./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 24779204d88cf57957c9dfe5b601cab1deec6a1c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:51:52,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:51:52,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:51:52,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:51:52,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:51:52,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:51:52,798 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:51:52,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:51:52,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:51:52,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:51:52,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:51:52,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:51:52,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:51:52,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:51:52,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:51:52,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:51:52,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:51:52,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:51:52,808 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:51:52,809 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:51:52,810 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:51:52,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:51:52,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:51:52,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:51:52,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:51:52,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:51:52,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:51:52,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:51:52,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:51:52,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:51:52,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:51:52,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:51:52,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:51:52,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:51:52,817 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:51:52,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:51:52,818 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-18 17:51:52,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:51:52,826 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:51:52,827 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:51:52,827 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:51:52,827 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:51:52,828 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-18 17:51:52,828 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:51:52,829 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:51:52,829 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:51:52,829 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:51:52,830 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:51:52,831 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:51:52,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:51:52,831 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:51:52,831 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:51:52,831 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:51:52,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:51:52,832 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:51:52,832 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:51:52,833 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-18 17:51:52,833 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24779204d88cf57957c9dfe5b601cab1deec6a1c [2018-11-18 17:51:52,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:51:52,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:51:52,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:51:52,866 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:51:52,866 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:51:52,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 17:51:52,903 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/data/cef67ba11/5d5d7fafee5145f3811bbbb6fa6a68fa/FLAG4178b5a15 [2018-11-18 17:51:53,354 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:51:53,355 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 17:51:53,375 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/data/cef67ba11/5d5d7fafee5145f3811bbbb6fa6a68fa/FLAG4178b5a15 [2018-11-18 17:51:53,885 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/data/cef67ba11/5d5d7fafee5145f3811bbbb6fa6a68fa [2018-11-18 17:51:53,888 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:51:53,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:51:53,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:51:53,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:51:53,891 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:51:53,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:51:53" (1/1) ... [2018-11-18 17:51:53,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5990ddce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:53, skipping insertion in model container [2018-11-18 17:51:53,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:51:53" (1/1) ... [2018-11-18 17:51:53,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:51:53,952 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:51:54,935 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:51:54,993 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:51:55,260 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:51:55,326 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:51:55,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55 WrapperNode [2018-11-18 17:51:55,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:51:55,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:51:55,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:51:55,327 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:51:55,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:51:55,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:51:55,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:51:55,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:51:55,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... [2018-11-18 17:51:55,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:51:55,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:51:55,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:51:55,438 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:51:55,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:51:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2018-11-18 17:51:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 17:51:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2018-11-18 17:51:55,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2018-11-18 17:51:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:51:55,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-18 17:51:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-18 17:51:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2018-11-18 17:51:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2018-11-18 17:51:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2018-11-18 17:51:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2018-11-18 17:51:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2018-11-18 17:51:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2018-11-18 17:51:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2018-11-18 17:51:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2018-11-18 17:51:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2018-11-18 17:51:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2018-11-18 17:51:55,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2018-11-18 17:51:55,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2018-11-18 17:51:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2018-11-18 17:51:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 17:51:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2018-11-18 17:51:55,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2018-11-18 17:51:55,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-11-18 17:51:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2018-11-18 17:51:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:51:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2018-11-18 17:51:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2018-11-18 17:51:55,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2018-11-18 17:51:55,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2018-11-18 17:51:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:51:55,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 17:51:55,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2018-11-18 17:51:55,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2018-11-18 17:51:55,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2018-11-18 17:51:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2018-11-18 17:51:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2018-11-18 17:51:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2018-11-18 17:51:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2018-11-18 17:51:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-18 17:51:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2018-11-18 17:51:55,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:51:55,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:51:59,669 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:51:59,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:51:59 BoogieIcfgContainer [2018-11-18 17:51:59,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:51:59,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:51:59,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:51:59,673 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:51:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:51:53" (1/3) ... [2018-11-18 17:51:59,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b633b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:51:59, skipping insertion in model container [2018-11-18 17:51:59,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:51:55" (2/3) ... [2018-11-18 17:51:59,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b633b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:51:59, skipping insertion in model container [2018-11-18 17:51:59,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:51:59" (3/3) ... [2018-11-18 17:51:59,676 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point_true-unreach-call.cil.out.c [2018-11-18 17:51:59,685 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:51:59,691 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:51:59,718 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:51:59,744 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:51:59,744 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:51:59,744 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:51:59,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:51:59,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:51:59,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:51:59,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:51:59,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:51:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2018-11-18 17:51:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 17:51:59,767 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:51:59,768 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:51:59,769 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:51:59,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:51:59,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1103467015, now seen corresponding path program 1 times [2018-11-18 17:51:59,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:51:59,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:59,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:51:59,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:51:59,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 17:52:00,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:00,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:00,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:00,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:00,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:00,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:00,279 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 3 states. [2018-11-18 17:52:02,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:02,408 INFO L93 Difference]: Finished difference Result 547 states and 766 transitions. [2018-11-18 17:52:02,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:02,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-18 17:52:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:02,420 INFO L225 Difference]: With dead ends: 547 [2018-11-18 17:52:02,420 INFO L226 Difference]: Without dead ends: 332 [2018-11-18 17:52:02,424 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:02,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-18 17:52:02,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-11-18 17:52:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-18 17:52:02,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 436 transitions. [2018-11-18 17:52:02,479 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 436 transitions. Word has length 97 [2018-11-18 17:52:02,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:02,479 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 436 transitions. [2018-11-18 17:52:02,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 436 transitions. [2018-11-18 17:52:02,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:52:02,483 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:02,483 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:02,483 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:02,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:02,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1894059685, now seen corresponding path program 1 times [2018-11-18 17:52:02,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:02,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:02,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:02,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:02,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-18 17:52:02,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:02,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:02,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:02,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:02,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:02,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:02,764 INFO L87 Difference]: Start difference. First operand 328 states and 436 transitions. Second operand 3 states. [2018-11-18 17:52:02,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:02,845 INFO L93 Difference]: Finished difference Result 797 states and 1094 transitions. [2018-11-18 17:52:02,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:02,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2018-11-18 17:52:02,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:02,849 INFO L225 Difference]: With dead ends: 797 [2018-11-18 17:52:02,849 INFO L226 Difference]: Without dead ends: 506 [2018-11-18 17:52:02,850 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:02,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2018-11-18 17:52:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 487. [2018-11-18 17:52:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 17:52:02,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 678 transitions. [2018-11-18 17:52:02,879 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 678 transitions. Word has length 99 [2018-11-18 17:52:02,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:02,879 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 678 transitions. [2018-11-18 17:52:02,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 678 transitions. [2018-11-18 17:52:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:52:02,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:02,881 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:02,881 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:02,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:02,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1506248867, now seen corresponding path program 1 times [2018-11-18 17:52:02,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:02,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:02,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:02,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:02,884 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 17:52:03,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:03,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:03,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:03,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:03,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,055 INFO L87 Difference]: Start difference. First operand 487 states and 678 transitions. Second operand 3 states. [2018-11-18 17:52:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:03,091 INFO L93 Difference]: Finished difference Result 509 states and 704 transitions. [2018-11-18 17:52:03,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:03,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-18 17:52:03,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:03,094 INFO L225 Difference]: With dead ends: 509 [2018-11-18 17:52:03,094 INFO L226 Difference]: Without dead ends: 498 [2018-11-18 17:52:03,094 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-18 17:52:03,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 487. [2018-11-18 17:52:03,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 17:52:03,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 677 transitions. [2018-11-18 17:52:03,112 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 677 transitions. Word has length 117 [2018-11-18 17:52:03,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:03,113 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 677 transitions. [2018-11-18 17:52:03,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:03,113 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 677 transitions. [2018-11-18 17:52:03,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 17:52:03,115 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,115 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,115 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1563507169, now seen corresponding path program 1 times [2018-11-18 17:52:03,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 17:52:03,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:03,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:03,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:03,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:03,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:03,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,300 INFO L87 Difference]: Start difference. First operand 487 states and 677 transitions. Second operand 3 states. [2018-11-18 17:52:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:03,310 INFO L93 Difference]: Finished difference Result 489 states and 678 transitions. [2018-11-18 17:52:03,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:03,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2018-11-18 17:52:03,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:03,312 INFO L225 Difference]: With dead ends: 489 [2018-11-18 17:52:03,313 INFO L226 Difference]: Without dead ends: 486 [2018-11-18 17:52:03,313 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-11-18 17:52:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2018-11-18 17:52:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-11-18 17:52:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 675 transitions. [2018-11-18 17:52:03,326 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 675 transitions. Word has length 117 [2018-11-18 17:52:03,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:03,327 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 675 transitions. [2018-11-18 17:52:03,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 675 transitions. [2018-11-18 17:52:03,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 17:52:03,328 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,328 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,328 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,328 INFO L82 PathProgramCache]: Analyzing trace with hash 1224062055, now seen corresponding path program 1 times [2018-11-18 17:52:03,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,331 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,490 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 17:52:03,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:03,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:03,491 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:03,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:03,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:03,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,492 INFO L87 Difference]: Start difference. First operand 486 states and 675 transitions. Second operand 3 states. [2018-11-18 17:52:03,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:03,501 INFO L93 Difference]: Finished difference Result 488 states and 676 transitions. [2018-11-18 17:52:03,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:03,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-11-18 17:52:03,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:03,504 INFO L225 Difference]: With dead ends: 488 [2018-11-18 17:52:03,504 INFO L226 Difference]: Without dead ends: 485 [2018-11-18 17:52:03,504 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-11-18 17:52:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2018-11-18 17:52:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-11-18 17:52:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 673 transitions. [2018-11-18 17:52:03,518 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 673 transitions. Word has length 118 [2018-11-18 17:52:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:03,518 INFO L480 AbstractCegarLoop]: Abstraction has 485 states and 673 transitions. [2018-11-18 17:52:03,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 673 transitions. [2018-11-18 17:52:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 17:52:03,519 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,520 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,520 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,520 INFO L82 PathProgramCache]: Analyzing trace with hash -708797020, now seen corresponding path program 1 times [2018-11-18 17:52:03,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,523 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 17:52:03,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:03,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:03,679 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:03,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:03,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:03,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,680 INFO L87 Difference]: Start difference. First operand 485 states and 673 transitions. Second operand 3 states. [2018-11-18 17:52:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:03,689 INFO L93 Difference]: Finished difference Result 487 states and 674 transitions. [2018-11-18 17:52:03,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:03,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-18 17:52:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:03,692 INFO L225 Difference]: With dead ends: 487 [2018-11-18 17:52:03,692 INFO L226 Difference]: Without dead ends: 484 [2018-11-18 17:52:03,692 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-11-18 17:52:03,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2018-11-18 17:52:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2018-11-18 17:52:03,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 671 transitions. [2018-11-18 17:52:03,705 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 671 transitions. Word has length 119 [2018-11-18 17:52:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:03,705 INFO L480 AbstractCegarLoop]: Abstraction has 484 states and 671 transitions. [2018-11-18 17:52:03,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 671 transitions. [2018-11-18 17:52:03,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 17:52:03,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,707 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,707 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,707 INFO L82 PathProgramCache]: Analyzing trace with hash -497881334, now seen corresponding path program 1 times [2018-11-18 17:52:03,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-18 17:52:03,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:03,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:03,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:03,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:03,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:03,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,871 INFO L87 Difference]: Start difference. First operand 484 states and 671 transitions. Second operand 3 states. [2018-11-18 17:52:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:03,912 INFO L93 Difference]: Finished difference Result 1354 states and 1921 transitions. [2018-11-18 17:52:03,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:03,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2018-11-18 17:52:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:03,917 INFO L225 Difference]: With dead ends: 1354 [2018-11-18 17:52:03,917 INFO L226 Difference]: Without dead ends: 894 [2018-11-18 17:52:03,918 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-18 17:52:03,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 885. [2018-11-18 17:52:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-11-18 17:52:03,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1256 transitions. [2018-11-18 17:52:03,946 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1256 transitions. Word has length 120 [2018-11-18 17:52:03,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:03,947 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1256 transitions. [2018-11-18 17:52:03,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1256 transitions. [2018-11-18 17:52:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:52:03,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,949 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,949 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,949 INFO L82 PathProgramCache]: Analyzing trace with hash 330952151, now seen corresponding path program 1 times [2018-11-18 17:52:03,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-18 17:52:04,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:04,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:04,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:04,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:04,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:04,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:04,185 INFO L87 Difference]: Start difference. First operand 885 states and 1256 transitions. Second operand 3 states. [2018-11-18 17:52:06,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:06,262 INFO L93 Difference]: Finished difference Result 1735 states and 2478 transitions. [2018-11-18 17:52:06,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:06,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2018-11-18 17:52:06,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:06,267 INFO L225 Difference]: With dead ends: 1735 [2018-11-18 17:52:06,267 INFO L226 Difference]: Without dead ends: 887 [2018-11-18 17:52:06,269 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:06,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-11-18 17:52:06,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 882. [2018-11-18 17:52:06,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-18 17:52:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1247 transitions. [2018-11-18 17:52:06,301 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1247 transitions. Word has length 152 [2018-11-18 17:52:06,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:06,301 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1247 transitions. [2018-11-18 17:52:06,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1247 transitions. [2018-11-18 17:52:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 17:52:06,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:06,303 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:06,303 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:06,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:06,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1985652927, now seen corresponding path program 1 times [2018-11-18 17:52:06,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:06,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,307 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:06,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-18 17:52:06,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:06,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 17:52:06,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:06,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:52:06,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:52:06,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:52:06,648 INFO L87 Difference]: Start difference. First operand 882 states and 1247 transitions. Second operand 10 states. [2018-11-18 17:52:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:06,769 INFO L93 Difference]: Finished difference Result 1738 states and 2460 transitions. [2018-11-18 17:52:06,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:52:06,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2018-11-18 17:52:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:06,773 INFO L225 Difference]: With dead ends: 1738 [2018-11-18 17:52:06,773 INFO L226 Difference]: Without dead ends: 893 [2018-11-18 17:52:06,774 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:52:06,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2018-11-18 17:52:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 889. [2018-11-18 17:52:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2018-11-18 17:52:06,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1246 transitions. [2018-11-18 17:52:06,804 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1246 transitions. Word has length 157 [2018-11-18 17:52:06,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:06,804 INFO L480 AbstractCegarLoop]: Abstraction has 889 states and 1246 transitions. [2018-11-18 17:52:06,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:52:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1246 transitions. [2018-11-18 17:52:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 17:52:06,807 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:06,807 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:06,807 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:06,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:06,808 INFO L82 PathProgramCache]: Analyzing trace with hash -238381255, now seen corresponding path program 1 times [2018-11-18 17:52:06,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:06,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:06,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,811 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-18 17:52:07,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:07,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:52:07,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:07,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:52:07,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:52:07,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:52:07,073 INFO L87 Difference]: Start difference. First operand 889 states and 1246 transitions. Second operand 7 states. [2018-11-18 17:52:07,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:07,123 INFO L93 Difference]: Finished difference Result 893 states and 1250 transitions. [2018-11-18 17:52:07,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:52:07,123 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2018-11-18 17:52:07,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:07,124 INFO L225 Difference]: With dead ends: 893 [2018-11-18 17:52:07,124 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:52:07,125 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:52:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:52:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:52:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:52:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:52:07,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2018-11-18 17:52:07,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:07,126 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:52:07,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:52:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:52:07,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:52:07,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:52:08,511 INFO L421 ceAbstractionStarter]: At program point L7006(line 7006) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L7005-1(lines 7005 7009) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L7005(lines 7005 7009) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_lock_udevFINAL(lines 7000 7013) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L421 ceAbstractionStarter]: At program point ldv_mutex_lock_udevENTRY(lines 7000 7013) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_lock_udevEXIT(lines 7000 7013) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevEXIT(lines 7070 7083) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L7075-1(lines 7075 7079) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L7075(lines 7075 7079) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L421 ceAbstractionStarter]: At program point L7076(line 7076) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,512 INFO L421 ceAbstractionStarter]: At program point ldv_mutex_unlock_udevENTRY(lines 7070 7083) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_mutex_unlock_udevFINAL(lines 7070 7083) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L428 ceAbstractionStarter]: At program point ldv_undef_intENTRY(lines 5772 5780) the Hoare annotation is: true [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intFINAL(lines 5772 5780) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point ldv_undef_intEXIT(lines 5772 5780) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L6179-2(lines 6177 6195) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 6000 6276) no Hoare annotation was computed. [2018-11-18 17:52:08,512 INFO L425 ceAbstractionStarter]: For program point L6163(line 6163) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L421 ceAbstractionStarter]: At program point L6031(line 6031) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6031-1(line 6031) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6097(lines 6097 6102) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L421 ceAbstractionStarter]: At program point L6213(line 6213) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6213-1(line 6213) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6230(lines 6230 6241) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6131(line 6131) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6164(lines 6164 6205) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6247(line 6247) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6082(line 6082) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6049(lines 6049 6269) no Hoare annotation was computed. [2018-11-18 17:52:08,513 INFO L425 ceAbstractionStarter]: For program point L6231(line 6231) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6132(lines 6132 6141) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L421 ceAbstractionStarter]: At program point L6033(line 6033) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6033-1(line 6033) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 6000 6276) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6248(lines 6248 6265) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L428 ceAbstractionStarter]: At program point L6083(line 6083) the Hoare annotation is: true [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6050(line 6050) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6199(line 6199) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6166(lines 6166 6201) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6232(lines 6232 6237) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6051(lines 6051 6068) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6167(line 6167) no Hoare annotation was computed. [2018-11-18 17:52:08,514 INFO L425 ceAbstractionStarter]: For program point L6134(lines 6134 6138) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L421 ceAbstractionStarter]: At program point L6233(line 6233) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,515 INFO L428 ceAbstractionStarter]: At program point L6200(line 6200) the Hoare annotation is: true [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6233-1(line 6233) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L421 ceAbstractionStarter]: At program point L6035(line 6035) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6035-1(line 6035) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6250(lines 6250 6261) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6267(line 6267) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6168(lines 6168 6174) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6251(line 6251) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6053(lines 6053 6064) no Hoare annotation was computed. [2018-11-18 17:52:08,515 INFO L428 ceAbstractionStarter]: At program point L6268(line 6268) the Hoare annotation is: true [2018-11-18 17:52:08,515 INFO L425 ceAbstractionStarter]: For program point L6070(line 6070) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L421 ceAbstractionStarter]: At program point L6169(line 6169) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6169-1(line 6169) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6219(line 6219) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6252(lines 6252 6257) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6054(line 6054) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6071(lines 6071 6088) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L421 ceAbstractionStarter]: At program point L6038(line 6038) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,516 INFO L425 ceAbstractionStarter]: For program point L6038-1(line 6038) no Hoare annotation was computed. [2018-11-18 17:52:08,516 INFO L421 ceAbstractionStarter]: At program point L6253(line 6253) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,516 INFO L428 ceAbstractionStarter]: At program point L6220(line 6220) the Hoare annotation is: true [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6253-1(line 6253) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6055(lines 6055 6060) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L421 ceAbstractionStarter]: At program point L6270(lines 6024 6275) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6155(line 6155) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6056-1(line 6056) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L421 ceAbstractionStarter]: At program point L6056(line 6056) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6073(lines 6073 6084) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6123(line 6123) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6090(line 6090) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L428 ceAbstractionStarter]: At program point L6156(line 6156) the Hoare annotation is: true [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6239(line 6239) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6107(line 6107) no Hoare annotation was computed. [2018-11-18 17:52:08,517 INFO L425 ceAbstractionStarter]: For program point L6074(line 6074) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6091(lines 6091 6161) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6124(lines 6124 6129) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L421 ceAbstractionStarter]: At program point L6025(line 6025) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6025-1(line 6025) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6207(line 6207) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6273(line 6273) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L428 ceAbstractionStarter]: At program point L6240(line 6240) the Hoare annotation is: true [2018-11-18 17:52:08,518 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 6000 6276) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6075(lines 6075 6080) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6108-2(lines 6093 6157) no Hoare annotation was computed. [2018-11-18 17:52:08,518 INFO L425 ceAbstractionStarter]: For program point L6108(lines 6108 6114) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L421 ceAbstractionStarter]: At program point L6191(lines 6024 6275) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (= 1 ~ldv_mutex_udev~0)) [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6208(lines 6208 6225) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L421 ceAbstractionStarter]: At program point L6076(line 6076) the Hoare annotation is: (or (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,519 INFO L421 ceAbstractionStarter]: At program point L6027(line 6027) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6027-1(line 6027) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6093(lines 6093 6157) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6143(line 6143) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6176(line 6176) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6259(line 6259) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6094(line 6094) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6210(lines 6210 6221) no Hoare annotation was computed. [2018-11-18 17:52:08,519 INFO L425 ceAbstractionStarter]: For program point L6177(lines 6177 6197) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6144(lines 6144 6153) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6227(line 6227) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L428 ceAbstractionStarter]: At program point L6260(line 6260) the Hoare annotation is: true [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6095(lines 6095 6105) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6062(line 6062) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L421 ceAbstractionStarter]: At program point L6029(line 6029) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6029-1(line 6029) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6211(line 6211) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L421 ceAbstractionStarter]: At program point L6178(line 6178) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_retval_3~0 0) (= 1 ~ldv_state_variable_0~0))) [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6178-1(line 6178) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6228(lines 6228 6245) no Hoare annotation was computed. [2018-11-18 17:52:08,520 INFO L428 ceAbstractionStarter]: At program point L6063(line 6063) the Hoare annotation is: true [2018-11-18 17:52:08,520 INFO L425 ceAbstractionStarter]: For program point L6179(lines 6179 6188) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point L6146(lines 6146 6150) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point L6212(lines 6212 6217) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L421 ceAbstractionStarter]: At program point ldv_usb_unlock_device_udevENTRY(lines 7118 7126) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevFINAL(lines 7118 7126) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point ldv_usb_unlock_device_udevEXIT(lines 7118 7126) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L421 ceAbstractionStarter]: At program point L6366(line 6366) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6360 6369) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L421 ceAbstractionStarter]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6360 6369) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6360 6369) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L425 ceAbstractionStarter]: For program point ldv_errorFINAL(lines 6395 6403) no Hoare annotation was computed. [2018-11-18 17:52:08,521 INFO L428 ceAbstractionStarter]: At program point ldv_errorENTRY(lines 6395 6403) the Hoare annotation is: true [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6401) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point ldv_errorEXIT(lines 6395 6403) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point ldv_stopFINAL(lines 5799 5807) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point ldv_stopEXIT(lines 5799 5807) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L428 ceAbstractionStarter]: At program point ldv_stopENTRY(lines 5799 5807) the Hoare annotation is: true [2018-11-18 17:52:08,522 INFO L428 ceAbstractionStarter]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L428 ceAbstractionStarter]: At program point always_connectedENTRY(lines 5846 5853) the Hoare annotation is: true [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point always_connectedFINAL(lines 5846 5853) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L425 ceAbstractionStarter]: For program point always_connectedEXIT(lines 5846 5853) no Hoare annotation was computed. [2018-11-18 17:52:08,522 INFO L428 ceAbstractionStarter]: At program point ldv_undef_int_negativeENTRY(lines 6404 6419) the Hoare annotation is: true [2018-11-18 17:52:08,522 INFO L428 ceAbstractionStarter]: At program point L6410(line 6410) the Hoare annotation is: true [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point L6412-1(lines 6412 6416) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point L6412(lines 6412 6416) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L428 ceAbstractionStarter]: At program point L6413(line 6413) the Hoare annotation is: true [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_undef_int_negativeFINAL(lines 6404 6419) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point L6410-1(line 6410) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_undef_int_negativeEXIT(lines 6404 6419) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_15FINAL(lines 6385 6394) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_usb_deregister_15EXIT(lines 6385 6394) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L428 ceAbstractionStarter]: At program point ldv_usb_deregister_15ENTRY(lines 6385 6394) the Hoare annotation is: true [2018-11-18 17:52:08,523 INFO L428 ceAbstractionStarter]: At program point cdc_subset_driver_exitENTRY(lines 5974 5982) the Hoare annotation is: true [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_exitEXIT(lines 5974 5982) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_exitFINAL(lines 5974 5982) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_14FINAL(lines 6370 6384) no Hoare annotation was computed. [2018-11-18 17:52:08,523 INFO L425 ceAbstractionStarter]: For program point ldv_usb_register_driver_14EXIT(lines 6370 6384) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point L6381-1(line 6381) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point L6381(line 6381) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point ldv_usb_register_driver_14ENTRY(lines 6370 6384) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point L-1-1(line -1) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocFINAL(lines 5751 5762) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point L5757(line 5757) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point ldv_init_zallocEXIT(lines 5751 5762) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point L5757-1(line 5757) no Hoare annotation was computed. [2018-11-18 17:52:08,524 INFO L428 ceAbstractionStarter]: At program point ldv_init_zallocENTRY(lines 5751 5762) the Hoare annotation is: true [2018-11-18 17:52:08,524 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6351 6359) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6351 6359) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L421 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6351 6359) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point L6356-1(line 6356) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L421 ceAbstractionStarter]: At program point L6356(line 6356) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point L5970-1(line 5970) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_initEXIT(lines 5965 5973) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L428 ceAbstractionStarter]: At program point cdc_subset_driver_initENTRY(lines 5965 5973) the Hoare annotation is: true [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point cdc_subset_driver_initFINAL(lines 5965 5973) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L428 ceAbstractionStarter]: At program point L5970(line 5970) the Hoare annotation is: true [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point L7137(lines 7131 7153) no Hoare annotation was computed. [2018-11-18 17:52:08,525 INFO L421 ceAbstractionStarter]: At program point L7133(line 7133) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,525 INFO L421 ceAbstractionStarter]: At program point L7148(line 7148) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,525 INFO L425 ceAbstractionStarter]: For program point L7142(lines 7131 7153) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L421 ceAbstractionStarter]: At program point L7138(line 7138) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point ldv_check_final_stateEXIT(lines 7127 7154) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L428 ceAbstractionStarter]: At program point ldv_check_final_stateENTRY(lines 7127 7154) the Hoare annotation is: true [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point L7132(lines 7131 7153) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point L7147(lines 7127 7154) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L421 ceAbstractionStarter]: At program point L7143(line 7143) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,526 INFO L428 ceAbstractionStarter]: At program point L5995(line 5995) the Hoare annotation is: true [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point L5995-1(line 5995) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1EXIT(lines 5990 5999) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L428 ceAbstractionStarter]: At program point ldv_usb_driver_1ENTRY(lines 5990 5999) the Hoare annotation is: true [2018-11-18 17:52:08,526 INFO L425 ceAbstractionStarter]: For program point ldv_usb_driver_1FINAL(lines 5990 5999) no Hoare annotation was computed. [2018-11-18 17:52:08,526 INFO L421 ceAbstractionStarter]: At program point L5870(line 5870) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= m5632_recover_~r~0 0) (= 2 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,526 INFO L421 ceAbstractionStarter]: At program point m5632_recoverENTRY(lines 5854 5873) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point m5632_recoverFINAL(lines 5854 5873) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point L5863(line 5863) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point L5863-1(line 5863) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point m5632_recoverEXIT(lines 5854 5873) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point L5864(lines 5864 5868) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_udev~0) (= ~ldv_mutex_mutex_of_device~0 1) (= ~ldv_state_variable_6~0 0) (= ~ldv_retval_3~0 0) (= ~ldv_mutex_lock~0 1) (= ~ldv_mutex_i_mutex_of_inode~0 1)) [2018-11-18 17:52:08,527 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ldv_memsetFINAL(lines 5763 5771) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point L5768-1(line 5768) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L428 ceAbstractionStarter]: At program point ldv_memsetENTRY(lines 5763 5771) the Hoare annotation is: true [2018-11-18 17:52:08,527 INFO L428 ceAbstractionStarter]: At program point L5768(line 5768) the Hoare annotation is: true [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ldv_memsetEXIT(lines 5763 5771) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 7102 7117) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 7102 7117) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 7102 7117) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point L7110(line 7110) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point L7113-1(line 7113) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point L7113(line 7113) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,527 INFO L425 ceAbstractionStarter]: For program point L7108-1(line 7108) no Hoare annotation was computed. [2018-11-18 17:52:08,527 INFO L421 ceAbstractionStarter]: At program point L7108(line 7108) the Hoare annotation is: (or (= 1 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0))) [2018-11-18 17:52:08,528 INFO L425 ceAbstractionStarter]: For program point L7109(lines 7109 7115) no Hoare annotation was computed. [2018-11-18 17:52:08,528 INFO L425 ceAbstractionStarter]: For program point L7110-1(line 7110) no Hoare annotation was computed. [2018-11-18 17:52:08,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:52:08 BoogieIcfgContainer [2018-11-18 17:52:08,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:52:08,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:52:08,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:52:08,541 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:52:08,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:51:59" (3/4) ... [2018-11-18 17:52:08,546 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_udev [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_udev [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_unlock_device_udev [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv___ldv_usb_unlock_device_13 [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure always_connected [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undef_int_negative [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_deregister_15 [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_exit [2018-11-18 17:52:08,551 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_register_driver_14 [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_12 [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cdc_subset_driver_init [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_driver_1 [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure m5632_recover [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2018-11-18 17:52:08,552 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_usb_lock_device_for_reset_udev [2018-11-18 17:52:08,564 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 432 nodes and edges [2018-11-18 17:52:08,565 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 209 nodes and edges [2018-11-18 17:52:08,565 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-18 17:52:08,566 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-18 17:52:08,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-11-18 17:52:08,567 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 17:52:08,568 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 17:52:08,568 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:52:08,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) [2018-11-18 17:52:08,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev [2018-11-18 17:52:08,636 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d3abd595-d5f1-48aa-85d5-6097494dcac2/bin-2019/utaipan/witness.graphml [2018-11-18 17:52:08,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:52:08,637 INFO L168 Benchmark]: Toolchain (without parser) took 14749.19 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 447.2 MB). Free memory was 949.9 MB in the beginning and 780.8 MB in the end (delta: 169.1 MB). Peak memory consumption was 616.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,638 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:08,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1437.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.0 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 348.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:08,638 INFO L168 Benchmark]: Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,639 INFO L168 Benchmark]: RCFGBuilder took 4232.22 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 36.2 MB). Free memory was 1.1 GB in the beginning and 791.5 MB in the end (delta: 279.2 MB). Peak memory consumption was 317.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,639 INFO L168 Benchmark]: TraceAbstraction took 8870.30 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 141.0 MB). Free memory was 791.5 MB in the beginning and 793.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 139.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,639 INFO L168 Benchmark]: Witness Printer took 95.62 ms. Allocated memory is still 1.5 GB. Free memory was 793.1 MB in the beginning and 780.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:08,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1437.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.0 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 348.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4232.22 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 36.2 MB). Free memory was 1.1 GB in the beginning and 791.5 MB in the end (delta: 279.2 MB). Peak memory consumption was 317.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8870.30 ms. Allocated memory was 1.3 GB in the beginning and 1.5 GB in the end (delta: 141.0 MB). Free memory was 791.5 MB in the beginning and 793.1 MB in the end (delta: -1.6 MB). Peak memory consumption was 139.4 MB. Max. memory is 11.5 GB. * Witness Printer took 95.62 ms. Allocated memory is still 1.5 GB. Free memory was 793.1 MB in the beginning and 780.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6401]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: (((((!(1 == ldv_mutex_lock) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode)) || 1 == ldv_mutex_udev - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: ((((((1 == ldv_mutex_udev && ldv_retval_3 == 0) || !(1 == ldv_mutex_lock)) || !(0 == \old(ldv_state_variable_6))) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_mutex_i_mutex_of_inode) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 219 locations, 1 error locations. SAFE Result, 8.7s OverallTime, 10 OverallIterations, 7 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2821 SDtfs, 1714 SDslu, 4071 SDs, 0 SdLazy, 106 SolverSat, 13 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 52 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 757 PreInvPairs, 801 NumberOfFragments, 1069 HoareAnnotationTreeSize, 757 FomulaSimplifications, 348 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 2733 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1255 ConstructedInterpolants, 0 QuantifiedInterpolants, 211711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 1615/1615 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...