./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8 --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 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:57:56,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:57:56,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:57:56,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:57:56,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:57:56,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:57:56,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:57:56,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:57:56,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:57:56,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:57:56,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:57:56,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:57:56,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:57:56,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:57:56,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:57:56,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:57:56,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:57:56,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:57:56,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:57:56,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:57:56,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:57:56,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:57:56,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:57:56,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:57:56,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:57:56,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:57:56,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:57:56,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:57:56,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:57:56,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:57:56,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:57:56,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:57:56,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:57:56,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:57:56,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:57:56,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:57:56,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:57:56,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:57:56,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:57:56,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:57:56,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:57:56,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 10:57:56,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:57:56,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:57:56,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:57:56,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:57:56,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:57:56,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:57:56,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:57:56,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:57:56,811 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:57:56,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:57:56,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:57:56,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:57:56,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:57:56,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:57:56,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:57:56,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:57:56,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:57:56,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:57:56,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:57:56,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:57:56,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:57:56,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:57:56,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:57:56,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:57:56,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:57:56,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:57:56,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:57:56,828 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:57:56,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:57:56,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:57:56,829 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_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2022-11-16 10:57:57,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:57:57,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:57:57,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:57:57,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:57:57,111 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:57:57,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:57:57,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/a1347c9dd/df9c0faba23f4acdbca50474709d4d96/FLAG9d304d7cd [2022-11-16 10:57:58,057 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:57:58,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:57:58,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/a1347c9dd/df9c0faba23f4acdbca50474709d4d96/FLAG9d304d7cd [2022-11-16 10:57:58,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/a1347c9dd/df9c0faba23f4acdbca50474709d4d96 [2022-11-16 10:57:58,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:57:58,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:57:58,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:58,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:57:58,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:57:58,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:58" (1/1) ... [2022-11-16 10:57:58,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1647714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:58, skipping insertion in model container [2022-11-16 10:57:58,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:57:58" (1/1) ... [2022-11-16 10:57:58,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:57:58,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:57:59,077 WARN L229 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_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-11-16 10:57:59,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:57:59,438 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:57:59,575 WARN L229 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_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-11-16 10:57:59,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:57:59,791 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:57:59,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59 WrapperNode [2022-11-16 10:57:59,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:57:59,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:57:59,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:57:59,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:57:59,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:57:59,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:57:59,947 INFO L138 Inliner]: procedures = 114, calls = 1219, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2200 [2022-11-16 10:57:59,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:57:59,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:57:59,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:57:59,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:57:59,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:57:59,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:57:59,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:57:59,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,037 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:58:00,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:58:00,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:58:00,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:58:00,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (1/1) ... [2022-11-16 10:58:00,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:58:00,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:00,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:00,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:58:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 10:58:00,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 10:58:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 10:58:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 10:58:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 10:58:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:58:00,184 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 10:58:00,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 10:58:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 10:58:00,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 10:58:00,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 10:58:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 10:58:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 10:58:00,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 10:58:00,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:58:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 10:58:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 10:58:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 10:58:00,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 10:58:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 10:58:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 10:58:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 10:58:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-16 10:58:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-16 10:58:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2022-11-16 10:58:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2022-11-16 10:58:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 10:58:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 10:58:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:58:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 10:58:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 10:58:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 10:58:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:58:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-16 10:58:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-16 10:58:00,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 10:58:00,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 10:58:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 10:58:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:58:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-16 10:58:00,191 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-16 10:58:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 10:58:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 10:58:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 10:58:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-16 10:58:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-16 10:58:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:58:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 10:58:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 10:58:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:58:00,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:58:00,762 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:58:00,779 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:58:00,909 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 10:58:01,000 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-16 10:58:03,283 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:58:03,294 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:58:03,294 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:58:03,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:03 BoogieIcfgContainer [2022-11-16 10:58:03,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:58:03,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:58:03,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:58:03,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:58:03,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:57:58" (1/3) ... [2022-11-16 10:58:03,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4e95d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:58:03, skipping insertion in model container [2022-11-16 10:58:03,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:57:59" (2/3) ... [2022-11-16 10:58:03,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4e95d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:58:03, skipping insertion in model container [2022-11-16 10:58:03,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:03" (3/3) ... [2022-11-16 10:58:03,306 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:58:03,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:58:03,326 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:58:03,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:58:03,397 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c32714f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:58:03,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:58:03,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 454 states, 347 states have (on average 1.3948126801152738) internal successors, (484), 358 states have internal predecessors, (484), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-11-16 10:58:03,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 10:58:03,413 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:03,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:03,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:03,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:03,420 INFO L85 PathProgramCache]: Analyzing trace with hash 492733079, now seen corresponding path program 1 times [2022-11-16 10:58:03,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:03,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593377839] [2022-11-16 10:58:03,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:03,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:04,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:04,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:04,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593377839] [2022-11-16 10:58:04,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593377839] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:04,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:04,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:04,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352868983] [2022-11-16 10:58:04,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:04,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:04,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:04,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:04,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:04,098 INFO L87 Difference]: Start difference. First operand has 454 states, 347 states have (on average 1.3948126801152738) internal successors, (484), 358 states have internal predecessors, (484), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-16 10:58:07,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:07,226 INFO L93 Difference]: Finished difference Result 1357 states and 2030 transitions. [2022-11-16 10:58:07,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:58:07,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 22 [2022-11-16 10:58:07,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:07,247 INFO L225 Difference]: With dead ends: 1357 [2022-11-16 10:58:07,247 INFO L226 Difference]: Without dead ends: 890 [2022-11-16 10:58:07,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:07,257 INFO L413 NwaCegarLoop]: 1077 mSDtfsCounter, 648 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:07,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 2252 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 10:58:07,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2022-11-16 10:58:07,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 856. [2022-11-16 10:58:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 662 states have (on average 1.3716012084592144) internal successors, (908), 668 states have internal predecessors, (908), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-11-16 10:58:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1225 transitions. [2022-11-16 10:58:07,421 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1225 transitions. Word has length 22 [2022-11-16 10:58:07,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:07,422 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1225 transitions. [2022-11-16 10:58:07,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-16 10:58:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1225 transitions. [2022-11-16 10:58:07,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:58:07,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:07,431 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:07,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:58:07,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:07,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:07,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1149769042, now seen corresponding path program 1 times [2022-11-16 10:58:07,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:07,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757188320] [2022-11-16 10:58:07,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:07,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:07,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:07,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:07,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757188320] [2022-11-16 10:58:07,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757188320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:07,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:07,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:07,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507709877] [2022-11-16 10:58:07,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:07,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:07,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:07,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:07,720 INFO L87 Difference]: Start difference. First operand 856 states and 1225 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:09,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:09,251 INFO L93 Difference]: Finished difference Result 916 states and 1303 transitions. [2022-11-16 10:58:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:58:09,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:58:09,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:09,267 INFO L225 Difference]: With dead ends: 916 [2022-11-16 10:58:09,267 INFO L226 Difference]: Without dead ends: 903 [2022-11-16 10:58:09,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:09,274 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 638 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:09,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 965 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 10:58:09,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2022-11-16 10:58:09,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 856. [2022-11-16 10:58:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 662 states have (on average 1.3700906344410877) internal successors, (907), 668 states have internal predecessors, (907), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-11-16 10:58:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1224 transitions. [2022-11-16 10:58:09,388 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1224 transitions. Word has length 32 [2022-11-16 10:58:09,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:09,389 INFO L495 AbstractCegarLoop]: Abstraction has 856 states and 1224 transitions. [2022-11-16 10:58:09,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1224 transitions. [2022-11-16 10:58:09,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:58:09,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:09,398 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:09,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:58:09,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:09,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:09,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1092510740, now seen corresponding path program 1 times [2022-11-16 10:58:09,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:09,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448809943] [2022-11-16 10:58:09,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:09,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:09,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:09,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:09,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:09,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448809943] [2022-11-16 10:58:09,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448809943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:09,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:09,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:09,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239452650] [2022-11-16 10:58:09,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:09,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:09,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:09,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:09,876 INFO L87 Difference]: Start difference. First operand 856 states and 1224 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:11,929 INFO L93 Difference]: Finished difference Result 2609 states and 3745 transitions. [2022-11-16 10:58:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:58:11,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:58:11,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:11,942 INFO L225 Difference]: With dead ends: 2609 [2022-11-16 10:58:11,942 INFO L226 Difference]: Without dead ends: 1765 [2022-11-16 10:58:11,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:11,947 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 668 mSDsluCounter, 885 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:11,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 1526 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 10:58:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2022-11-16 10:58:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1695. [2022-11-16 10:58:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1314 states have (on average 1.3675799086757991) internal successors, (1797), 1322 states have internal predecessors, (1797), 315 states have call successors, (315), 64 states have call predecessors, (315), 65 states have return successors, (318), 310 states have call predecessors, (318), 310 states have call successors, (318) [2022-11-16 10:58:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2430 transitions. [2022-11-16 10:58:12,082 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2430 transitions. Word has length 32 [2022-11-16 10:58:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:12,082 INFO L495 AbstractCegarLoop]: Abstraction has 1695 states and 2430 transitions. [2022-11-16 10:58:12,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2430 transitions. [2022-11-16 10:58:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 10:58:12,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:12,084 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:12,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:58:12,084 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:12,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:12,085 INFO L85 PathProgramCache]: Analyzing trace with hash 491692298, now seen corresponding path program 1 times [2022-11-16 10:58:12,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:12,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885382018] [2022-11-16 10:58:12,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:12,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:12,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:12,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:12,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:12,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885382018] [2022-11-16 10:58:12,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885382018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:12,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:12,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:12,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760038927] [2022-11-16 10:58:12,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:12,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:12,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:12,446 INFO L87 Difference]: Start difference. First operand 1695 states and 2430 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:15,646 INFO L93 Difference]: Finished difference Result 5174 states and 7419 transitions. [2022-11-16 10:58:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:58:15,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 10:58:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:15,664 INFO L225 Difference]: With dead ends: 5174 [2022-11-16 10:58:15,664 INFO L226 Difference]: Without dead ends: 3491 [2022-11-16 10:58:15,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:15,670 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 650 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:15,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 2169 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-16 10:58:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-11-16 10:58:15,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3364. [2022-11-16 10:58:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3364 states, 2611 states have (on average 1.3653772500957488) internal successors, (3565), 2623 states have internal predecessors, (3565), 623 states have call successors, (623), 126 states have call predecessors, (623), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2022-11-16 10:58:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 4822 transitions. [2022-11-16 10:58:15,882 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 4822 transitions. Word has length 33 [2022-11-16 10:58:15,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:15,883 INFO L495 AbstractCegarLoop]: Abstraction has 3364 states and 4822 transitions. [2022-11-16 10:58:15,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 4822 transitions. [2022-11-16 10:58:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 10:58:15,889 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:15,889 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:15,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:58:15,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:15,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:15,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1937616209, now seen corresponding path program 1 times [2022-11-16 10:58:15,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:15,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207764146] [2022-11-16 10:58:15,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:15,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:16,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:16,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:16,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207764146] [2022-11-16 10:58:16,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207764146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:16,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:16,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:16,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783504476] [2022-11-16 10:58:16,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:16,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:16,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:16,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:16,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:16,096 INFO L87 Difference]: Start difference. First operand 3364 states and 4822 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:19,964 INFO L93 Difference]: Finished difference Result 3489 states and 4994 transitions. [2022-11-16 10:58:19,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:58:19,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-16 10:58:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:19,987 INFO L225 Difference]: With dead ends: 3489 [2022-11-16 10:58:19,987 INFO L226 Difference]: Without dead ends: 3486 [2022-11-16 10:58:19,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:19,992 INFO L413 NwaCegarLoop]: 1032 mSDtfsCounter, 647 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:19,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 2167 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 10:58:20,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3486 states. [2022-11-16 10:58:20,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3486 to 3365. [2022-11-16 10:58:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3365 states, 2612 states have (on average 1.3652373660030628) internal successors, (3566), 2624 states have internal predecessors, (3566), 623 states have call successors, (623), 126 states have call predecessors, (623), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2022-11-16 10:58:20,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 3365 states and 4823 transitions. [2022-11-16 10:58:20,277 INFO L78 Accepts]: Start accepts. Automaton has 3365 states and 4823 transitions. Word has length 34 [2022-11-16 10:58:20,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:20,280 INFO L495 AbstractCegarLoop]: Abstraction has 3365 states and 4823 transitions. [2022-11-16 10:58:20,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:20,281 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 4823 transitions. [2022-11-16 10:58:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 10:58:20,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:20,282 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:20,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:58:20,285 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:20,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:20,286 INFO L85 PathProgramCache]: Analyzing trace with hash 63236269, now seen corresponding path program 1 times [2022-11-16 10:58:20,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:20,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744237946] [2022-11-16 10:58:20,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:20,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:20,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:20,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744237946] [2022-11-16 10:58:20,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744237946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:20,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:20,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:20,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970218945] [2022-11-16 10:58:20,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:20,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:20,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:20,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:20,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:20,499 INFO L87 Difference]: Start difference. First operand 3365 states and 4823 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:22,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:22,184 INFO L93 Difference]: Finished difference Result 3485 states and 4990 transitions. [2022-11-16 10:58:22,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:58:22,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-16 10:58:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:22,204 INFO L225 Difference]: With dead ends: 3485 [2022-11-16 10:58:22,204 INFO L226 Difference]: Without dead ends: 3482 [2022-11-16 10:58:22,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:22,208 INFO L413 NwaCegarLoop]: 567 mSDtfsCounter, 617 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:22,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 922 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 10:58:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2022-11-16 10:58:22,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3364. [2022-11-16 10:58:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3364 states, 2612 states have (on average 1.364854517611026) internal successors, (3565), 2623 states have internal predecessors, (3565), 622 states have call successors, (622), 126 states have call predecessors, (622), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2022-11-16 10:58:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3364 states to 3364 states and 4821 transitions. [2022-11-16 10:58:22,482 INFO L78 Accepts]: Start accepts. Automaton has 3364 states and 4821 transitions. Word has length 35 [2022-11-16 10:58:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:22,482 INFO L495 AbstractCegarLoop]: Abstraction has 3364 states and 4821 transitions. [2022-11-16 10:58:22,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 3364 states and 4821 transitions. [2022-11-16 10:58:22,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 10:58:22,484 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:22,484 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:58:22,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:58:22,484 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:22,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1960125810, now seen corresponding path program 1 times [2022-11-16 10:58:22,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:22,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147675481] [2022-11-16 10:58:22,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:22,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:58:22,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:22,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147675481] [2022-11-16 10:58:22,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147675481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:22,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:22,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:22,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731183415] [2022-11-16 10:58:22,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:22,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:58:22,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:22,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:22,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:22,676 INFO L87 Difference]: Start difference. First operand 3364 states and 4821 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:24,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:24,197 INFO L93 Difference]: Finished difference Result 3484 states and 4988 transitions. [2022-11-16 10:58:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:58:24,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 10:58:24,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:24,216 INFO L225 Difference]: With dead ends: 3484 [2022-11-16 10:58:24,216 INFO L226 Difference]: Without dead ends: 3472 [2022-11-16 10:58:24,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:58:24,219 INFO L413 NwaCegarLoop]: 565 mSDtfsCounter, 614 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:24,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 919 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-16 10:58:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3472 states. [2022-11-16 10:58:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3472 to 3354. [2022-11-16 10:58:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3354 states, 2603 states have (on average 1.3645793315405301) internal successors, (3552), 2613 states have internal predecessors, (3552), 621 states have call successors, (621), 126 states have call predecessors, (621), 129 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2022-11-16 10:58:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 3354 states and 4807 transitions. [2022-11-16 10:58:24,466 INFO L78 Accepts]: Start accepts. Automaton has 3354 states and 4807 transitions. Word has length 36 [2022-11-16 10:58:24,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:24,469 INFO L495 AbstractCegarLoop]: Abstraction has 3354 states and 4807 transitions. [2022-11-16 10:58:24,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:58:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 3354 states and 4807 transitions. [2022-11-16 10:58:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 10:58:24,473 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:24,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-16 10:58:24,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:58:24,474 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:24,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:24,475 INFO L85 PathProgramCache]: Analyzing trace with hash 351540735, now seen corresponding path program 1 times [2022-11-16 10:58:24,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:24,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705047115] [2022-11-16 10:58:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:24,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 10:58:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 10:58:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-16 10:58:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-16 10:58:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 10:58:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 10:58:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 10:58:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-16 10:58:24,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:24,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705047115] [2022-11-16 10:58:24,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705047115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:24,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:24,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:58:24,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353928769] [2022-11-16 10:58:24,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:24,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:58:24,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:24,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:58:24,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:58:24,905 INFO L87 Difference]: Start difference. First operand 3354 states and 4807 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 10:58:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:26,097 INFO L93 Difference]: Finished difference Result 6942 states and 9945 transitions. [2022-11-16 10:58:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:58:26,098 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-11-16 10:58:26,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:26,115 INFO L225 Difference]: With dead ends: 6942 [2022-11-16 10:58:26,115 INFO L226 Difference]: Without dead ends: 3600 [2022-11-16 10:58:26,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:58:26,126 INFO L413 NwaCegarLoop]: 575 mSDtfsCounter, 162 mSDsluCounter, 1321 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:26,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1896 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 10:58:26,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3600 states. [2022-11-16 10:58:26,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3600 to 3458. [2022-11-16 10:58:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3458 states, 2706 states have (on average 1.3665927568366594) internal successors, (3698), 2716 states have internal predecessors, (3698), 621 states have call successors, (621), 127 states have call predecessors, (621), 130 states have return successors, (634), 618 states have call predecessors, (634), 618 states have call successors, (634) [2022-11-16 10:58:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3458 states and 4953 transitions. [2022-11-16 10:58:26,531 INFO L78 Accepts]: Start accepts. Automaton has 3458 states and 4953 transitions. Word has length 103 [2022-11-16 10:58:26,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:26,533 INFO L495 AbstractCegarLoop]: Abstraction has 3458 states and 4953 transitions. [2022-11-16 10:58:26,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (10), 5 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 10:58:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 3458 states and 4953 transitions. [2022-11-16 10:58:26,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 10:58:26,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:26,537 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-11-16 10:58:26,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:58:26,538 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:26,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,539 INFO L85 PathProgramCache]: Analyzing trace with hash -896608629, now seen corresponding path program 1 times [2022-11-16 10:58:26,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634915241] [2022-11-16 10:58:26,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 10:58:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 10:58:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 10:58:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 10:58:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-16 10:58:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 10:58:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 10:58:28,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:28,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634915241] [2022-11-16 10:58:28,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634915241] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:58:28,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561451633] [2022-11-16 10:58:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:58:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:28,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:58:28,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 10:58:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:29,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 2336 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-16 10:58:29,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 10:58:29,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:58:29,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561451633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:29,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 10:58:29,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 22 [2022-11-16 10:58:29,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384278971] [2022-11-16 10:58:29,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:29,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 10:58:29,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:29,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 10:58:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-11-16 10:58:29,708 INFO L87 Difference]: Start difference. First operand 3458 states and 4953 transitions. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:58:31,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:31,701 INFO L93 Difference]: Finished difference Result 7139 states and 10248 transitions. [2022-11-16 10:58:31,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 10:58:31,702 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 112 [2022-11-16 10:58:31,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:31,733 INFO L225 Difference]: With dead ends: 7139 [2022-11-16 10:58:31,733 INFO L226 Difference]: Without dead ends: 3697 [2022-11-16 10:58:31,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2022-11-16 10:58:31,742 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 698 mSDsluCounter, 4848 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 5609 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:31,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 5609 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 10:58:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3697 states. [2022-11-16 10:58:31,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3697 to 3498. [2022-11-16 10:58:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 2738 states have (on average 1.3623082542001461) internal successors, (3730), 2748 states have internal predecessors, (3730), 621 states have call successors, (621), 127 states have call predecessors, (621), 138 states have return successors, (666), 626 states have call predecessors, (666), 618 states have call successors, (666) [2022-11-16 10:58:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 5017 transitions. [2022-11-16 10:58:32,018 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 5017 transitions. Word has length 112 [2022-11-16 10:58:32,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:32,019 INFO L495 AbstractCegarLoop]: Abstraction has 3498 states and 5017 transitions. [2022-11-16 10:58:32,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:58:32,019 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 5017 transitions. [2022-11-16 10:58:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 10:58:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:32,023 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2022-11-16 10:58:32,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:32,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 10:58:32,237 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:32,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1458580919, now seen corresponding path program 1 times [2022-11-16 10:58:32,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:32,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667288921] [2022-11-16 10:58:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 10:58:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 10:58:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 10:58:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-16 10:58:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-16 10:58:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 10:58:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:33,946 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 10:58:33,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:33,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667288921] [2022-11-16 10:58:33,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667288921] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:58:33,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320260366] [2022-11-16 10:58:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:33,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:58:33,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:33,949 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:58:33,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 10:58:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 2362 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-16 10:58:34,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-16 10:58:35,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:58:35,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320260366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:35,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 10:58:35,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2022-11-16 10:58:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862777073] [2022-11-16 10:58:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:35,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:58:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:58:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:58:35,636 INFO L87 Difference]: Start difference. First operand 3498 states and 5017 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:58:36,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:36,822 INFO L93 Difference]: Finished difference Result 6994 states and 10031 transitions. [2022-11-16 10:58:36,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:58:36,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2022-11-16 10:58:36,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:36,846 INFO L225 Difference]: With dead ends: 6994 [2022-11-16 10:58:36,846 INFO L226 Difference]: Without dead ends: 3504 [2022-11-16 10:58:36,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:58:36,861 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 570 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:36,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 2904 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 10:58:36,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2022-11-16 10:58:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 3498. [2022-11-16 10:58:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3498 states, 2738 states have (on average 1.3623082542001461) internal successors, (3730), 2748 states have internal predecessors, (3730), 621 states have call successors, (621), 127 states have call predecessors, (621), 138 states have return successors, (662), 626 states have call predecessors, (662), 618 states have call successors, (662) [2022-11-16 10:58:37,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 5013 transitions. [2022-11-16 10:58:37,264 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 5013 transitions. Word has length 118 [2022-11-16 10:58:37,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:37,267 INFO L495 AbstractCegarLoop]: Abstraction has 3498 states and 5013 transitions. [2022-11-16 10:58:37,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:58:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 5013 transitions. [2022-11-16 10:58:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 10:58:37,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:37,271 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 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] [2022-11-16 10:58:37,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:37,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 10:58:37,488 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:37,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:37,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1985273013, now seen corresponding path program 2 times [2022-11-16 10:58:37,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:37,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056979151] [2022-11-16 10:58:37,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:37,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:38,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 10:58:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 10:58:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-16 10:58:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:58:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 10:58:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:58:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-16 10:58:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 10:58:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-16 10:58:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-16 10:58:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:39,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056979151] [2022-11-16 10:58:39,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056979151] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:58:39,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150967529] [2022-11-16 10:58:39,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 10:58:39,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:58:39,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:39,309 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:58:39,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 10:58:40,407 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 10:58:40,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 10:58:40,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 2388 conjuncts, 46 conjunts are in the unsatisfiable core [2022-11-16 10:58:40,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 29 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 10:58:41,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:58:42,058 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-16 10:58:42,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150967529] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:58:42,059 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 10:58:42,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 10] total 28 [2022-11-16 10:58:42,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490954252] [2022-11-16 10:58:42,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 10:58:42,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-16 10:58:42,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:42,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-16 10:58:42,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=665, Unknown=0, NotChecked=0, Total=756 [2022-11-16 10:58:42,063 INFO L87 Difference]: Start difference. First operand 3498 states and 5013 transitions. Second operand has 28 states, 28 states have (on average 6.678571428571429) internal successors, (187), 19 states have internal predecessors, (187), 7 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (30), 13 states have call predecessors, (30), 7 states have call successors, (30) [2022-11-16 10:58:49,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:49,461 INFO L93 Difference]: Finished difference Result 7496 states and 10751 transitions. [2022-11-16 10:58:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-16 10:58:49,462 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.678571428571429) internal successors, (187), 19 states have internal predecessors, (187), 7 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (30), 13 states have call predecessors, (30), 7 states have call successors, (30) Word has length 124 [2022-11-16 10:58:49,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:58:49,482 INFO L225 Difference]: With dead ends: 7496 [2022-11-16 10:58:49,483 INFO L226 Difference]: Without dead ends: 4014 [2022-11-16 10:58:49,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 360 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=304, Invalid=1588, Unknown=0, NotChecked=0, Total=1892 [2022-11-16 10:58:49,494 INFO L413 NwaCegarLoop]: 1207 mSDtfsCounter, 4758 mSDsluCounter, 11484 mSDsCounter, 0 mSdLazyCounter, 4400 mSolverCounterSat, 1626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4888 SdHoareTripleChecker+Valid, 12691 SdHoareTripleChecker+Invalid, 6026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1626 IncrementalHoareTripleChecker+Valid, 4400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-16 10:58:49,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4888 Valid, 12691 Invalid, 6026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1626 Valid, 4400 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-16 10:58:49,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4014 states. [2022-11-16 10:58:49,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4014 to 3549. [2022-11-16 10:58:49,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3549 states, 2773 states have (on average 1.3573746844572665) internal successors, (3764), 2783 states have internal predecessors, (3764), 629 states have call successors, (629), 127 states have call predecessors, (629), 146 states have return successors, (710), 642 states have call predecessors, (710), 626 states have call successors, (710) [2022-11-16 10:58:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 5103 transitions. [2022-11-16 10:58:49,760 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 5103 transitions. Word has length 124 [2022-11-16 10:58:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:58:49,761 INFO L495 AbstractCegarLoop]: Abstraction has 3549 states and 5103 transitions. [2022-11-16 10:58:49,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.678571428571429) internal successors, (187), 19 states have internal predecessors, (187), 7 states have call successors, (31), 6 states have call predecessors, (31), 9 states have return successors, (30), 13 states have call predecessors, (30), 7 states have call successors, (30) [2022-11-16 10:58:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 5103 transitions. [2022-11-16 10:58:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 10:58:49,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:58:49,767 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 10:58:49,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:49,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 10:58:49,977 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:58:49,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:49,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1142145633, now seen corresponding path program 3 times [2022-11-16 10:58:49,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:49,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891194727] [2022-11-16 10:58:49,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:49,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:50,307 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:50,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:50,689 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 10:58:50,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 10:58:50,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 10:58:50,697 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:50,701 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:58:50,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:58:50 BoogieIcfgContainer [2022-11-16 10:58:50,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:58:50,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:58:50,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:58:50,966 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:58:50,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:03" (3/4) ... [2022-11-16 10:58:50,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:58:50,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:58:50,971 INFO L158 Benchmark]: Toolchain (without parser) took 52771.67ms. Allocated memory was 113.2MB in the beginning and 721.4MB in the end (delta: 608.2MB). Free memory was 86.5MB in the beginning and 301.5MB in the end (delta: -215.0MB). Peak memory consumption was 394.2MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,971 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 86.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:58:50,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1593.42ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 86.1MB in the beginning and 100.7MB in the end (delta: -14.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.39ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 87.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,973 INFO L158 Benchmark]: Boogie Preprocessor took 139.95ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,974 INFO L158 Benchmark]: RCFGBuilder took 3208.34ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 74.8MB in the beginning and 173.2MB in the end (delta: -98.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,974 INFO L158 Benchmark]: TraceAbstraction took 47666.42ms. Allocated memory was 234.9MB in the beginning and 721.4MB in the end (delta: 486.5MB). Free memory was 173.2MB in the beginning and 301.5MB in the end (delta: -128.2MB). Peak memory consumption was 358.3MB. Max. memory is 16.1GB. [2022-11-16 10:58:50,974 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 721.4MB. Free memory is still 301.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:58:50,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 86.9MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1593.42ms. Allocated memory was 113.2MB in the beginning and 151.0MB in the end (delta: 37.7MB). Free memory was 86.1MB in the beginning and 100.7MB in the end (delta: -14.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.39ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 87.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.95ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 74.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3208.34ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 74.8MB in the beginning and 173.2MB in the end (delta: -98.4MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * TraceAbstraction took 47666.42ms. Allocated memory was 234.9MB in the beginning and 721.4MB in the end (delta: 486.5MB). Free memory was 173.2MB in the beginning and 301.5MB in the end (delta: -128.2MB). Peak memory consumption was 358.3MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 721.4MB. Free memory is still 301.5MB. 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: 3735]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 3669. Possible FailurePath: [L3830-L3844] static struct usb_device_id const gtco_usbid_table[6U] = { {3U, 1932U, 1024U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 1025U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4098U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L5067] struct urb *usb_urb = 0; [L5065] int SERIAL_STATE = 0; [L3759] int LDV_IN_INTERRUPT = 1; [L3761] struct usb_interface *gtco_driverinfo_table_group1 ; [L3845] struct usb_device_id const __mod_usb_device_table ; [L5066] void *usb_intfdata = 0; [L4829-L4834] static struct usb_driver gtco_driverinfo_table = {"gtco", & gtco_probe, & gtco_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& gtco_usbid_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L5072] void (*completeFnInt)(struct urb * ) ; [L4850] int ldv_retval_0 ; [L5068] struct usb_device *usb_dev = 0; [L4851] int ldv_retval_1 ; [L5069] int dev_counter = 0; [L5073] void (*completeFnBulk)(struct urb * ) ; [L3762] int ref_cnt ; [L5064] int INTERF_STATE = 0; [L5070] int completeFnIntCounter = 0; [L5071] int completeFnBulkCounter = 0; [L3763] int ldv_state_variable_0 ; [L3758] int ldv_state_variable_1 ; [L3760] int usb_counter ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4865] struct usb_device_id *ldvarg0 ; [L4866] void *tmp ; [L4867] int tmp___0 ; [L4868] int tmp___1 ; [L4869] int tmp___2 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=-2, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] tmp = ldv_zalloc(32UL) [L4872] ldvarg0 = (struct usb_device_id *)tmp [L4873] FCALL ldv_initialize() [L4874] ldv_state_variable_1 = 0 [L4875] ref_cnt = 0 [L4876] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: [L4922] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4923] COND TRUE ldv_state_variable_0 == 1 [L4924] CALL, EXPR gtco_driverinfo_table_init() [L4837] int tmp ; [L4839] CALL, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L5036] ldv_func_ret_type ldv_func_res ; [L5037] int tmp ; [L5039] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5370] return __VERIFIER_nondet_int(); [L5039] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5039] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5040] ldv_func_res = tmp [L5041] ldv_state_variable_1 = 1 [L5042] usb_counter = 0 [L5043] CALL ldv_usb_driver_1() [L4856] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=-3, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] tmp = ldv_zalloc(1520UL) [L4859] gtco_driverinfo_table_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5043] RET ldv_usb_driver_1() [L5044] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={167:0}, ldv_func_arg1={167:0}, ldv_func_arg2={32772:32770}, ldv_func_arg2={32772:32770}, ldv_func_arg3={165:0}, ldv_func_arg3={165:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4839] RET, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4839] tmp = ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4840] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4924] RET, EXPR gtco_driverinfo_table_init() [L4924] ldv_retval_1 = gtco_driverinfo_table_init() [L4925] COND TRUE ldv_retval_1 == 0 [L4926] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4929] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4881] COND TRUE ldv_state_variable_1 != 0 [L4882] tmp___1 = __VERIFIER_nondet_int() [L4884] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4885] COND TRUE ldv_state_variable_1 == 1 [L4886] CALL, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4569] struct gtco *gtco ; [L4570] struct input_dev *input_dev ; [L4571] struct hid_descriptor *hid_desc ; [L4572] char *report ; [L4573] int result ; [L4574] int retry ; [L4575] int error ; [L4576] struct usb_endpoint_descriptor *endpoint ; [L4577] void *tmp ; [L4578] struct usb_device *tmp___0 ; [L4579] void *tmp___1 ; [L4580] struct _ddebug descriptor ; [L4581] long tmp___2 ; [L4582] struct _ddebug descriptor___0 ; [L4583] long tmp___3 ; [L4584] struct _ddebug descriptor___1 ; [L4585] long tmp___4 ; [L4586] struct _ddebug descriptor___2 ; [L4587] long tmp___5 ; [L4588] struct _ddebug descriptor___3 ; [L4589] long tmp___6 ; [L4590] int tmp___7 ; [L4591] struct _ddebug descriptor___4 ; [L4592] long tmp___8 ; [L4593] int tmp___9 ; [L4594] struct _ddebug descriptor___5 ; [L4595] long tmp___10 ; [L4596] void *tmp___11 ; [L4597] unsigned int tmp___12 ; [L4598] struct _ddebug descriptor___6 ; [L4599] long tmp___13 ; [L4600] unsigned int tmp___14 ; [L4602] result = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] CALL, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=152, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, \old(t)=32768, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, t=32768, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32768, \old(size)=152, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32768, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp___2={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=152, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={-36893488147419103233:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4603] RET, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] tmp = kzalloc(152UL, 208U) [L4604] gtco = (struct gtco *)tmp [L4605] CALL, EXPR input_allocate_device() [L3766] CALL, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551617:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, \old(t)=32768, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, t=32768, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32768, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32768, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp___2={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=128, \old(size)=2144, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=128, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={-18446744073709551617:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] RET, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u)={-18446744073709551617:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] return kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u); [L4605] RET, EXPR input_allocate_device() [L4605] input_dev = input_allocate_device() [L4606] COND FALSE !((unsigned long )gtco == (unsigned long )((struct gtco *)0) || (unsigned long )input_dev == (unsigned long )((struct input_dev *)0)) [L4612] gtco->inputdevice = input_dev [L4613] CALL, EXPR interface_to_usbdev(usbinterface) [L4956] struct usb_device *tmp ; [L4958] CALL, EXPR ldv_interface_to_usbdev() [L5177] void *result ; [L5178] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551615:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] tmp = ldv_malloc(sizeof(struct usb_device)) [L5181] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5182] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5186] return (result); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={-18446744073709551615:0}, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4958] RET, EXPR ldv_interface_to_usbdev() [L4958] tmp = ldv_interface_to_usbdev() [L4959] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4613] RET, EXPR interface_to_usbdev(usbinterface) [L4613] tmp___0 = interface_to_usbdev(usbinterface) [L4614] CALL, EXPR ldv_usb_get_dev_4(tmp___0) [L4980] struct usb_device *tmp ; [L4982] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L5191] int tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5193] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3717] int tmp ; [L3719] tmp = __VERIFIER_nondet_int() [L3720] return (tmp); VAL [={0:0}, ={0:0}, \result=178, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=178, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] tmp = ldv_undef_int() [L5195] COND TRUE \read(tmp) [L5196] dev_counter = dev_counter + 1 [L5197] usb_dev = data VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5205] return (usb_dev); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, data={-18446744073709551615:0}, data={-18446744073709551615:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=178, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4982] RET, EXPR ldv_get_dev(ldv_func_arg1) [L4982] tmp = ldv_get_dev(ldv_func_arg1) [L4983] return (tmp); VAL [={0:0}, ={0:0}, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={-18446744073709551615:0}, ldv_func_arg1={-18446744073709551615:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={-18446744073709551615:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4614] RET, EXPR ldv_usb_get_dev_4(tmp___0) [L4614] gtco->usbdev = ldv_usb_get_dev_4(tmp___0) [L4615] gtco->intf = usbinterface [L4616] EXPR gtco->usbdev [L4616] CALL, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L5353] CALL, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND TRUE tmp___0 != 0 [L3689] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=0, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=0, tmp___0=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] RET, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(arg1)=10, \old(arg2)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, arg0={-18446744073709551615:0}, arg0={-18446744073709551615:0}, arg1=10, arg2=208, arg3={-36893488147419103233:32}, arg3={-36893488147419103233:32}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] return ldv_malloc(0UL); [L4616] RET, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4616] tmp___1 = usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4617] gtco->buffer = (unsigned char *)tmp___1 [L4618] EXPR gtco->buffer VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, gtco={-36893488147419103233:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, tmp___0={-18446744073709551615:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4618] COND TRUE (unsigned long )gtco->buffer == (unsigned long )((unsigned char *)0U) [L4620] error = -12 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, error=-12, gtco={-36893488147419103233:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, tmp___0={-18446744073709551615:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4805] FCALL input_free_device(input_dev) [L4806] CALL kfree((void const *)gtco) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-36893488147419103233:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4806] RET kfree((void const *)gtco) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={168:0}, descriptor___0={174:0}, descriptor___1={177:0}, descriptor___2={176:0}, descriptor___3={175:0}, descriptor___4={169:0}, descriptor___5={173:0}, descriptor___6={170:0}, dev_counter=1, error=-12, gtco={-36893488147419103233:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={171:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, tmp___0={-18446744073709551615:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=-12, gtco={-36893488147419103233:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={-18446744073709551617:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={-36893488147419103233:0}, tmp___0={-18446744073709551615:0}, tmp___1={0:0}, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4886] RET, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4886] ldv_retval_0 = gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4887] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4915] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4916] CALL gtco_driverinfo_table_exit() [L4846] CALL ldv_usb_deregister_12(& gtco_driverinfo_table) [L5050] FCALL usb_deregister(arg) [L5051] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, arg={167:0}, arg={167:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4846] RET ldv_usb_deregister_12(& gtco_driverinfo_table) [L4916] RET gtco_driverinfo_table_exit() [L4917] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4950] CALL ldv_check_final_state() [L5283] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5287] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5289] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3735] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={32772:32770}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=-12, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={-18446744073709551615:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 456 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.3s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 29.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11160 SdHoareTripleChecker+Valid, 25.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10670 mSDsluCounter, 34020 SdHoareTripleChecker+Invalid, 22.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25279 mSDsCounter, 2645 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9420 IncrementalHoareTripleChecker+Invalid, 12065 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2645 mSolverCounterUnsat, 8741 mSDtfsCounter, 9420 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 674 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3549occurred in iteration=11, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1447 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 1165 NumberOfCodeBlocks, 1165 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 3975 SizeOfPredicates, 28 NumberOfNonLiveVariables, 7086 ConjunctsInSsa, 114 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 343/387 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 [2022-11-16 10:58:51,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8 --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 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:58:53,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:58:53,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:58:53,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:58:53,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:58:53,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:58:53,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:58:53,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:58:53,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:58:53,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:58:53,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:58:53,487 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:58:53,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:58:53,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:58:53,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:58:53,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:58:53,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:58:53,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:58:53,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:58:53,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:58:53,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:58:53,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:58:53,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:58:53,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:58:53,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:58:53,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:58:53,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:58:53,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:58:53,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:58:53,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:58:53,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:58:53,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:58:53,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:58:53,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:58:53,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:58:53,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:58:53,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:58:53,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:58:53,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:58:53,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:58:53,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:58:53,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 10:58:53,615 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:58:53,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:58:53,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:58:53,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:58:53,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:58:53,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:58:53,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:58:53,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:58:53,618 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:58:53,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:58:53,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:58:53,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:58:53,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:58:53,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:58:53,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 10:58:53,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 10:58:53,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 10:58:53,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:58:53,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:58:53,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:58:53,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:58:53,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:58:53,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:58:53,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:58:53,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:58:53,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:58:53,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:58:53,622 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 10:58:53,623 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 10:58:53,623 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:58:53,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:58:53,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:58:53,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 10:58:53,624 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_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63b56e314339d219b900d45eff744f2905a6b0e7256894e9da7286284d3b0c99 [2022-11-16 10:58:54,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:58:54,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:58:54,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:58:54,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:58:54,083 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:58:54,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:58:54,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/67f18467e/88c745374f504c3988801a821cfb976d/FLAG7bff9a792 [2022-11-16 10:58:55,233 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:58:55,233 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:58:55,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/67f18467e/88c745374f504c3988801a821cfb976d/FLAG7bff9a792 [2022-11-16 10:58:55,690 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/data/67f18467e/88c745374f504c3988801a821cfb976d [2022-11-16 10:58:55,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:58:55,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:58:55,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:55,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:58:55,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:58:55,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:55" (1/1) ... [2022-11-16 10:58:55,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbee150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:55, skipping insertion in model container [2022-11-16 10:58:55,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:55" (1/1) ... [2022-11-16 10:58:55,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:58:55,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:58:56,634 WARN L229 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_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-11-16 10:58:57,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:57,094 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-16 10:58:57,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:58:57,199 WARN L229 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_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-11-16 10:58:57,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:57,313 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:58:57,431 WARN L229 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_23c290ed-f228-4d16-9ad7-748d22cb4573/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i[104745,104758] [2022-11-16 10:58:57,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:57,604 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:58:57,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57 WrapperNode [2022-11-16 10:58:57,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:57,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:57,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:58:57,607 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:58:57,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,768 INFO L138 Inliner]: procedures = 126, calls = 1219, calls flagged for inlining = 51, calls inlined = 48, statements flattened = 2140 [2022-11-16 10:58:57,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:57,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:58:57,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:58:57,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:58:57,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,918 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:58:57,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:58:57,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:58:57,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:58:57,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (1/1) ... [2022-11-16 10:58:57,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:58:57,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:57,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:58,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:58:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-16 10:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 10:58:58,044 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 10:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-16 10:58:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 10:58:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-16 10:58:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 10:58:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 10:58:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 10:58:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 10:58:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 10:58:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 10:58:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 10:58:58,047 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 10:58:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 10:58:58,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 10:58:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 10:58:58,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 10:58:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-16 10:58:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 10:58:58,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 10:58:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 10:58:58,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 10:58:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 10:58:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-16 10:58:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-16 10:58:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure gtco_disconnect [2022-11-16 10:58:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure gtco_disconnect [2022-11-16 10:58:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 10:58:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 10:58:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:58:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 10:58:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 10:58:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 10:58:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:58:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-16 10:58:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-16 10:58:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 10:58:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 10:58:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 10:58:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-16 10:58:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-16 10:58:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-16 10:58:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:58:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 10:58:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-16 10:58:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-16 10:58:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 10:58:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-16 10:58:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 10:58:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 10:58:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-16 10:58:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 10:58:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 10:58:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-16 10:58:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-16 10:58:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 10:58:58,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 10:58:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:58:58,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:58:58,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:58:58,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:58:58,877 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 10:58:59,004 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-16 10:59:18,244 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:59:18,259 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:59:18,259 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:59:18,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:18 BoogieIcfgContainer [2022-11-16 10:59:18,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:59:18,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:59:18,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:59:18,270 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:59:18,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:58:55" (1/3) ... [2022-11-16 10:59:18,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:59:18, skipping insertion in model container [2022-11-16 10:59:18,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:57" (2/3) ... [2022-11-16 10:59:18,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153a9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:59:18, skipping insertion in model container [2022-11-16 10:59:18,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:18" (3/3) ... [2022-11-16 10:59:18,273 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--input--tablet--gtco.ko-entry_point.cil.out.i [2022-11-16 10:59:18,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:59:18,295 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:59:18,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:59:18,392 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3729ae1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:59:18,393 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:59:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 448 states, 341 states have (on average 1.3900293255131966) internal successors, (474), 352 states have internal predecessors, (474), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2022-11-16 10:59:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 10:59:18,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:18,417 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:18,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:18,432 INFO L85 PathProgramCache]: Analyzing trace with hash -400766241, now seen corresponding path program 1 times [2022-11-16 10:59:18,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:18,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068614469] [2022-11-16 10:59:18,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:18,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:18,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:18,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:18,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 10:59:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:19,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:19,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:19,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:59:19,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:19,230 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:19,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068614469] [2022-11-16 10:59:19,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068614469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:19,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:19,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:19,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922894649] [2022-11-16 10:59:19,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:19,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:19,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:19,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:19,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:19,301 INFO L87 Difference]: Start difference. First operand has 448 states, 341 states have (on average 1.3900293255131966) internal successors, (474), 352 states have internal predecessors, (474), 88 states have call successors, (88), 19 states have call predecessors, (88), 17 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-16 10:59:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:19,694 INFO L93 Difference]: Finished difference Result 1305 states and 1952 transitions. [2022-11-16 10:59:19,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:19,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 22 [2022-11-16 10:59:19,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:19,715 INFO L225 Difference]: With dead ends: 1305 [2022-11-16 10:59:19,715 INFO L226 Difference]: Without dead ends: 844 [2022-11-16 10:59:19,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:19,726 INFO L413 NwaCegarLoop]: 721 mSDtfsCounter, 596 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:19,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1337 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:19,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2022-11-16 10:59:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2022-11-16 10:59:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 650 states have (on average 1.366153846153846) internal successors, (888), 656 states have internal predecessors, (888), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-11-16 10:59:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1205 transitions. [2022-11-16 10:59:19,859 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1205 transitions. Word has length 22 [2022-11-16 10:59:19,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:19,859 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1205 transitions. [2022-11-16 10:59:19,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-11-16 10:59:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1205 transitions. [2022-11-16 10:59:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:59:19,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:19,863 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:19,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:20,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2058867746, now seen corresponding path program 1 times [2022-11-16 10:59:20,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:20,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140105768] [2022-11-16 10:59:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:20,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:20,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:20,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:20,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 10:59:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:20,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:20,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:20,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:20,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:20,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140105768] [2022-11-16 10:59:20,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140105768] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:20,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:20,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:20,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317427278] [2022-11-16 10:59:20,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:20,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:20,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:20,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:20,782 INFO L87 Difference]: Start difference. First operand 844 states and 1205 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:20,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:20,966 INFO L93 Difference]: Finished difference Result 870 states and 1237 transitions. [2022-11-16 10:59:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:59:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:20,973 INFO L225 Difference]: With dead ends: 870 [2022-11-16 10:59:20,973 INFO L226 Difference]: Without dead ends: 857 [2022-11-16 10:59:20,974 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:20,975 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 616 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:20,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 652 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2022-11-16 10:59:21,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 844. [2022-11-16 10:59:21,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 650 states have (on average 1.3646153846153846) internal successors, (887), 656 states have internal predecessors, (887), 161 states have call successors, (161), 33 states have call predecessors, (161), 32 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2022-11-16 10:59:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1204 transitions. [2022-11-16 10:59:21,091 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1204 transitions. Word has length 32 [2022-11-16 10:59:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:21,091 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1204 transitions. [2022-11-16 10:59:21,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1204 transitions. [2022-11-16 10:59:21,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:59:21,093 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:21,093 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:21,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:21,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:21,313 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:21,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:21,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2001609444, now seen corresponding path program 1 times [2022-11-16 10:59:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:21,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949680202] [2022-11-16 10:59:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:21,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:21,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:21,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:21,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 10:59:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:21,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 10:59:21,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:22,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:22,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:22,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949680202] [2022-11-16 10:59:22,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949680202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:22,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:22,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:59:22,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049240496] [2022-11-16 10:59:22,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:22,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:22,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:22,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:22,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:22,321 INFO L87 Difference]: Start difference. First operand 844 states and 1204 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:22,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:22,596 INFO L93 Difference]: Finished difference Result 2507 states and 3595 transitions. [2022-11-16 10:59:22,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:22,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:59:22,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:22,608 INFO L225 Difference]: With dead ends: 2507 [2022-11-16 10:59:22,609 INFO L226 Difference]: Without dead ends: 1675 [2022-11-16 10:59:22,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:22,615 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 594 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:22,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1304 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:22,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2022-11-16 10:59:22,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1665. [2022-11-16 10:59:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1665 states, 1286 states have (on average 1.3631415241057543) internal successors, (1753), 1294 states have internal predecessors, (1753), 315 states have call successors, (315), 64 states have call predecessors, (315), 63 states have return successors, (316), 310 states have call predecessors, (316), 310 states have call successors, (316) [2022-11-16 10:59:22,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1665 states and 2384 transitions. [2022-11-16 10:59:22,822 INFO L78 Accepts]: Start accepts. Automaton has 1665 states and 2384 transitions. Word has length 32 [2022-11-16 10:59:22,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:22,823 INFO L495 AbstractCegarLoop]: Abstraction has 1665 states and 2384 transitions. [2022-11-16 10:59:22,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2384 transitions. [2022-11-16 10:59:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 10:59:22,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:22,832 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:22,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:23,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:23,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:23,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1920564494, now seen corresponding path program 1 times [2022-11-16 10:59:23,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:23,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808406436] [2022-11-16 10:59:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:23,056 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:23,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 10:59:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:23,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 10:59:23,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:23,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:23,984 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:23,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808406436] [2022-11-16 10:59:23,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808406436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:23,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:23,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:59:23,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542028556] [2022-11-16 10:59:23,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:23,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:23,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:23,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:23,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:23,987 INFO L87 Difference]: Start difference. First operand 1665 states and 2384 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:24,430 INFO L93 Difference]: Finished difference Result 4966 states and 7115 transitions. [2022-11-16 10:59:24,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:24,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 10:59:24,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:24,448 INFO L225 Difference]: With dead ends: 4966 [2022-11-16 10:59:24,449 INFO L226 Difference]: Without dead ends: 3313 [2022-11-16 10:59:24,456 INFO L412 NwaCegarLoop]: 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 [2022-11-16 10:59:24,458 INFO L413 NwaCegarLoop]: 1093 mSDtfsCounter, 588 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:24,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1700 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:24,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2022-11-16 10:59:24,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 3304. [2022-11-16 10:59:24,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 2555 states have (on average 1.3608610567514676) internal successors, (3477), 2567 states have internal predecessors, (3477), 623 states have call successors, (623), 126 states have call predecessors, (623), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2022-11-16 10:59:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4730 transitions. [2022-11-16 10:59:24,827 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4730 transitions. Word has length 33 [2022-11-16 10:59:24,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:24,827 INFO L495 AbstractCegarLoop]: Abstraction has 3304 states and 4730 transitions. [2022-11-16 10:59:24,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4730 transitions. [2022-11-16 10:59:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 10:59:24,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:24,832 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:24,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:25,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:25,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:25,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:25,052 INFO L85 PathProgramCache]: Analyzing trace with hash 591833823, now seen corresponding path program 1 times [2022-11-16 10:59:25,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:25,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172209922] [2022-11-16 10:59:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:25,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:25,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:25,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:25,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-16 10:59:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:25,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:25,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:25,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:25,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:25,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172209922] [2022-11-16 10:59:25,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172209922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:25,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:25,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:59:25,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229529238] [2022-11-16 10:59:25,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:25,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:25,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:25,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:25,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:25,784 INFO L87 Difference]: Start difference. First operand 3304 states and 4730 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:26,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:26,146 INFO L93 Difference]: Finished difference Result 3311 states and 4736 transitions. [2022-11-16 10:59:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:26,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-11-16 10:59:26,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:26,168 INFO L225 Difference]: With dead ends: 3311 [2022-11-16 10:59:26,168 INFO L226 Difference]: Without dead ends: 3308 [2022-11-16 10:59:26,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:26,172 INFO L413 NwaCegarLoop]: 1094 mSDtfsCounter, 585 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:26,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 1700 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:59:26,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3308 states. [2022-11-16 10:59:26,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3308 to 3305. [2022-11-16 10:59:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 2556 states have (on average 1.3607198748043818) internal successors, (3478), 2568 states have internal predecessors, (3478), 623 states have call successors, (623), 126 states have call predecessors, (623), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2022-11-16 10:59:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4731 transitions. [2022-11-16 10:59:26,549 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4731 transitions. Word has length 34 [2022-11-16 10:59:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:26,552 INFO L495 AbstractCegarLoop]: Abstraction has 3305 states and 4731 transitions. [2022-11-16 10:59:26,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4731 transitions. [2022-11-16 10:59:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 10:59:26,553 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:26,553 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:26,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-11-16 10:59:26,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:26,781 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:26,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1166775189, now seen corresponding path program 1 times [2022-11-16 10:59:26,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:26,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137744235] [2022-11-16 10:59:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:26,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:26,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:26,786 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-16 10:59:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:27,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 937 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:27,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:27,500 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:27,500 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:27,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137744235] [2022-11-16 10:59:27,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137744235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:27,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:27,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:59:27,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529638354] [2022-11-16 10:59:27,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:27,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:27,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:27,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:27,502 INFO L87 Difference]: Start difference. First operand 3305 states and 4731 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:27,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:27,833 INFO L93 Difference]: Finished difference Result 3307 states and 4732 transitions. [2022-11-16 10:59:27,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:27,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-16 10:59:27,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:27,851 INFO L225 Difference]: With dead ends: 3307 [2022-11-16 10:59:27,851 INFO L226 Difference]: Without dead ends: 3304 [2022-11-16 10:59:27,853 INFO L412 NwaCegarLoop]: 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 [2022-11-16 10:59:27,856 INFO L413 NwaCegarLoop]: 618 mSDtfsCounter, 590 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:27,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 618 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:59:27,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2022-11-16 10:59:28,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 3304. [2022-11-16 10:59:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 2556 states have (on average 1.3603286384976525) internal successors, (3477), 2567 states have internal predecessors, (3477), 622 states have call successors, (622), 126 states have call predecessors, (622), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2022-11-16 10:59:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4729 transitions. [2022-11-16 10:59:28,199 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4729 transitions. Word has length 35 [2022-11-16 10:59:28,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:28,199 INFO L495 AbstractCegarLoop]: Abstraction has 3304 states and 4729 transitions. [2022-11-16 10:59:28,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4729 transitions. [2022-11-16 10:59:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 10:59:28,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:28,201 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 10:59:28,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:28,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:28,416 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:28,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1810093218, now seen corresponding path program 1 times [2022-11-16 10:59:28,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:28,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894483840] [2022-11-16 10:59:28,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:28,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:28,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:28,420 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:28,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-16 10:59:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:28,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:28,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 10:59:29,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:29,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:29,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894483840] [2022-11-16 10:59:29,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894483840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:29,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:29,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:59:29,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258466948] [2022-11-16 10:59:29,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:29,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:29,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:29,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:29,083 INFO L87 Difference]: Start difference. First operand 3304 states and 4729 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:29,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:29,410 INFO L93 Difference]: Finished difference Result 3306 states and 4730 transitions. [2022-11-16 10:59:29,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:29,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-16 10:59:29,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:29,429 INFO L225 Difference]: With dead ends: 3306 [2022-11-16 10:59:29,429 INFO L226 Difference]: Without dead ends: 3294 [2022-11-16 10:59:29,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:29,432 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 587 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 617 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 [2022-11-16 10:59:29,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:59:29,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2022-11-16 10:59:29,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2022-11-16 10:59:29,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 2547 states have (on average 1.3600314095013741) internal successors, (3464), 2557 states have internal predecessors, (3464), 621 states have call successors, (621), 126 states have call predecessors, (621), 125 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2022-11-16 10:59:29,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4715 transitions. [2022-11-16 10:59:29,810 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4715 transitions. Word has length 36 [2022-11-16 10:59:29,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:29,811 INFO L495 AbstractCegarLoop]: Abstraction has 3294 states and 4715 transitions. [2022-11-16 10:59:29,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:59:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4715 transitions. [2022-11-16 10:59:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-16 10:59:29,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:29,816 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-16 10:59:29,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:30,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:30,033 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:30,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:30,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1251140243, now seen corresponding path program 1 times [2022-11-16 10:59:30,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:30,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304633987] [2022-11-16 10:59:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:30,036 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:30,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:30,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-16 10:59:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:30,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1292 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:59:30,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-16 10:59:30,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:30,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:30,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304633987] [2022-11-16 10:59:30,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304633987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:30,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:30,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:30,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19073803] [2022-11-16 10:59:30,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:30,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:59:30,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:30,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:30,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:30,838 INFO L87 Difference]: Start difference. First operand 3294 states and 4715 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 10:59:31,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:31,335 INFO L93 Difference]: Finished difference Result 6704 states and 9595 transitions. [2022-11-16 10:59:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:31,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 103 [2022-11-16 10:59:31,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:31,355 INFO L225 Difference]: With dead ends: 6704 [2022-11-16 10:59:31,355 INFO L226 Difference]: Without dead ends: 3422 [2022-11-16 10:59:31,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:31,364 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 45 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:31,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 1216 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:59:31,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2022-11-16 10:59:31,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 3398. [2022-11-16 10:59:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3398 states, 2650 states have (on average 1.3622641509433961) internal successors, (3610), 2660 states have internal predecessors, (3610), 621 states have call successors, (621), 127 states have call predecessors, (621), 126 states have return successors, (630), 618 states have call predecessors, (630), 618 states have call successors, (630) [2022-11-16 10:59:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3398 states to 3398 states and 4861 transitions. [2022-11-16 10:59:31,767 INFO L78 Accepts]: Start accepts. Automaton has 3398 states and 4861 transitions. Word has length 103 [2022-11-16 10:59:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:31,768 INFO L495 AbstractCegarLoop]: Abstraction has 3398 states and 4861 transitions. [2022-11-16 10:59:31,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 10:59:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3398 states and 4861 transitions. [2022-11-16 10:59:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 10:59:31,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:31,772 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 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] [2022-11-16 10:59:31,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:31,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:31,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1970852009, now seen corresponding path program 1 times [2022-11-16 10:59:31,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:31,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448294231] [2022-11-16 10:59:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:31,999 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:31,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:32,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:32,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-16 10:59:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:32,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-16 10:59:32,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 10:59:33,202 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:33,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:33,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [448294231] [2022-11-16 10:59:33,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [448294231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:33,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:33,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:59:33,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443296509] [2022-11-16 10:59:33,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:33,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:59:33,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:33,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:59:33,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:59:33,205 INFO L87 Difference]: Start difference. First operand 3398 states and 4861 transitions. Second operand has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:59:35,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:35,148 INFO L93 Difference]: Finished difference Result 7248 states and 10412 transitions. [2022-11-16 10:59:35,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 10:59:35,149 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 112 [2022-11-16 10:59:35,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:35,167 INFO L225 Difference]: With dead ends: 7248 [2022-11-16 10:59:35,168 INFO L226 Difference]: Without dead ends: 3866 [2022-11-16 10:59:35,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-16 10:59:35,177 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 119 mSDsluCounter, 5299 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 5980 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:35,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 5980 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 10:59:35,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3866 states. [2022-11-16 10:59:35,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3866 to 3478. [2022-11-16 10:59:35,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3478 states, 2714 states have (on average 1.3537214443625645) internal successors, (3674), 2724 states have internal predecessors, (3674), 621 states have call successors, (621), 127 states have call predecessors, (621), 142 states have return successors, (694), 634 states have call predecessors, (694), 618 states have call successors, (694) [2022-11-16 10:59:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3478 states and 4989 transitions. [2022-11-16 10:59:35,568 INFO L78 Accepts]: Start accepts. Automaton has 3478 states and 4989 transitions. Word has length 112 [2022-11-16 10:59:35,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:35,569 INFO L495 AbstractCegarLoop]: Abstraction has 3478 states and 4989 transitions. [2022-11-16 10:59:35,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.2) internal successors, (82), 8 states have internal predecessors, (82), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:59:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3478 states and 4989 transitions. [2022-11-16 10:59:35,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-16 10:59:35,581 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:35,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2022-11-16 10:59:35,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-11-16 10:59:35,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:35,804 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash -856115803, now seen corresponding path program 1 times [2022-11-16 10:59:35,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:35,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1948910950] [2022-11-16 10:59:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:35,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:35,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:35,808 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:35,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-16 10:59:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:36,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-16 10:59:36,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 10:59:36,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:59:37,758 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-16 10:59:37,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:37,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1948910950] [2022-11-16 10:59:37,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1948910950] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:59:37,759 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 10:59:37,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-16 10:59:37,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785843328] [2022-11-16 10:59:37,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 10:59:37,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 10:59:37,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:37,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 10:59:37,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:59:37,761 INFO L87 Difference]: Start difference. First operand 3478 states and 4989 transitions. Second operand has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-16 10:59:40,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 10:59:42,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 10:59:44,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 10:59:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:44,256 INFO L93 Difference]: Finished difference Result 7376 states and 10588 transitions. [2022-11-16 10:59:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 10:59:44,266 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) Word has length 118 [2022-11-16 10:59:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:44,287 INFO L225 Difference]: With dead ends: 7376 [2022-11-16 10:59:44,288 INFO L226 Difference]: Without dead ends: 3914 [2022-11-16 10:59:44,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2022-11-16 10:59:44,298 INFO L413 NwaCegarLoop]: 670 mSDtfsCounter, 122 mSDsluCounter, 6591 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 7261 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:44,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 7261 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-11-16 10:59:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3914 states. [2022-11-16 10:59:44,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3914 to 3494. [2022-11-16 10:59:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2722 states have (on average 1.3526818515797208) internal successors, (3682), 2732 states have internal predecessors, (3682), 629 states have call successors, (629), 127 states have call predecessors, (629), 142 states have return successors, (710), 642 states have call predecessors, (710), 626 states have call successors, (710) [2022-11-16 10:59:44,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5021 transitions. [2022-11-16 10:59:44,699 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5021 transitions. Word has length 118 [2022-11-16 10:59:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:44,700 INFO L495 AbstractCegarLoop]: Abstraction has 3494 states and 5021 transitions. [2022-11-16 10:59:44,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.3125) internal successors, (101), 12 states have internal predecessors, (101), 4 states have call successors, (16), 2 states have call predecessors, (16), 6 states have return successors, (18), 8 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-16 10:59:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5021 transitions. [2022-11-16 10:59:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-16 10:59:44,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:44,703 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 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] [2022-11-16 10:59:44,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:44,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:44,926 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:44,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:44,926 INFO L85 PathProgramCache]: Analyzing trace with hash 797318953, now seen corresponding path program 2 times [2022-11-16 10:59:44,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:44,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598717992] [2022-11-16 10:59:44,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 10:59:44,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:44,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:44,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:44,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-16 10:59:46,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 10:59:46,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 10:59:46,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 10:59:46,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-16 10:59:46,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 10:59:46,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:46,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598717992] [2022-11-16 10:59:46,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598717992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:46,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:46,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:59:46,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110093181] [2022-11-16 10:59:46,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:46,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:59:46,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:46,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:59:46,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:59:46,255 INFO L87 Difference]: Start difference. First operand 3494 states and 5021 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:59:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:46,615 INFO L93 Difference]: Finished difference Result 6988 states and 10041 transitions. [2022-11-16 10:59:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:59:46,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 124 [2022-11-16 10:59:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:46,647 INFO L225 Difference]: With dead ends: 6988 [2022-11-16 10:59:46,648 INFO L226 Difference]: Without dead ends: 3494 [2022-11-16 10:59:46,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:59:46,659 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 1831 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2445 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:46,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2445 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:59:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3494 states. [2022-11-16 10:59:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3494 to 3494. [2022-11-16 10:59:47,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3494 states, 2722 states have (on average 1.3526818515797208) internal successors, (3682), 2732 states have internal predecessors, (3682), 629 states have call successors, (629), 127 states have call predecessors, (629), 142 states have return successors, (702), 642 states have call predecessors, (702), 626 states have call successors, (702) [2022-11-16 10:59:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 3494 states and 5013 transitions. [2022-11-16 10:59:47,016 INFO L78 Accepts]: Start accepts. Automaton has 3494 states and 5013 transitions. Word has length 124 [2022-11-16 10:59:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:47,017 INFO L495 AbstractCegarLoop]: Abstraction has 3494 states and 5013 transitions. [2022-11-16 10:59:47,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 10:59:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 5013 transitions. [2022-11-16 10:59:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 10:59:47,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:47,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 10:59:47,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-16 10:59:47,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:47,242 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:47,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:47,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1528589331, now seen corresponding path program 3 times [2022-11-16 10:59:47,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:47,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119261359] [2022-11-16 10:59:47,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 10:59:47,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:47,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:47,245 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:47,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-16 10:59:48,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-16 10:59:48,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 10:59:48,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1142 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 10:59:48,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:59:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-16 10:59:48,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:59:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-16 10:59:48,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 10:59:48,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119261359] [2022-11-16 10:59:48,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119261359] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:59:48,888 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 10:59:48,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-16 10:59:48,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033744289] [2022-11-16 10:59:48,888 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 10:59:48,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:59:48,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 10:59:48,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:59:48,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:59:48,889 INFO L87 Difference]: Start difference. First operand 3494 states and 5013 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-16 10:59:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:54,697 INFO L93 Difference]: Finished difference Result 20861 states and 29971 transitions. [2022-11-16 10:59:54,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:59:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 130 [2022-11-16 10:59:54,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:59:54,777 INFO L225 Difference]: With dead ends: 20861 [2022-11-16 10:59:54,777 INFO L226 Difference]: Without dead ends: 20839 [2022-11-16 10:59:54,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 10:59:54,786 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 2317 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 5353 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-16 10:59:54,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 5353 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-16 10:59:54,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20839 states. [2022-11-16 10:59:57,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20839 to 20758. [2022-11-16 10:59:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20758 states, 16166 states have (on average 1.3542620314239762) internal successors, (21893), 16232 states have internal predecessors, (21893), 3749 states have call successors, (3749), 747 states have call predecessors, (3749), 842 states have return successors, (4202), 3826 states have call predecessors, (4202), 3746 states have call successors, (4202) [2022-11-16 10:59:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20758 states to 20758 states and 29844 transitions. [2022-11-16 10:59:57,262 INFO L78 Accepts]: Start accepts. Automaton has 20758 states and 29844 transitions. Word has length 130 [2022-11-16 10:59:57,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:59:57,263 INFO L495 AbstractCegarLoop]: Abstraction has 20758 states and 29844 transitions. [2022-11-16 10:59:57,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 4 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-16 10:59:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 20758 states and 29844 transitions. [2022-11-16 10:59:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 10:59:57,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:59:57,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-16 10:59:57,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:59:57,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:57,490 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:59:57,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:57,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1486514287, now seen corresponding path program 1 times [2022-11-16 10:59:57,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 10:59:57,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174703141] [2022-11-16 10:59:57,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:57,493 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 10:59:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 10:59:57,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 10:59:57,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-16 11:00:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:00:09,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:00:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:00:15,020 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 11:00:15,021 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:00:15,022 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:00:15,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:00:15,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:00:15,250 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:00:15,256 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:00:15,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:00:15 BoogieIcfgContainer [2022-11-16 11:00:15,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:00:15,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:00:15,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:00:15,580 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:00:15,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:18" (3/4) ... [2022-11-16 11:00:15,583 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:00:16,012 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:00:16,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:00:16,014 INFO L158 Benchmark]: Toolchain (without parser) took 80317.75ms. Allocated memory was 71.3MB in the beginning and 1.2GB in the end (delta: 1.2GB). Free memory was 46.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 595.6MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,015 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:00:16,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1905.18ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 46.7MB in the beginning and 63.3MB in the end (delta: -16.7MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.70ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 50.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,017 INFO L158 Benchmark]: Boogie Preprocessor took 180.11ms. Allocated memory is still 113.2MB. Free memory was 50.8MB in the beginning and 55.3MB in the end (delta: -4.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,017 INFO L158 Benchmark]: RCFGBuilder took 20312.64ms. Allocated memory was 113.2MB in the beginning and 245.4MB in the end (delta: 132.1MB). Free memory was 55.3MB in the beginning and 164.8MB in the end (delta: -109.5MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,018 INFO L158 Benchmark]: TraceAbstraction took 57313.52ms. Allocated memory was 245.4MB in the beginning and 853.5MB in the end (delta: 608.2MB). Free memory was 163.7MB in the beginning and 279.5MB in the end (delta: -115.7MB). Peak memory consumption was 492.0MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,019 INFO L158 Benchmark]: Witness Printer took 434.20ms. Allocated memory was 853.5MB in the beginning and 1.2GB in the end (delta: 379.6MB). Free memory was 279.5MB in the beginning and 1.1GB in the end (delta: -778.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-16 11:00:16,024 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1905.18ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 46.7MB in the beginning and 63.3MB in the end (delta: -16.7MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.70ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 50.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.11ms. Allocated memory is still 113.2MB. Free memory was 50.8MB in the beginning and 55.3MB in the end (delta: -4.5MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * RCFGBuilder took 20312.64ms. Allocated memory was 113.2MB in the beginning and 245.4MB in the end (delta: 132.1MB). Free memory was 55.3MB in the beginning and 164.8MB in the end (delta: -109.5MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * TraceAbstraction took 57313.52ms. Allocated memory was 245.4MB in the beginning and 853.5MB in the end (delta: 608.2MB). Free memory was 163.7MB in the beginning and 279.5MB in the end (delta: -115.7MB). Peak memory consumption was 492.0MB. Max. memory is 16.1GB. * Witness Printer took 434.20ms. Allocated memory was 853.5MB in the beginning and 1.2GB in the end (delta: 379.6MB). Free memory was 279.5MB in the beginning and 1.1GB in the end (delta: -778.2MB). Peak memory consumption was 45.3MB. 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. - 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 - CounterExampleResult [Line: 3735]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3830-L3844] static struct usb_device_id const gtco_usbid_table[6U] = { {3U, 1932U, 1024U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 1025U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4096U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4097U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1932U, 4098U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L5067] struct urb *usb_urb = 0; [L5065] int SERIAL_STATE = 0; [L3759] int LDV_IN_INTERRUPT = 1; [L3761] struct usb_interface *gtco_driverinfo_table_group1 ; [L3845] struct usb_device_id const __mod_usb_device_table ; [L5066] void *usb_intfdata = 0; [L4829-L4834] static struct usb_driver gtco_driverinfo_table = {"gtco", & gtco_probe, & gtco_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& gtco_usbid_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L5072] void (*completeFnInt)(struct urb * ) ; [L4850] int ldv_retval_0 ; [L5068] struct usb_device *usb_dev = 0; [L4851] int ldv_retval_1 ; [L5069] int dev_counter = 0; [L5073] void (*completeFnBulk)(struct urb * ) ; [L3762] int ref_cnt ; [L5064] int INTERF_STATE = 0; [L5070] int completeFnIntCounter = 0; [L5071] int completeFnBulkCounter = 0; [L3763] int ldv_state_variable_0 ; [L3758] int ldv_state_variable_1 ; [L3760] int usb_counter ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4865] struct usb_device_id *ldvarg0 ; [L4866] void *tmp ; [L4867] int tmp___0 ; [L4868] int tmp___1 ; [L4869] int tmp___2 ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] CALL, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=32, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, size=32, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] RET, EXPR ldv_zalloc(32UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_zalloc(32UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4871] tmp = ldv_zalloc(32UL) [L4872] ldvarg0 = (struct usb_device_id *)tmp [L4873] FCALL ldv_initialize() [L4874] ldv_state_variable_1 = 0 [L4875] ref_cnt = 0 [L4876] ldv_state_variable_0 = 1 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: [L4922] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4923] COND TRUE ldv_state_variable_0 == 1 [L4924] CALL, EXPR gtco_driverinfo_table_init() [L4837] int tmp ; [L4839] CALL, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L5036] ldv_func_ret_type ldv_func_res ; [L5037] int tmp ; [L5039] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5370] return __VERIFIER_nondet_int(); [L5039] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5039] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5040] ldv_func_res = tmp [L5041] ldv_state_variable_1 = 1 [L5042] usb_counter = 0 [L5043] CALL ldv_usb_driver_1() [L4856] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] CALL, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3700] void *p ; [L3701] void *tmp ; [L3702] int tmp___0 ; [L3704] tmp___0 = __VERIFIER_nondet_int() [L3705] COND TRUE tmp___0 != 0 [L3706] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=1520, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=1520, tmp___0=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] RET, EXPR ldv_zalloc(1520UL) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_zalloc(1520UL)={0:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4858] tmp = ldv_zalloc(1520UL) [L4859] gtco_driverinfo_table_group1 = (struct usb_interface *)tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5043] RET ldv_usb_driver_1() [L5044] return (ldv_func_res); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={167:0}, ldv_func_arg1={167:0}, ldv_func_arg2={168:169}, ldv_func_arg2={168:169}, ldv_func_arg3={165:0}, ldv_func_arg3={165:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4839] RET, EXPR ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4839] tmp = ldv_usb_register_driver_11(& gtco_driverinfo_table, & __this_module, "gtco") [L4840] return (tmp); VAL [={0:0}, ={0:0}, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4924] RET, EXPR gtco_driverinfo_table_init() [L4924] ldv_retval_1 = gtco_driverinfo_table_init() [L4925] COND TRUE ldv_retval_1 == 0 [L4926] ldv_state_variable_0 = 3 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4929] COND FALSE !(ldv_retval_1 != 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4881] COND TRUE ldv_state_variable_1 != 0 [L4882] tmp___1 = __VERIFIER_nondet_int() [L4884] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4885] COND TRUE ldv_state_variable_1 == 1 [L4886] CALL, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4569] struct gtco *gtco ; [L4570] struct input_dev *input_dev ; [L4571] struct hid_descriptor *hid_desc ; [L4572] char *report ; [L4573] int result ; [L4574] int retry ; [L4575] int error ; [L4576] struct usb_endpoint_descriptor *endpoint ; [L4577] void *tmp ; [L4578] struct usb_device *tmp___0 ; [L4579] void *tmp___1 ; [L4580] struct _ddebug descriptor ; [L4581] long tmp___2 ; [L4582] struct _ddebug descriptor___0 ; [L4583] long tmp___3 ; [L4584] struct _ddebug descriptor___1 ; [L4585] long tmp___4 ; [L4586] struct _ddebug descriptor___2 ; [L4587] long tmp___5 ; [L4588] struct _ddebug descriptor___3 ; [L4589] long tmp___6 ; [L4590] int tmp___7 ; [L4591] struct _ddebug descriptor___4 ; [L4592] long tmp___8 ; [L4593] int tmp___9 ; [L4594] struct _ddebug descriptor___5 ; [L4595] long tmp___10 ; [L4596] void *tmp___11 ; [L4597] unsigned int tmp___12 ; [L4598] struct _ddebug descriptor___6 ; [L4599] long tmp___13 ; [L4600] unsigned int tmp___14 ; [L4602] result = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611545555816939566:0}, descriptor___0={-9223232124000141326:0}, descriptor___1={-9223232673755955242:0}, descriptor___2={-9223231574244327472:0}, descriptor___3={-6917388565030633520:0}, descriptor___4={-9223232673755955248:0}, descriptor___5={-9223231574244327470:0}, descriptor___6={-8646876100179263485:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223231574244327486:0}, id={0:0}, id={0:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] CALL, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={274877906945:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={274877906945:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=152, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={274877906945:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={274877906945:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=152, \result={274877906945:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={274877906945:0}, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={274877906945:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=152, \old(t)=32976, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={274877906945:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, t=32976, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32976, \old(size)=152, \result={274877906945:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32976, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp___2={274877906945:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=152, \result={274877906945:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=152, tmp={274877906945:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4603] RET, EXPR kzalloc(152UL, 208U) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611545555816939566:0}, descriptor___0={-9223232124000141326:0}, descriptor___1={-9223232673755955242:0}, descriptor___2={-9223231574244327472:0}, descriptor___3={-6917388565030633520:0}, descriptor___4={-9223232673755955248:0}, descriptor___5={-9223231574244327470:0}, descriptor___6={-8646876100179263485:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223231574244327486:0}, id={0:0}, id={0:0}, INTERF_STATE=0, kzalloc(152UL, 208U)={274877906945:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4603] tmp = kzalloc(152UL, 208U) [L4604] gtco = (struct gtco *)tmp [L4605] CALL, EXPR input_allocate_device() [L3766] CALL, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3667] void *tmp ; [L3669] CALL, EXPR kmalloc(size, flags | 32768U) [L3658] void *tmp___2 ; [L3660] CALL, EXPR __kmalloc(size, flags) [L3653] CALL, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2305843009213693953:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={2305843009213693953:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=2144, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2305843009213693953:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={2305843009213693953:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=2144, \result={2305843009213693953:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={2305843009213693953:0}, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={2305843009213693953:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] RET, EXPR ldv_malloc(size) VAL [={0:0}, ={0:0}, \old(size)=2144, \old(t)=32976, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(size)={2305843009213693953:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, t=32976, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3653] return ldv_malloc(size); [L3660] RET, EXPR __kmalloc(size, flags) [L3660] tmp___2 = __kmalloc(size, flags) [L3661] return (tmp___2); VAL [={0:0}, ={0:0}, \old(flags)=32976, \old(size)=2144, \result={2305843009213693953:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=32976, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp___2={2305843009213693953:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3669] RET, EXPR kmalloc(size, flags | 32768U) [L3669] tmp = kmalloc(size, flags | 32768U) [L3670] return (tmp); VAL [={0:0}, ={0:0}, \old(flags)=208, \old(size)=2144, \result={2305843009213693953:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, flags=208, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=2144, tmp={2305843009213693953:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] RET, EXPR kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u)={2305843009213693953:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3766] return kzalloc(sizeof(struct input_dev), 0x10u | 0x40u | 0x80u); [L4605] RET, EXPR input_allocate_device() [L4605] input_dev = input_allocate_device() [L4606] COND FALSE !((unsigned long )gtco == (unsigned long )((struct gtco *)0) || (unsigned long )input_dev == (unsigned long )((struct input_dev *)0)) [L4612] gtco->inputdevice = input_dev [L4613] CALL, EXPR interface_to_usbdev(usbinterface) [L4956] struct usb_device *tmp ; [L4958] CALL, EXPR ldv_interface_to_usbdev() [L5177] void *result ; [L5178] void *tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] CALL, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND FALSE !(tmp___0 != 0) [L3691] tmp = malloc(size) [L3692] p = tmp VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={134221825:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={134221825:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3679] COND FALSE !(!cond) VAL [={0:0}, ={0:0}, \old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, cond=1, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3693] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [={0:0}, ={0:0}, \old(size)=1889, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={134221825:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={134221825:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3694] return (p); VAL [={0:0}, ={0:0}, \old(size)=1889, \result={134221825:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={134221825:0}, ref_cnt=0, SERIAL_STATE=0, size=1889, tmp={134221825:0}, tmp___0=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] RET, EXPR ldv_malloc(sizeof(struct usb_device)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct usb_device))={134221825:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5180] tmp = ldv_malloc(sizeof(struct usb_device)) [L5181] result = tmp VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={134221825:0}, SERIAL_STATE=0, tmp={134221825:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5182] COND TRUE (unsigned long )result != (unsigned long )((void *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={134221825:0}, SERIAL_STATE=0, tmp={134221825:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5186] return (result); VAL [={0:0}, ={0:0}, \result={134221825:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result={134221825:0}, SERIAL_STATE=0, tmp={134221825:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4958] RET, EXPR ldv_interface_to_usbdev() [L4958] tmp = ldv_interface_to_usbdev() [L4959] return (tmp); VAL [={0:0}, ={0:0}, \result={134221825:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, intf={0:0}, intf={0:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={134221825:0}, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4613] RET, EXPR interface_to_usbdev(usbinterface) [L4613] tmp___0 = interface_to_usbdev(usbinterface) [L4614] CALL, EXPR ldv_usb_get_dev_4(tmp___0) [L4980] struct usb_device *tmp ; [L4982] CALL, EXPR ldv_get_dev(ldv_func_arg1) [L5191] int tmp ; VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={134221825:0}, data={134221825:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5193] COND TRUE (unsigned long )usb_dev == (unsigned long )((struct usb_device *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={134221825:0}, data={134221825:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] CALL, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3717] int tmp ; [L3719] tmp = __VERIFIER_nondet_int() [L3720] return (tmp); VAL [={0:0}, ={0:0}, \result=-2147483648, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] RET, EXPR ldv_undef_int() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={134221825:0}, data={134221825:0}, dev_counter=0, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_undef_int()=-2147483648, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={0:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5194] tmp = ldv_undef_int() [L5195] COND TRUE \read(tmp) [L5196] dev_counter = dev_counter + 1 [L5197] usb_dev = data VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={134221825:0}, data={134221825:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5205] return (usb_dev); VAL [={0:0}, ={0:0}, \result={134221825:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, data={134221825:0}, data={134221825:0}, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp=2147483648, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4982] RET, EXPR ldv_get_dev(ldv_func_arg1) [L4982] tmp = ldv_get_dev(ldv_func_arg1) [L4983] return (tmp); VAL [={0:0}, ={0:0}, \result={134221825:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, ldv_func_arg1={134221825:0}, ldv_func_arg1={134221825:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, tmp={134221825:0}, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4614] RET, EXPR ldv_usb_get_dev_4(tmp___0) [L4614] gtco->usbdev = ldv_usb_get_dev_4(tmp___0) [L4615] gtco->intf = usbinterface [L4616] EXPR gtco->usbdev [L4616] CALL, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L5353] CALL, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3683] void *p ; [L3684] void *tmp ; [L3685] int tmp___0 ; [L3687] tmp___0 = __VERIFIER_nondet_int() [L3688] COND TRUE tmp___0 != 0 [L3689] return ((void *)0); VAL [={0:0}, ={0:0}, \old(size)=0, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, size=0, tmp___0=2147483648, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] RET, EXPR ldv_malloc(0UL) VAL [={0:0}, ={0:0}, \old(arg1)=null, \old(arg2)=null, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, arg0={134221825:0}, arg0={134221825:0}, arg1=null, arg2=null, arg3={274877906945:32}, arg3={274877906945:32}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5353] return ldv_malloc(0UL); [L4616] RET, EXPR usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4616] tmp___1 = usb_alloc_coherent(gtco->usbdev, 10UL, 208U, & gtco->buf_dma) [L4617] gtco->buffer = (unsigned char *)tmp___1 [L4618] EXPR gtco->buffer VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611545555816939566:0}, descriptor___0={-9223232124000141326:0}, descriptor___1={-9223232673755955242:0}, descriptor___2={-9223231574244327472:0}, descriptor___3={-6917388565030633520:0}, descriptor___4={-9223232673755955248:0}, descriptor___5={-9223231574244327470:0}, descriptor___6={-8646876100179263485:0}, dev_counter=1, gtco={274877906945:0}, gtco->buffer={0:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223231574244327486:0}, id={0:0}, id={0:0}, input_dev={2305843009213693953:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={274877906945:0}, tmp___0={134221825:0}, tmp___1={0:0}, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4618] COND TRUE (unsigned long )gtco->buffer == (unsigned long )((unsigned char *)0U) [L4620] error = -12 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611545555816939566:0}, descriptor___0={-9223232124000141326:0}, descriptor___1={-9223232673755955242:0}, descriptor___2={-9223231574244327472:0}, descriptor___3={-6917388565030633520:0}, descriptor___4={-9223232673755955248:0}, descriptor___5={-9223231574244327470:0}, descriptor___6={-8646876100179263485:0}, dev_counter=1, error=4294967284, gtco={274877906945:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223231574244327486:0}, id={0:0}, id={0:0}, input_dev={2305843009213693953:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={274877906945:0}, tmp___0={134221825:0}, tmp___1={0:0}, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4805] FCALL input_free_device(input_dev) [L4806] CALL kfree((void const *)gtco) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, p={274877906945:0}, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4806] RET kfree((void const *)gtco) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, descriptor={-4611545555816939566:0}, descriptor___0={-9223232124000141326:0}, descriptor___1={-9223232673755955242:0}, descriptor___2={-9223231574244327472:0}, descriptor___3={-6917388565030633520:0}, descriptor___4={-9223232673755955248:0}, descriptor___5={-9223231574244327470:0}, descriptor___6={-8646876100179263485:0}, dev_counter=1, error=4294967284, gtco={274877906945:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, hid_desc={-9223231574244327486:0}, id={0:0}, id={0:0}, input_dev={2305843009213693953:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={274877906945:0}, tmp___0={134221825:0}, tmp___1={0:0}, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); [L4807] return (error); VAL [={0:0}, ={0:0}, \result=-12, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, error=4294967284, gtco={274877906945:0}, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, id={0:0}, id={0:0}, input_dev={2305843009213693953:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ref_cnt=0, result=0, SERIAL_STATE=0, tmp={274877906945:0}, tmp___0={134221825:0}, tmp___1={0:0}, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}, usbinterface={0:0}, usbinterface={0:0}] [L4886] RET, EXPR gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4886] ldv_retval_0 = gtco_probe(gtco_driverinfo_table_group1, (struct usb_device_id const *)ldvarg0) [L4887] COND FALSE !(ldv_retval_0 == 0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=0, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4878] tmp___0 = __VERIFIER_nondet_int() [L4880] case 0: [L4910] case 1: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=1, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4911] COND TRUE ldv_state_variable_0 != 0 [L4912] tmp___2 = __VERIFIER_nondet_int() [L4914] case 0: VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4915] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L4916] CALL gtco_driverinfo_table_exit() [L4846] CALL ldv_usb_deregister_12(& gtco_driverinfo_table) [L5050] FCALL usb_deregister(arg) [L5051] ldv_state_variable_1 = 0 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, arg={167:0}, arg={167:0}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4846] RET ldv_usb_deregister_12(& gtco_driverinfo_table) [L4916] RET gtco_driverinfo_table_exit() [L4917] ldv_state_variable_0 = 2 VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, SERIAL_STATE=0, tmp={0:0}, tmp___0=1, tmp___1=0, tmp___2=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L4950] CALL ldv_check_final_state() [L5283] COND TRUE (unsigned long )usb_urb == (unsigned long )((struct urb *)0) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5287] COND FALSE !((unsigned long )usb_dev == (unsigned long )((struct usb_device *)0)) VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L5289] CALL ldv_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] [L3735] reach_error() VAL [={0:0}, ={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={168:169}, completeFnBulkCounter=0, completeFnIntCounter=0, dev_counter=1, gtco_driverinfo_table={167:0}, gtco_driverinfo_table_group1={0:0}, gtco_usbid_table={166:0}, INTERF_STATE=0, LDV_IN_INTERRUPT=1, ldv_retval_0=4294967284, ldv_retval_1=0, ldv_state_variable_0=2, ldv_state_variable_1=0, ref_cnt=0, SERIAL_STATE=0, usb_counter=0, usb_dev={134221825:0}, usb_intfdata={0:0}, usb_urb={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 450 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.9s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 6763 SdHoareTripleChecker+Valid, 11.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6759 mSDsluCounter, 30183 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20089 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1564 IncrementalHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 10094 mSDtfsCounter, 1564 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1053 GetRequests, 1010 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20758occurred in iteration=12, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 948 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 16.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 941 NumberOfCodeBlocks, 877 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 2304 SizeOfPredicates, 32 NumberOfNonLiveVariables, 12932 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 335/367 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 proved your program to be incorrect! [2022-11-16 11:00:16,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c290ed-f228-4d16-9ad7-748d22cb4573/bin/uautomizer-tPACEb0tL8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE