59,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 6822 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 5 Unknown, 0 Unchecked, 16.6s Time] [2021-11-19 05:38:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10697 states. [2021-11-19 05:39:00,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10697 to 10585. [2021-11-19 05:39:00,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10585 states, 7527 states have (on average 1.2313006509897702) internal successors, (9268), 7721 states have internal predecessors, (9268), 2388 states have call successors, (2388), 618 states have call predecessors, (2388), 669 states have return successors, (2593), 2359 states have call predecessors, (2593), 2374 states have call successors, (2593) [2021-11-19 05:39:01,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10585 states to 10585 states and 14249 transitions. [2021-11-19 05:39:01,023 INFO L78 Accepts]: Start accepts. Automaton has 10585 states and 14249 transitions. Word has length 193 [2021-11-19 05:39:01,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:01,027 INFO L470 AbstractCegarLoop]: Abstraction has 10585 states and 14249 transitions. [2021-11-19 05:39:01,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.727272727272727) internal successors, (107), 8 states have internal predecessors, (107), 2 states have call successors, (28), 2 states have call predecessors, (28), 5 states have return successors, (29), 5 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-19 05:39:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 10585 states and 14249 transitions. [2021-11-19 05:39:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-19 05:39:01,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:01,040 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-19 05:39:01,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:01,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:01,254 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:01,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:01,255 INFO L85 PathProgramCache]: Analyzing trace with hash -730439303, now seen corresponding path program 1 times [2021-11-19 05:39:01,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:39:01,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142797651] [2021-11-19 05:39:01,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:01,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:39:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:39:01,259 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:39:01,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-11-19 05:39:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:02,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-19 05:39:02,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:02,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:39:03,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-19 05:39:03,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2021-11-19 05:39:03,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-19 05:39:03,590 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 05:39:03,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-11-19 05:39:04,487 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:39:04,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2142797651] [2021-11-19 05:39:04,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2142797651] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:04,487 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:04,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2021-11-19 05:39:04,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199298552] [2021-11-19 05:39:04,488 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:04,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:39:04,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:39:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:39:04,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:04,492 INFO L87 Difference]: Start difference. First operand 10585 states and 14249 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 05:39:06,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:09,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:11,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:15,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-19 05:39:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:17,004 INFO L93 Difference]: Finished difference Result 19304 states and 25933 transitions. [2021-11-19 05:39:17,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 05:39:17,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 251 [2021-11-19 05:39:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:17,051 INFO L225 Difference]: With dead ends: 19304 [2021-11-19 05:39:17,052 INFO L226 Difference]: Without dead ends: 9070 [2021-11-19 05:39:17,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-19 05:39:17,085 INFO L933 BasicCegarLoop]: 679 mSDtfsCounter, 6 mSDsluCounter, 2618 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3297 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:17,086 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 3297 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2021-11-19 05:39:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9070 states. [2021-11-19 05:39:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9070 to 9006. [2021-11-19 05:39:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9006 states, 6397 states have (on average 1.2265124277004846) internal successors, (7846), 6562 states have internal predecessors, (7846), 2009 states have call successors, (2009), 552 states have call predecessors, (2009), 599 states have return successors, (2184), 1986 states have call predecessors, (2184), 1996 states have call successors, (2184) [2021-11-19 05:39:17,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 12039 transitions. [2021-11-19 05:39:17,721 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 12039 transitions. Word has length 251 [2021-11-19 05:39:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:17,722 INFO L470 AbstractCegarLoop]: Abstraction has 9006 states and 12039 transitions. [2021-11-19 05:39:17,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-19 05:39:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 12039 transitions. [2021-11-19 05:39:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-19 05:39:17,727 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:17,728 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2021-11-19 05:39:17,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:17,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:17,954 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:17,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1586354599, now seen corresponding path program 1 times [2021-11-19 05:39:17,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:39:17,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855843146] [2021-11-19 05:39:17,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:17,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:39:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:39:17,959 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:39:17,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-11-19 05:39:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:19,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:39:19,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2021-11-19 05:39:19,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-19 05:39:20,535 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:39:20,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855843146] [2021-11-19 05:39:20,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1855843146] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-19 05:39:20,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-19 05:39:20,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2021-11-19 05:39:20,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685007139] [2021-11-19 05:39:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:20,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:39:20,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:39:20,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:39:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:39:20,537 INFO L87 Difference]: Start difference. First operand 9006 states and 12039 transitions. Second operand has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 05:39:21,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:21,220 INFO L93 Difference]: Finished difference Result 17691 states and 23806 transitions. [2021-11-19 05:39:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 05:39:21,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 251 [2021-11-19 05:39:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:21,257 INFO L225 Difference]: With dead ends: 17691 [2021-11-19 05:39:21,258 INFO L226 Difference]: Without dead ends: 9062 [2021-11-19 05:39:21,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 501 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:21,281 INFO L933 BasicCegarLoop]: 661 mSDtfsCounter, 18 mSDsluCounter, 1272 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:21,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 1933 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 05:39:21,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9062 states. [2021-11-19 05:39:21,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9062 to 9062. [2021-11-19 05:39:21,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9062 states, 6446 states have (on average 1.2258765125659323) internal successors, (7902), 6611 states have internal predecessors, (7902), 2009 states have call successors, (2009), 559 states have call predecessors, (2009), 606 states have return successors, (2184), 1986 states have call predecessors, (2184), 1996 states have call successors, (2184) [2021-11-19 05:39:22,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 12095 transitions. [2021-11-19 05:39:22,053 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 12095 transitions. Word has length 251 [2021-11-19 05:39:22,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:22,054 INFO L470 AbstractCegarLoop]: Abstraction has 9062 states and 12095 transitions. [2021-11-19 05:39:22,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.25) internal successors, (125), 4 states have internal predecessors, (125), 3 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-19 05:39:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 12095 transitions. [2021-11-19 05:39:22,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-19 05:39:22,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:22,061 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:22,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2021-11-19 05:39:22,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:22,278 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:22,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:22,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1959695911, now seen corresponding path program 1 times [2021-11-19 05:39:22,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:39:22,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384873931] [2021-11-19 05:39:22,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:22,282 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:39:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:39:22,306 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:39:22,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-11-19 05:39:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:23,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:39:23,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:24,305 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-19 05:39:24,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-19 05:39:24,879 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:39:24,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384873931] [2021-11-19 05:39:24,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1384873931] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 05:39:24,879 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:39:24,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 05:39:24,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667311394] [2021-11-19 05:39:24,880 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 05:39:24,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 05:39:24,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:39:24,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 05:39:24,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 05:39:24,882 INFO L87 Difference]: Start difference. First operand 9062 states and 12095 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-19 05:39:26,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:26,118 INFO L93 Difference]: Finished difference Result 9082 states and 12113 transitions. [2021-11-19 05:39:26,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:39:26,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 251 [2021-11-19 05:39:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:26,143 INFO L225 Difference]: With dead ends: 9082 [2021-11-19 05:39:26,143 INFO L226 Difference]: Without dead ends: 9072 [2021-11-19 05:39:26,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:39:26,147 INFO L933 BasicCegarLoop]: 854 mSDtfsCounter, 868 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:26,147 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 1557 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 05:39:26,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9072 states. [2021-11-19 05:39:26,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9072 to 9062. [2021-11-19 05:39:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9062 states, 6446 states have (on average 1.2247905677939808) internal successors, (7895), 6611 states have internal predecessors, (7895), 2009 states have call successors, (2009), 559 states have call predecessors, (2009), 606 states have return successors, (2184), 1986 states have call predecessors, (2184), 1996 states have call successors, (2184) [2021-11-19 05:39:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9062 states to 9062 states and 12088 transitions. [2021-11-19 05:39:26,693 INFO L78 Accepts]: Start accepts. Automaton has 9062 states and 12088 transitions. Word has length 251 [2021-11-19 05:39:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:26,695 INFO L470 AbstractCegarLoop]: Abstraction has 9062 states and 12088 transitions. [2021-11-19 05:39:26,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-11-19 05:39:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 9062 states and 12088 transitions. [2021-11-19 05:39:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-19 05:39:26,699 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:26,700 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:26,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-11-19 05:39:26,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:26,926 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:26,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash -917092667, now seen corresponding path program 1 times [2021-11-19 05:39:26,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:39:26,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052383996] [2021-11-19 05:39:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:26,928 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:39:26,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:39:26,929 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:39:26,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-11-19 05:39:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:39:28,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-19 05:39:28,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:39:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-19 05:39:29,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 05:39:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-19 05:39:29,973 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-19 05:39:29,973 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052383996] [2021-11-19 05:39:29,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052383996] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 05:39:29,974 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 05:39:29,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-19 05:39:29,974 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475684149] [2021-11-19 05:39:29,974 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 05:39:29,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 05:39:29,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-19 05:39:29,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 05:39:29,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:29,976 INFO L87 Difference]: Start difference. First operand 9062 states and 12088 transitions. Second operand has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 4 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 05:39:31,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:39:31,244 INFO L93 Difference]: Finished difference Result 13361 states and 17531 transitions. [2021-11-19 05:39:31,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 05:39:31,246 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 4 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) Word has length 256 [2021-11-19 05:39:31,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 05:39:31,281 INFO L225 Difference]: With dead ends: 13361 [2021-11-19 05:39:31,281 INFO L226 Difference]: Without dead ends: 8016 [2021-11-19 05:39:31,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-19 05:39:31,301 INFO L933 BasicCegarLoop]: 903 mSDtfsCounter, 571 mSDsluCounter, 1709 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2612 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-19 05:39:31,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2612 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-19 05:39:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8016 states. [2021-11-19 05:39:31,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8016 to 8012. [2021-11-19 05:39:31,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8012 states, 5683 states have (on average 1.2057012141474572) internal successors, (6852), 5820 states have internal predecessors, (6852), 1722 states have call successors, (1722), 559 states have call predecessors, (1722), 606 states have return successors, (1897), 1706 states have call predecessors, (1897), 1709 states have call successors, (1897) [2021-11-19 05:39:31,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8012 states to 8012 states and 10471 transitions. [2021-11-19 05:39:31,839 INFO L78 Accepts]: Start accepts. Automaton has 8012 states and 10471 transitions. Word has length 256 [2021-11-19 05:39:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 05:39:31,840 INFO L470 AbstractCegarLoop]: Abstraction has 8012 states and 10471 transitions. [2021-11-19 05:39:31,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.666666666666664) internal successors, (196), 6 states have internal predecessors, (196), 4 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (49), 4 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-19 05:39:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 8012 states and 10471 transitions. [2021-11-19 05:39:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-19 05:39:31,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 05:39:31,845 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:31,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-11-19 05:39:32,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:32,046 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 05:39:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:39:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash -246260549, now seen corresponding path program 1 times [2021-11-19 05:39:32,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-19 05:39:32,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871643254] [2021-11-19 05:39:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:39:32,049 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-19 05:39:32,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat [2021-11-19 05:39:32,050 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-19 05:39:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-11-19 05:39:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:39:46,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:39:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:39:57,120 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-19 05:39:57,120 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-19 05:39:57,121 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 05:39:57,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-11-19 05:39:57,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/mathsat -unsat_core_generation=3 [2021-11-19 05:39:57,340 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:39:57,345 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 05:39:57,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:39:57 BoogieIcfgContainer [2021-11-19 05:39:57,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 05:39:57,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:39:57,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:39:57,735 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:39:57,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:31:03" (3/4) ... [2021-11-19 05:39:57,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:39:57,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:39:57,742 INFO L158 Benchmark]: Toolchain (without parser) took 551425.14ms. Allocated memory was 65.0MB in the beginning and 866.1MB in the end (delta: 801.1MB). Free memory was 35.8MB in the beginning and 418.7MB in the end (delta: -382.9MB). Peak memory consumption was 418.0MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,742 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:39:57,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2420.14ms. Allocated memory was 65.0MB in the beginning and 148.9MB in the end (delta: 83.9MB). Free memory was 35.6MB in the beginning and 65.1MB in the end (delta: -29.5MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.24ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 54.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,744 INFO L158 Benchmark]: Boogie Preprocessor took 206.25ms. Allocated memory is still 148.9MB. Free memory was 54.6MB in the beginning and 92.9MB in the end (delta: -38.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,744 INFO L158 Benchmark]: RCFGBuilder took 14469.03ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 92.9MB in the beginning and 122.9MB in the end (delta: -30.0MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,744 INFO L158 Benchmark]: TraceAbstraction took 534164.57ms. Allocated memory was 218.1MB in the beginning and 866.1MB in the end (delta: 648.0MB). Free memory was 122.9MB in the beginning and 419.7MB in the end (delta: -296.9MB). Peak memory consumption was 351.2MB. Max. memory is 16.1GB. [2021-11-19 05:39:57,744 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 866.1MB. Free memory is still 418.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:39:57,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2420.14ms. Allocated memory was 65.0MB in the beginning and 148.9MB in the end (delta: 83.9MB). Free memory was 35.6MB in the beginning and 65.1MB in the end (delta: -29.5MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.24ms. Allocated memory is still 148.9MB. Free memory was 65.1MB in the beginning and 54.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.25ms. Allocated memory is still 148.9MB. Free memory was 54.6MB in the beginning and 92.9MB in the end (delta: -38.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 14469.03ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 92.9MB in the beginning and 122.9MB in the end (delta: -30.0MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * TraceAbstraction took 534164.57ms. Allocated memory was 218.1MB in the beginning and 866.1MB in the end (delta: 648.0MB). Free memory was 122.9MB in the beginning and 419.7MB in the end (delta: -296.9MB). Peak memory consumption was 351.2MB. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 866.1MB. Free memory is still 418.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6635. Possible FailurePath: [L5170-L5181] static char const __mod_author63[40] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'V', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )' ', (char const )'P', (char const )'a', (char const )'v', (char const )'l', (char const )'i', (char const )'k', (char const )' ', (char const )'<', (char const )'v', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )'@', (char const )'s', (char const )'u', (char const )'s', (char const )'e', (char const )'.', (char const )'c', (char const )'z', (char const )'>', (char const )'\000'}; [L5182-L5197] static char const __mod_description64[53] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'T', (char const )'C', (char const )' ', (char const )'E', (char const )'L', (char const )'1', (char const )'2', (char const )'1', (char const )'0', (char const )'A', (char const )' ', (char const )'N', (char const )'e', (char const )'t', (char const )'M', (char const )'a', (char const )'t', (char const )'e', (char const )' ', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'E', (char const )'t', (char const )'h', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'t', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )'\000'}; [L5198-L5202] static char const __mod_license65[12] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )'\000'}; [L5203-L5204] static char const driver_name[5] = { (char const )'c', (char const )'a', (char const )'t', (char const )'c', (char const )'\000'}; [L6129-L6176] static struct ethtool_ops const ops = {& catc_get_settings, (int (*)(struct net_device * , struct ethtool_cmd * ))0, & catc_get_drvinfo, (int (*)(struct net_device * ))0, (void (*)(struct net_device * , struct ethtool_regs * , void * ))0, (void (*)(struct net_device * , struct ethtool_wolinfo * ))0, (int (*)(struct net_device * , struct ethtool_wolinfo * ))0, (u32 (*)(struct net_device * ))0, (void (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * ))0, & ethtool_op_get_link, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (void (*)(struct net_device * , struct ethtool_ringparam * ))0, (int (*)(struct net_device * , struct ethtool_ringparam * ))0, (void (*)(struct net_device * , struct ethtool_pauseparam * ))0, (int (*)(struct net_device * , struct ethtool_pauseparam * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (void (*)(struct net_device * , struct ethtool_test * , u64 * ))0, (void (*)(struct net_device * , u32 stringset , u8 * ))0, (int (*)(struct net_device * , enum ethtool_phys_id_state ))0, (void (*)(struct net_device * , struct ethtool_stats * , u64 * ))0, (int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * , void * ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * ))0, (int (*)(struct net_device * , struct ethtool_flash * ))0, (int (*)(struct net_device * , u32 * ))0, (int (*)(struct net_device * , struct ethtool_rx_ntuple * ))0, (int (*)(struct net_device * , u32 stringset , void * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir const * ))0, (void (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0, (int (*)(struct net_device * , struct ethtool_dump * , void * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0}; [L6231-L6269] static struct net_device_ops const catc_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & catc_open, & catc_stop, & catc_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, & catc_set_multicast_list, & eth_mac_addr, & eth_validate_addr, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, & eth_change_mtu, (int (*)(struct net_device *dev , struct neigh_parms * ))0, & catc_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6270] static struct lock_class_key __key___9 ; [L6271] static struct lock_class_key __key___10 ; [L6272] static struct lock_class_key __key___11 ; [L6684-L6692] static struct usb_device_id catc_id_table[3] = { {(__u16 )3, (__u16 )1059, (__u16 )10, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )1059, (__u16 )12, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )2257, (__u16 )1, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6695-L6710] static struct usb_driver catc_driver = {driver_name, & catc_probe, & catc_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(catc_id_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6763] int LDV_IN_INTERRUPT ; [L6764] static int res_catc_open_15 ; [L6765] static int res_catc_stop_16 ; [L6766] static int res_catc_probe_17 ; [L6959] int ldv_urb_state = 0; [L6960] int ldv_coherent_state = 0; VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6768] struct net_device *var_group1 ; [L6769] struct ethtool_drvinfo *var_group2 ; [L6770] struct ethtool_cmd *var_group3 ; [L6771] struct sk_buff *var_group4 ; [L6772] struct usb_interface *var_group5 ; [L6773] struct usb_device_id const *var_catc_probe_17_p1 ; [L6774] unsigned long var_catc_stats_timer_10_p0 ; [L6775] int tmp___7 ; [L6776] int ldv_s_catc_netdev_ops_net_device_ops ; [L6777] int ldv_s_catc_driver_usb_driver ; [L6778] int tmp___8 ; [L6779] int tmp___9 ; [L6782] LDV_IN_INTERRUPT = 1 [L6783] FCALL ldv_initialize() [L6784] CALL, EXPR catc_init() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6714] int result ; [L6715] int tmp___7 ; [L6718] CALL, EXPR usb_register(& catc_driver) [L5088] int tmp___7 ; [L5091] CALL, EXPR usb_register_driver(driver, & __this_module, "catc") [L7209] return __VERIFIER_nondet_int(); [L5091] RET, EXPR usb_register_driver(driver, & __this_module, "catc") [L5091] tmp___7 = usb_register_driver(driver, & __this_module, "catc") [L5093] return (tmp___7); VAL [\result=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver={4611686018427387936:0}, driver={4611686018427387936:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6718] RET, EXPR usb_register(& catc_driver) [L6718] tmp___7 = usb_register(& catc_driver) [L6719] result = tmp___7 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6721] COND TRUE result == 0 [L6727] return (result); VAL [\result=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6784] RET, EXPR catc_init() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_init()=0, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6784] tmp___7 = catc_init() [L6786] COND FALSE !(\read(tmp___7)) [L6790] ldv_s_catc_netdev_ops_net_device_ops = 0 [L6791] ldv_s_catc_driver_usb_driver = 0 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6793] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___9=2147483648] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6815] COND FALSE !(tmp___8 == 2) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6818] COND FALSE !(tmp___8 == 3) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6821] COND FALSE !(tmp___8 == 4) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6824] COND FALSE !(tmp___8 == 5) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6827] COND FALSE !(tmp___8 == 6) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6830] COND TRUE tmp___8 == 7 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648] [L6895] COND TRUE ldv_s_catc_driver_usb_driver == 0 [L6897] CALL, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6274] struct usb_device *usbdev ; [L6275] struct usb_device *tmp___7 ; [L6276] struct net_device *netdev ; [L6277] struct catc *catc ; [L6278] u8 broadcast[6] ; [L6279] int i ; [L6280] int pktsz ; [L6281] int tmp___8 ; [L6282] void *tmp___9 ; [L6283] unsigned int tmp___10 ; [L6284] unsigned int tmp___11 ; [L6285] unsigned int tmp___12 ; [L6286] unsigned int tmp___13 ; [L6287] char const *tmp___14 ; [L6288] int tmp___15 ; [L6291] CALL, EXPR interface_to_usbdev(intf) [L5065] struct device const *__mptr ; [L5067] EXPR intf->dev.parent [L5067] __mptr = (struct device const *)intf->dev.parent [L5068] return ((struct usb_device *)((char *)__mptr - (unsigned int )(& ((struct usb_device *)0)->dev))); VAL [\result={0:-131}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __mptr={0:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6291] RET, EXPR interface_to_usbdev(intf) [L6291] tmp___7 = interface_to_usbdev(intf) [L6292] usbdev = tmp___7 [L6293] EXPR intf->altsetting [L6293] EXPR (intf->altsetting)->desc.bInterfaceNumber [L6293-L6294] CALL, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L7213] return __VERIFIER_nondet_int(); [L6293-L6294] RET, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6293-L6294] tmp___8 = usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6296] COND FALSE !(\read(tmp___8)) [L6304] CALL, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L7117] CALL, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(size)=2416, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7117] RET, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(arg0)=null, \old(arg1)=1, \old(arg2)=1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arg0=null, arg1=1, arg2=1, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct net_device))={30:0}, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7117] return ldv_malloc(sizeof(struct net_device)); [L6304] RET, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6304] netdev = alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6306] COND FALSE !(! netdev) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, usbdev={0:-131}] [L6311] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={30:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={30:2432}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={30:0}, dev={30:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6311] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, netdev_priv((struct net_device const *)netdev)={30:2432}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, usbdev={0:-131}] [L6311] tmp___9 = netdev_priv((struct net_device const *)netdev) [L6312] catc = (struct catc *)tmp___9 [L6313] netdev->netdev_ops = & catc_netdev_ops [L6314] netdev->watchdog_timeo = 1250 [L6315] netdev->ethtool_ops = & ops [L6316] catc->usbdev = usbdev [L6317] catc->netdev = netdev VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6320] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6323] CALL spinlock_check(& catc->tx_lock) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={30:2472}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={30:2472}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={30:2472}, lock={30:2472}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6323] RET spinlock_check(& catc->tx_lock) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->tx_lock)={30:2472}, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6326] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6329-L6330] FCALL __raw_spin_lock_init(& catc->tx_lock.__annonCompField18.rlock, "&(&catc->tx_lock)->rlock", & __key___9) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6343] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6346] CALL spinlock_check(& catc->ctrl_lock) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={30:2536}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={30:2536}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={30:2536}, lock={30:2536}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6346] RET spinlock_check(& catc->ctrl_lock) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->ctrl_lock)={30:2536}, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6349] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6352-L6353] FCALL __raw_spin_lock_init(& catc->ctrl_lock.__annonCompField18.rlock, "&(&catc->ctrl_lock)->rlock", & __key___10) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6366] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6369] FCALL init_timer_key(& catc->timer, "&catc->timer", & __key___11) [L6377] catc->timer.data = (unsigned long )((long )catc) [L6378] catc->timer.function = & catc_stats_timer VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6379] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, \old(size)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={34:0}, ldv_urb_state=0, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={34:0}, ldv_urb_state=0, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={34:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={34:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, \result={34:0}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={34:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={34:0}] [L6379] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usb_alloc_urb(0, 208U)={34:0}, usbdev={0:-131}] [L6379] catc->ctrl_urb = usb_alloc_urb(0, 208U) [L6380] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, \old(size)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={27:0}, ldv_urb_state=1, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={27:0}, ldv_urb_state=1, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={27:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={27:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, \result={27:0}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={27:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={27:0}] [L6380] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usb_alloc_urb(0, 208U)={27:0}, usbdev={0:-131}] [L6380] catc->tx_urb = usb_alloc_urb(0, 208U) [L6381] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=2, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, \old(size)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={25:0}, ldv_urb_state=2, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={25:0}, ldv_urb_state=2, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={25:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={25:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, \result={25:0}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={25:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={25:0}] [L6381] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usb_alloc_urb(0, 208U)={25:0}, usbdev={0:-131}] [L6381] catc->rx_urb = usb_alloc_urb(0, 208U) [L6382] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=3, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, \old(size)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={31:0}, ldv_urb_state=3, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={31:0}, ldv_urb_state=3, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={31:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={31:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, \result={31:0}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arbitrary_memory={31:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, mem_flags=208, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={31:0}] [L6382] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usb_alloc_urb(0, 208U)={31:0}, usbdev={0:-131}] [L6382] catc->irq_urb = usb_alloc_urb(0, 208U) [L6384] EXPR catc->ctrl_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->ctrl_urb={34:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6384] COND FALSE !(! catc->ctrl_urb) [L6387] EXPR catc->tx_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->tx_urb={27:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6387] COND FALSE !(! catc->tx_urb) [L6390] EXPR catc->rx_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->rx_urb={25:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6390] COND FALSE !(! catc->rx_urb) [L6393] EXPR catc->irq_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->irq_urb={31:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6393] COND FALSE !(! catc->irq_urb) [L6406] EXPR usbdev->descriptor.idVendor VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}, usbdev->descriptor.idVendor=0] [L6406] COND FALSE !((int )usbdev->descriptor.idVendor == 1059) [L6429] pktsz = 23070 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6432] CALL, EXPR __create_pipe(usbdev, 0U) VAL [\old(endpoint)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6432] RET, EXPR __create_pipe(usbdev, 0U) VAL [__create_pipe(usbdev, 0U)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6432] tmp___10 = __create_pipe(usbdev, 0U) [L6433] EXPR catc->ctrl_urb [L6433-L6435] CALL usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L5103] urb->dev = dev [L5104] urb->pipe = pipe [L5105] urb->setup_packet = setup_packet [L5106] urb->transfer_buffer = transfer_buffer [L5107] urb->transfer_buffer_length = (u32 )buffer_length [L5108] urb->complete = complete_fn [L5109] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=2147483648, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=0, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:13}, complete_fn={9223372036854775806:13}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=2147483648, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, setup_packet={0:0}, setup_packet={0:0}, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={34:0}, urb={34:0}] [L6433-L6435] RET usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L6436] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6436] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=32768, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6436] tmp___11 = __create_pipe(usbdev, 1U) [L6437] EXPR catc->tx_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->tx_urb={27:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6437-L6438] CALL usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [\old(buffer_length)=0, \old(pipe)=3221258240, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:14}, context={30:2432}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, urb={27:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=3221258240, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=0, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:14}, complete_fn={9223372036854775806:14}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=3221258240, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={27:0}, urb={27:0}] [L6437-L6438] RET usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->tx_urb={27:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6439] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6439] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=32768, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6439] tmp___12 = __create_pipe(usbdev, 1U) [L6440] EXPR catc->rx_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->rx_urb={25:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6440-L6441] CALL usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [\old(buffer_length)=23070, \old(pipe)=3221258368, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:15}, context={30:2432}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={30:48740}, urb={25:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=23070, \old(pipe)=3221258368, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=23070, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:15}, complete_fn={9223372036854775806:15}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=3221258368, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={30:48740}, transfer_buffer={30:48740}, urb={25:0}, urb={25:0}] [L6440-L6441] RET usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->rx_urb={25:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6442] CALL, EXPR __create_pipe(usbdev, 2U) VAL [\old(endpoint)=2, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6442] RET, EXPR __create_pipe(usbdev, 2U) VAL [__create_pipe(usbdev, 2U)=65536, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6442] tmp___13 = __create_pipe(usbdev, 2U) [L6443] EXPR catc->irq_urb [L6443-L6444] CALL usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L5134] urb->dev = dev [L5135] urb->pipe = pipe [L5136] urb->transfer_buffer = transfer_buffer [L5137] urb->transfer_buffer_length = (u32 )buffer_length [L5138] urb->complete = complete_fn [L5139] urb->context = context [L5140] EXPR dev->speed VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=1073807488, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=2, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:16}, complete_fn={9223372036854775806:16}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, dev->speed=3, driver_name={4611686018427388672:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=1073807488, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={30:71810}, transfer_buffer={30:71810}, urb={31:0}, urb={31:0}] [L5140] COND TRUE (unsigned int )dev->speed == 3U [L5141] urb->interval = 1 << (interval - 1) VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=1073807488, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=2, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:16}, complete_fn={9223372036854775806:16}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, driver_name={4611686018427388672:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=1073807488, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={30:71810}, transfer_buffer={30:71810}, urb={31:0}, urb={31:0}] [L5148] urb->start_frame = -1 VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=1073807488, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buffer_length=2, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, complete_fn={9223372036854775806:16}, complete_fn={9223372036854775806:16}, context={30:2432}, context={30:2432}, dev={0:-131}, dev={0:-131}, driver_name={4611686018427388672:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, pipe=1073807488, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={30:71810}, transfer_buffer={30:71810}, urb={31:0}, urb={31:0}] [L6443-L6444] RET usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L6446] EXPR catc->is_f5u011 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->is_f5u011=-128, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6446] COND FALSE !(! catc->is_f5u011) [L6599] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6607] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __create_pipe(catc->usbdev, 0U)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=0, tmp___9=2147483648, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, \result=-2147483648, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={2305843009213693959:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L6607] RET catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0)=-2147483648, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6608] EXPR netdev->dev_addr VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, netdev->dev_addr={0:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6608-L6609] CALL catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND TRUE \read(dir) [L5686] EXPR catc->usbdev VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5686] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __create_pipe(catc->usbdev, 0U)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] tmp___7 = __create_pipe(catc->usbdev, 0U) [L5687] tmp___9 = ((unsigned int )(2 << 30) | tmp___7) | 128U VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___9=2147483776, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___7=0, tmp___9=2147483776, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___7=0, tmp___9=2147483776, value=0] [L5705] return (tmp___11); VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, \result=-2147483648, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={0:0}, buf={0:0}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=128, driver_name={4611686018427388672:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={2305843009213693959:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___7=0, tmp___9=2147483776, value=0] [L6608-L6609] RET catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6)=-2147483648, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, netdev->dev_addr={0:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6612] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6620] catc->rxmode[0] = (u8 )11 [L6621] catc->rxmode[1] = (u8 )0 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6622-L6623] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:-131}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __create_pipe(catc->usbdev, 0U)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc->usbdev={0:-131}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=0, tmp___9=2147483648, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, \result=-2147483648, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, buf={30:72545}, buf={30:72545}, catc={30:2432}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dir=0, driver_name={4611686018427388672:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={2305843009213693959:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=2147483648, tmp___10=2147483648, tmp___11=2147483648, tmp___8=0, tmp___9=2147483648, value=0] [L6622-L6623] RET catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2)=-2147483648, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6627] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6634] catc->is_f5u011 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc->is_f5u011=-128, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6634] COND TRUE catc->is_f5u011 [L6635] tmp___14 = "Belkin F5U011" VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={21:0}, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6640] EXPR usbdev->bus [L6640] (usbdev->bus)->bus_name [L6641] netdev->dev_addr [L6642] CALL usb_set_intfdata(intf, (void *)catc) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5059] CALL dev_set_drvdata(& intf->dev, data) [L7138] return __VERIFIER_nondet_int(); [L5059] RET dev_set_drvdata(& intf->dev, data) [L6642] RET usb_set_intfdata(intf, (void *)catc) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, broadcast={4611686018427388160:0}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, i={4611686018427387906:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={21:0}, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6643] netdev->dev.parent = & intf->dev [L6644] CALL, EXPR register_netdev(netdev) [L7187] return __VERIFIER_nondet_int(); [L6644] RET, EXPR register_netdev(netdev) [L6644] tmp___15 = register_netdev(netdev) [L6646] COND FALSE !(tmp___15 != 0) [L6658] return (0); [L6658] return (0); [L6658] return (0); VAL [\result=0, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc={30:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, id={53:55}, id={53:55}, intf={0:0}, intf={0:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={30:0}, ops={2305843009213693959:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=0, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={21:0}, tmp___15=0, tmp___7={0:-131}, tmp___8=0, tmp___9={30:2432}, usbdev={0:-131}] [L6897] RET, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6897] res_catc_probe_17 = catc_probe(var_group5, var_catc_probe_17_p1) [L6898] FCALL ldv_check_return_value(res_catc_probe_17) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6900] COND FALSE !(\read(res_catc_probe_17)) [L6904] ldv_s_catc_driver_usb_driver = ldv_s_catc_driver_usb_driver + 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6793] COND TRUE 1 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6815] COND TRUE tmp___8 == 2 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group5={0:0}] [L6852] COND TRUE ldv_s_catc_netdev_ops_net_device_ops == 0 [L6854] CALL, EXPR catc_open(var_group1) [L6178] struct catc *catc ; [L6179] void *tmp___7 ; [L6180] int status ; VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={0:0}, netdev={0:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={0:2432}, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, dev={0:0}, dev={0:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={0:0}, netdev={0:0}, netdev_priv((struct net_device const *)netdev)={0:2432}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6184] catc = (struct catc *)tmp___7 [L6185] EXPR catc->irq_urb [L6185] EXPR catc->usbdev [L6185] (catc->irq_urb)->dev = catc->usbdev [L6186] EXPR catc->irq_urb VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc={0:2432}, catc->irq_urb={0:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={0:0}, netdev={0:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:2432}] [L6186] CALL, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [\old(arg1)=208, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, arg0={0:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7217] return __VERIFIER_nondet_int(); [L6186] RET, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc={0:2432}, catc->irq_urb={0:0}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={0:0}, netdev={0:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={0:2432}, usb_submit_urb(catc->irq_urb, 208U)=-2147483648] [L6186] status = usb_submit_urb(catc->irq_urb, 208U) [L6188] COND TRUE status < 0 [L6192] return (-1); VAL [\result=-1, __key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc={0:2432}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={0:0}, netdev={0:0}, ops={2305843009213693959:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, status=2147483648, tmp___7={0:2432}] [L6854] RET, EXPR catc_open(var_group1) [L6854] res_catc_open_15 = catc_open(var_group1) [L6855] FCALL ldv_check_return_value(res_catc_open_15) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group1={0:0}, var_group5={0:0}] [L6857] COND TRUE res_catc_open_15 < 0 VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group1={0:0}, var_group5={0:0}] [L6934] CALL catc_exit() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0] [L6736] FCALL usb_deregister(& catc_driver) [L6934] RET catc_exit() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=2147483648, var_catc_probe_17_p1={53:55}, var_group1={0:0}, var_group5={0:0}] [L6938] CALL ldv_check_final_state() [L7081] COND FALSE !(ldv_urb_state == 0) VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0] [L7084] CALL ldv_blast_assert() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0] [L6946] reach_error() VAL [__key___10={4611686018427387904:0}, __key___11={-9223372036854775806:0}, __key___9={4611686018427387915:0}, __this_module={66:57}, catc_driver={4611686018427387936:0}, catc_id_table={5764607523034234880:0}, catc_netdev_ops={6341068275337658368:0}, driver_name={4611686018427388672:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={2305843009213693959:0}, res_catc_open_15=4294967295, res_catc_probe_17=0, res_catc_stop_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 540 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 533.7s, OverallIterations: 23, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 424.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 88 mSolverCounterUnknown, 39223 SdHoareTripleChecker+Valid, 411.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38090 mSDsluCounter, 84538 SdHoareTripleChecker+Invalid, 394.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 303 IncrementalHoareTripleChecker+Unchecked, 65111 mSDsCounter, 23158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24811 IncrementalHoareTripleChecker+Invalid, 48360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23158 mSolverCounterUnsat, 19427 mSDtfsCounter, 24811 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6534 GetRequests, 6308 SyntacticMatches, 24 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12002occurred in iteration=15, InterpolantAutomatonStates: 198, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 1163 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 44.9s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 3520 NumberOfCodeBlocks, 3520 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 6444 ConstructedInterpolants, 138 QuantifiedInterpolants, 13556 SizeOfPredicates, 82 NumberOfNonLiveVariables, 19775 ConjunctsInSsa, 186 ConjunctsInUnsatCore, 44 InterpolantComputations, 25 PerfectInterpolantSequences, 4630/4842 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-19 05:39:57,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4478b5aa-8ca9-42cd-8786-6d94a22499a7/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample