/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-22 02:08:21,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-22 02:08:21,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-22 02:08:21,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-22 02:08:21,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-22 02:08:21,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-22 02:08:21,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-22 02:08:21,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-22 02:08:21,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-22 02:08:21,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-22 02:08:21,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-22 02:08:21,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-22 02:08:21,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-22 02:08:21,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-22 02:08:21,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-22 02:08:21,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-22 02:08:21,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-22 02:08:21,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-22 02:08:21,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-22 02:08:21,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-22 02:08:21,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-22 02:08:21,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-22 02:08:21,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-22 02:08:21,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-22 02:08:21,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-22 02:08:21,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-22 02:08:21,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-22 02:08:21,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-22 02:08:21,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-22 02:08:21,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-22 02:08:21,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-22 02:08:21,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-22 02:08:21,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-22 02:08:21,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-22 02:08:21,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-22 02:08:21,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-22 02:08:21,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-22 02:08:21,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-22 02:08:21,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-22 02:08:21,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-22 02:08:21,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-22 02:08:21,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-07-22 02:08:21,843 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-22 02:08:21,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-22 02:08:21,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-22 02:08:21,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-22 02:08:21,845 INFO L138 SettingsManager]: * Use SBE=true [2020-07-22 02:08:21,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-22 02:08:21,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-22 02:08:21,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-22 02:08:21,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-22 02:08:21,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-22 02:08:21,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-22 02:08:21,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-22 02:08:21,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-22 02:08:21,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-22 02:08:21,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-22 02:08:21,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-22 02:08:21,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-22 02:08:21,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-22 02:08:21,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-22 02:08:21,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-22 02:08:21,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-22 02:08:21,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-22 02:08:21,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-22 02:08:21,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:21,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-22 02:08:21,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-22 02:08:21,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-22 02:08:21,850 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-22 02:08:22,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-22 02:08:22,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-22 02:08:22,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-22 02:08:22,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-22 02:08:22,163 INFO L275 PluginConnector]: CDTParser initialized [2020-07-22 02:08:22,164 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-22 02:08:22,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1942062/39798d6c97f3424e9262faeee444f5d2/FLAG6a72cc5f2 [2020-07-22 02:08:22,984 INFO L306 CDTParser]: Found 1 translation units. [2020-07-22 02:08:22,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-22 02:08:23,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1942062/39798d6c97f3424e9262faeee444f5d2/FLAG6a72cc5f2 [2020-07-22 02:08:23,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df1942062/39798d6c97f3424e9262faeee444f5d2 [2020-07-22 02:08:23,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-22 02:08:23,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-22 02:08:23,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-22 02:08:23,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-22 02:08:23,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-22 02:08:23,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:08:23" (1/1) ... [2020-07-22 02:08:23,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df30abd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:23, skipping insertion in model container [2020-07-22 02:08:23,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:08:23" (1/1) ... [2020-07-22 02:08:23,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-22 02:08:23,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-22 02:08:24,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-22 02:08:24,520 INFO L203 MainTranslator]: Completed pre-run [2020-07-22 02:08:24,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-22 02:08:24,857 INFO L208 MainTranslator]: Completed translation [2020-07-22 02:08:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24 WrapperNode [2020-07-22 02:08:24,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-22 02:08:24,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-22 02:08:24,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-22 02:08:24,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-22 02:08:24,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:24,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:24,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:24,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:25,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:25,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:25,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... [2020-07-22 02:08:25,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-22 02:08:25,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-22 02:08:25,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-22 02:08:25,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-22 02:08:25,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-22 02:08:25,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-22 02:08:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-22 02:08:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-22 02:08:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-22 02:08:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-22 02:08:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-07-22 02:08:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-07-22 02:08:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-22 02:08:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-22 02:08:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-22 02:08:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-07-22 02:08:25,192 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-07-22 02:08:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-07-22 02:08:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-07-22 02:08:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-07-22 02:08:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-07-22 02:08:25,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-07-22 02:08:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-22 02:08:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-07-22 02:08:25,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-22 02:08:25,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-07-22 02:08:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-07-22 02:08:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-07-22 02:08:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-07-22 02:08:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-07-22 02:08:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-22 02:08:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-07-22 02:08:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-07-22 02:08:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-07-22 02:08:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-07-22 02:08:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-07-22 02:08:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-22 02:08:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-22 02:08:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-07-22 02:08:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-07-22 02:08:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-22 02:08:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-22 02:08:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-07-22 02:08:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-07-22 02:08:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-22 02:08:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-22 02:08:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-22 02:08:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-07-22 02:08:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-07-22 02:08:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-07-22 02:08:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-07-22 02:08:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-22 02:08:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-07-22 02:08:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-07-22 02:08:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-07-22 02:08:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-07-22 02:08:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-07-22 02:08:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-07-22 02:08:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-22 02:08:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-07-22 02:08:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-22 02:08:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-07-22 02:08:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-22 02:08:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-07-22 02:08:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-22 02:08:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-07-22 02:08:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-07-22 02:08:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-07-22 02:08:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-07-22 02:08:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-07-22 02:08:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-07-22 02:08:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-07-22 02:08:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-22 02:08:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-22 02:08:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-22 02:08:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-22 02:08:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-22 02:08:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-07-22 02:08:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-07-22 02:08:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-22 02:08:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-07-22 02:08:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-07-22 02:08:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-07-22 02:08:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-22 02:08:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-22 02:08:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-22 02:08:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-22 02:08:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-22 02:08:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-22 02:08:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-22 02:08:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-22 02:08:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-22 02:08:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-22 02:08:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-07-22 02:08:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-07-22 02:08:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-22 02:08:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-22 02:08:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-22 02:08:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-22 02:08:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-07-22 02:08:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-07-22 02:08:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-22 02:08:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-07-22 02:08:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-07-22 02:08:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-07-22 02:08:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-22 02:08:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-22 02:08:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-07-22 02:08:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-07-22 02:08:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-07-22 02:08:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-07-22 02:08:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-07-22 02:08:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-07-22 02:08:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-07-22 02:08:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-07-22 02:08:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-07-22 02:08:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-07-22 02:08:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-07-22 02:08:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-07-22 02:08:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-07-22 02:08:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-07-22 02:08:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-07-22 02:08:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-07-22 02:08:25,237 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-07-22 02:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-07-22 02:08:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-07-22 02:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-07-22 02:08:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-22 02:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-22 02:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-07-22 02:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-07-22 02:08:25,248 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-07-22 02:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-07-22 02:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-22 02:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-07-22 02:08:25,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-22 02:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-22 02:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-22 02:08:25,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-22 02:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-22 02:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-07-22 02:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-07-22 02:08:25,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-07-22 02:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-07-22 02:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-07-22 02:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-22 02:08:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-22 02:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-22 02:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-22 02:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-22 02:08:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-22 02:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-22 02:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-22 02:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-22 02:08:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-07-22 02:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-07-22 02:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-07-22 02:08:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-22 02:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-07-22 02:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-07-22 02:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-07-22 02:08:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-07-22 02:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-07-22 02:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-22 02:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-22 02:08:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-22 02:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-22 02:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-07-22 02:08:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-22 02:08:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-22 02:08:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-22 02:08:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-07-22 02:08:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-07-22 02:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-07-22 02:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-07-22 02:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-22 02:08:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-07-22 02:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-07-22 02:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-07-22 02:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-07-22 02:08:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-22 02:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-22 02:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-22 02:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-22 02:08:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-22 02:08:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-22 02:08:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-22 02:08:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-22 02:08:25,872 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-22 02:08:27,703 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-22 02:08:27,703 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-22 02:08:27,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:08:27 BoogieIcfgContainer [2020-07-22 02:08:27,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-22 02:08:27,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-22 02:08:27,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-22 02:08:27,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-22 02:08:27,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 02:08:23" (1/3) ... [2020-07-22 02:08:27,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa29096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:08:27, skipping insertion in model container [2020-07-22 02:08:27,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:08:24" (2/3) ... [2020-07-22 02:08:27,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa29096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 02:08:27, skipping insertion in model container [2020-07-22 02:08:27,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:08:27" (3/3) ... [2020-07-22 02:08:27,725 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-22 02:08:27,736 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-22 02:08:27,745 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-22 02:08:27,760 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-22 02:08:27,789 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-22 02:08:27,789 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-22 02:08:27,790 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-22 02:08:27,790 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-22 02:08:27,790 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-22 02:08:27,790 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-22 02:08:27,790 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-22 02:08:27,790 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-22 02:08:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-07-22 02:08:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-22 02:08:27,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:27,853 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1] [2020-07-22 02:08:27,853 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-07-22 02:08:27,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:27,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564245045] [2020-07-22 02:08:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:28,620 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-22 02:08:28,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:28,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-22 02:08:28,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:28,704 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-07-22 02:08:28,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:08:28,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564245045] [2020-07-22 02:08:28,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:08:28,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-22 02:08:28,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135946713] [2020-07-22 02:08:28,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-22 02:08:28,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:08:28,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-22 02:08:28,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-22 02:08:28,736 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 2 states. [2020-07-22 02:08:28,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:08:28,793 INFO L93 Difference]: Finished difference Result 535 states and 710 transitions. [2020-07-22 02:08:28,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-22 02:08:28,796 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 138 [2020-07-22 02:08:28,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:08:28,820 INFO L225 Difference]: With dead ends: 535 [2020-07-22 02:08:28,821 INFO L226 Difference]: Without dead ends: 253 [2020-07-22 02:08:28,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-22 02:08:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-07-22 02:08:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2020-07-22 02:08:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-07-22 02:08:28,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 315 transitions. [2020-07-22 02:08:28,923 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 315 transitions. Word has length 138 [2020-07-22 02:08:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:08:28,924 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 315 transitions. [2020-07-22 02:08:28,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-22 02:08:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 315 transitions. [2020-07-22 02:08:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-22 02:08:28,928 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:28,929 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1] [2020-07-22 02:08:29,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:29,142 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:29,143 INFO L82 PathProgramCache]: Analyzing trace with hash 568155594, now seen corresponding path program 1 times [2020-07-22 02:08:29,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:29,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [688437663] [2020-07-22 02:08:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:34,592 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:08:34,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:34,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 2216 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-22 02:08:34,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:08:34,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:08:34,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [688437663] [2020-07-22 02:08:34,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:08:34,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:08:34,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796836050] [2020-07-22 02:08:34,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:08:34,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:08:34,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:08:34,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:08:34,714 INFO L87 Difference]: Start difference. First operand 253 states and 315 transitions. Second operand 3 states. [2020-07-22 02:08:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:08:34,804 INFO L93 Difference]: Finished difference Result 633 states and 800 transitions. [2020-07-22 02:08:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:08:34,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-22 02:08:34,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:08:34,811 INFO L225 Difference]: With dead ends: 633 [2020-07-22 02:08:34,811 INFO L226 Difference]: Without dead ends: 412 [2020-07-22 02:08:34,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:08:34,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-22 02:08:34,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 388. [2020-07-22 02:08:34,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-22 02:08:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 497 transitions. [2020-07-22 02:08:34,875 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 497 transitions. Word has length 138 [2020-07-22 02:08:34,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:08:34,876 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 497 transitions. [2020-07-22 02:08:34,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:08:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 497 transitions. [2020-07-22 02:08:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-22 02:08:34,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:34,886 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1] [2020-07-22 02:08:35,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:35,102 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:35,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:35,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1957018819, now seen corresponding path program 1 times [2020-07-22 02:08:35,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:35,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198838137] [2020-07-22 02:08:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:40,038 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:08:40,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:40,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 2189 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-22 02:08:40,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:40,141 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:08:40,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:08:40,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198838137] [2020-07-22 02:08:40,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:08:40,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:08:40,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670248040] [2020-07-22 02:08:40,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:08:40,144 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:08:40,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:08:40,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:08:40,145 INFO L87 Difference]: Start difference. First operand 388 states and 497 transitions. Second operand 3 states. [2020-07-22 02:08:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:08:40,221 INFO L93 Difference]: Finished difference Result 671 states and 878 transitions. [2020-07-22 02:08:40,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:08:40,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-22 02:08:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:08:40,227 INFO L225 Difference]: With dead ends: 671 [2020-07-22 02:08:40,227 INFO L226 Difference]: Without dead ends: 647 [2020-07-22 02:08:40,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:08:40,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-07-22 02:08:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 643. [2020-07-22 02:08:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-07-22 02:08:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 847 transitions. [2020-07-22 02:08:40,260 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 847 transitions. Word has length 141 [2020-07-22 02:08:40,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:08:40,260 INFO L479 AbstractCegarLoop]: Abstraction has 643 states and 847 transitions. [2020-07-22 02:08:40,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:08:40,261 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 847 transitions. [2020-07-22 02:08:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-22 02:08:40,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:40,265 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1] [2020-07-22 02:08:40,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:40,481 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:40,482 INFO L82 PathProgramCache]: Analyzing trace with hash -2115073202, now seen corresponding path program 1 times [2020-07-22 02:08:40,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:40,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986780387] [2020-07-22 02:08:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:43,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-22 02:08:43,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:44,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 2167 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-22 02:08:44,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:44,060 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-22 02:08:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:08:44,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:08:44,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986780387] [2020-07-22 02:08:44,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:08:44,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-22 02:08:44,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953418173] [2020-07-22 02:08:44,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-22 02:08:44,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:08:44,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-22 02:08:44,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-22 02:08:44,113 INFO L87 Difference]: Start difference. First operand 643 states and 847 transitions. Second operand 6 states. [2020-07-22 02:08:44,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:08:44,197 INFO L93 Difference]: Finished difference Result 1261 states and 1663 transitions. [2020-07-22 02:08:44,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-22 02:08:44,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 167 [2020-07-22 02:08:44,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:08:44,202 INFO L225 Difference]: With dead ends: 1261 [2020-07-22 02:08:44,202 INFO L226 Difference]: Without dead ends: 644 [2020-07-22 02:08:44,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-22 02:08:44,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-22 02:08:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2020-07-22 02:08:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-07-22 02:08:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 848 transitions. [2020-07-22 02:08:44,241 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 848 transitions. Word has length 167 [2020-07-22 02:08:44,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:08:44,242 INFO L479 AbstractCegarLoop]: Abstraction has 644 states and 848 transitions. [2020-07-22 02:08:44,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-22 02:08:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 848 transitions. [2020-07-22 02:08:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-22 02:08:44,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:44,244 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1] [2020-07-22 02:08:44,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:44,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:44,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:44,457 INFO L82 PathProgramCache]: Analyzing trace with hash -5515726, now seen corresponding path program 1 times [2020-07-22 02:08:44,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:44,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795477737] [2020-07-22 02:08:44,458 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:47,931 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-22 02:08:47,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:47,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 2150 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-22 02:08:47,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:48,007 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-22 02:08:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:08:48,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-22 02:08:48,339 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-22 02:08:48,381 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-22 02:08:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-22 02:08:48,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795477737] [2020-07-22 02:08:48,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-22 02:08:48,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-07-22 02:08:48,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559392560] [2020-07-22 02:08:48,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-22 02:08:48,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:08:48,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-22 02:08:48,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-22 02:08:48,610 INFO L87 Difference]: Start difference. First operand 644 states and 848 transitions. Second operand 11 states. [2020-07-22 02:08:48,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:08:48,695 INFO L93 Difference]: Finished difference Result 1262 states and 1664 transitions. [2020-07-22 02:08:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-22 02:08:48,696 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-07-22 02:08:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:08:48,700 INFO L225 Difference]: With dead ends: 1262 [2020-07-22 02:08:48,701 INFO L226 Difference]: Without dead ends: 645 [2020-07-22 02:08:48,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 323 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-22 02:08:48,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-22 02:08:48,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2020-07-22 02:08:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-22 02:08:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 849 transitions. [2020-07-22 02:08:48,727 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 849 transitions. Word has length 168 [2020-07-22 02:08:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:08:48,728 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 849 transitions. [2020-07-22 02:08:48,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-22 02:08:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 849 transitions. [2020-07-22 02:08:48,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-22 02:08:48,731 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:08:48,731 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 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] [2020-07-22 02:08:48,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:48,941 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:08:48,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:08:48,941 INFO L82 PathProgramCache]: Analyzing trace with hash 966256590, now seen corresponding path program 2 times [2020-07-22 02:08:48,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:08:48,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387007536] [2020-07-22 02:08:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:08:52,231 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-22 02:08:52,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:08:52,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-22 02:08:52,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:08:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:08:52,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-22 02:08:52,677 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 2, 1] term [2020-07-22 02:08:52,677 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-22 02:08:52,725 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-22 02:08:52,726 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-22 02:08:52,727 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-22 02:08:59,083 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 51 [2020-07-22 02:08:59,085 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-22 02:09:03,248 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification that was a NOOP. DAG size: 53 [2020-07-22 02:09:07,431 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification that was a NOOP. DAG size: 54 [2020-07-22 02:09:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-22 02:09:07,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387007536] [2020-07-22 02:09:07,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-22 02:09:07,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-07-22 02:09:07,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694884099] [2020-07-22 02:09:07,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-22 02:09:07,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:07,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-22 02:09:07,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=142, Unknown=1, NotChecked=0, Total=182 [2020-07-22 02:09:07,597 INFO L87 Difference]: Start difference. First operand 645 states and 849 transitions. Second operand 14 states. [2020-07-22 02:09:14,075 WARN L193 SmtUtils]: Spent 6.35 s on a formula simplification that was a NOOP. DAG size: 65 [2020-07-22 02:09:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:14,164 INFO L93 Difference]: Finished difference Result 1263 states and 1665 transitions. [2020-07-22 02:09:14,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-22 02:09:14,165 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 169 [2020-07-22 02:09:14,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:14,169 INFO L225 Difference]: With dead ends: 1263 [2020-07-22 02:09:14,169 INFO L226 Difference]: Without dead ends: 646 [2020-07-22 02:09:14,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 322 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2020-07-22 02:09:14,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-22 02:09:14,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2020-07-22 02:09:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-22 02:09:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 850 transitions. [2020-07-22 02:09:14,202 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 850 transitions. Word has length 169 [2020-07-22 02:09:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:14,203 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 850 transitions. [2020-07-22 02:09:14,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-22 02:09:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 850 transitions. [2020-07-22 02:09:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-22 02:09:14,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:14,207 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:14,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:14,421 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:14,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:14,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1026427314, now seen corresponding path program 3 times [2020-07-22 02:09:14,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:14,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [188528981] [2020-07-22 02:09:14,424 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:17,773 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-22 02:09:17,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:17,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-22 02:09:17,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:17,852 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-22 02:09:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-22 02:09:17,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-22 02:09:18,152 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-22 02:09:18,195 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-22 02:09:18,436 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-22 02:09:18,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [188528981] [2020-07-22 02:09:18,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-22 02:09:18,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-07-22 02:09:18,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603552705] [2020-07-22 02:09:18,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-22 02:09:18,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:18,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-22 02:09:18,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-22 02:09:18,440 INFO L87 Difference]: Start difference. First operand 646 states and 850 transitions. Second operand 15 states. [2020-07-22 02:09:18,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:18,544 INFO L93 Difference]: Finished difference Result 1264 states and 1666 transitions. [2020-07-22 02:09:18,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-22 02:09:18,551 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 170 [2020-07-22 02:09:18,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:18,555 INFO L225 Difference]: With dead ends: 1264 [2020-07-22 02:09:18,555 INFO L226 Difference]: Without dead ends: 647 [2020-07-22 02:09:18,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 323 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-07-22 02:09:18,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-07-22 02:09:18,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 647. [2020-07-22 02:09:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-07-22 02:09:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 851 transitions. [2020-07-22 02:09:18,578 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 851 transitions. Word has length 170 [2020-07-22 02:09:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:18,579 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 851 transitions. [2020-07-22 02:09:18,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-22 02:09:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 851 transitions. [2020-07-22 02:09:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-22 02:09:18,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:18,582 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:18,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:18,783 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:18,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:18,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1403247538, now seen corresponding path program 4 times [2020-07-22 02:09:18,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:18,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515921921] [2020-07-22 02:09:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:24,299 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:24,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:24,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 2409 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-22 02:09:24,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-07-22 02:09:24,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:24,379 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515921921] [2020-07-22 02:09:24,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:24,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:24,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199107826] [2020-07-22 02:09:24,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:24,382 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:24,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:24,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:24,382 INFO L87 Difference]: Start difference. First operand 647 states and 851 transitions. Second operand 3 states. [2020-07-22 02:09:24,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:24,452 INFO L93 Difference]: Finished difference Result 669 states and 877 transitions. [2020-07-22 02:09:24,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:24,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-22 02:09:24,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:24,458 INFO L225 Difference]: With dead ends: 669 [2020-07-22 02:09:24,459 INFO L226 Difference]: Without dead ends: 658 [2020-07-22 02:09:24,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:24,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-07-22 02:09:24,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 647. [2020-07-22 02:09:24,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-07-22 02:09:24,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 850 transitions. [2020-07-22 02:09:24,482 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 850 transitions. Word has length 171 [2020-07-22 02:09:24,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:24,483 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 850 transitions. [2020-07-22 02:09:24,483 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 850 transitions. [2020-07-22 02:09:24,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-22 02:09:24,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:24,486 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:24,701 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:24,702 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:24,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1345989236, now seen corresponding path program 1 times [2020-07-22 02:09:24,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:24,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267413292] [2020-07-22 02:09:24,703 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:30,152 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:30,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:30,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-22 02:09:30,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-07-22 02:09:30,249 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:30,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267413292] [2020-07-22 02:09:30,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:30,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:30,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202156688] [2020-07-22 02:09:30,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:30,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:30,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:30,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:30,251 INFO L87 Difference]: Start difference. First operand 647 states and 850 transitions. Second operand 3 states. [2020-07-22 02:09:30,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:30,272 INFO L93 Difference]: Finished difference Result 649 states and 851 transitions. [2020-07-22 02:09:30,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:30,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2020-07-22 02:09:30,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:30,279 INFO L225 Difference]: With dead ends: 649 [2020-07-22 02:09:30,279 INFO L226 Difference]: Without dead ends: 646 [2020-07-22 02:09:30,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-22 02:09:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2020-07-22 02:09:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2020-07-22 02:09:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 848 transitions. [2020-07-22 02:09:30,305 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 848 transitions. Word has length 171 [2020-07-22 02:09:30,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:30,306 INFO L479 AbstractCegarLoop]: Abstraction has 646 states and 848 transitions. [2020-07-22 02:09:30,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:30,307 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 848 transitions. [2020-07-22 02:09:30,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-22 02:09:30,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:30,310 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:30,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:30,524 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:30,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:30,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1223810053, now seen corresponding path program 1 times [2020-07-22 02:09:30,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:30,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817469240] [2020-07-22 02:09:30,526 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:36,067 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:36,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:36,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-22 02:09:36,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-07-22 02:09:36,153 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:36,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817469240] [2020-07-22 02:09:36,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:36,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:36,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544950115] [2020-07-22 02:09:36,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:36,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:36,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:36,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:36,155 INFO L87 Difference]: Start difference. First operand 646 states and 848 transitions. Second operand 3 states. [2020-07-22 02:09:36,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:36,179 INFO L93 Difference]: Finished difference Result 648 states and 849 transitions. [2020-07-22 02:09:36,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:36,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-07-22 02:09:36,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:36,183 INFO L225 Difference]: With dead ends: 648 [2020-07-22 02:09:36,183 INFO L226 Difference]: Without dead ends: 645 [2020-07-22 02:09:36,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-07-22 02:09:36,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 645. [2020-07-22 02:09:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-22 02:09:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 846 transitions. [2020-07-22 02:09:36,208 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 846 transitions. Word has length 172 [2020-07-22 02:09:36,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:36,208 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 846 transitions. [2020-07-22 02:09:36,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 846 transitions. [2020-07-22 02:09:36,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-07-22 02:09:36,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:36,211 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:36,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:36,427 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:36,427 INFO L82 PathProgramCache]: Analyzing trace with hash -716785745, now seen corresponding path program 1 times [2020-07-22 02:09:36,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:36,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344725755] [2020-07-22 02:09:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:41,909 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:41,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:41,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 2400 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-22 02:09:41,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-07-22 02:09:41,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:41,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344725755] [2020-07-22 02:09:41,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:41,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:41,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217321328] [2020-07-22 02:09:41,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:41,996 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:41,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:41,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:41,996 INFO L87 Difference]: Start difference. First operand 645 states and 846 transitions. Second operand 3 states. [2020-07-22 02:09:42,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:42,017 INFO L93 Difference]: Finished difference Result 647 states and 847 transitions. [2020-07-22 02:09:42,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:42,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-07-22 02:09:42,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:42,021 INFO L225 Difference]: With dead ends: 647 [2020-07-22 02:09:42,022 INFO L226 Difference]: Without dead ends: 644 [2020-07-22 02:09:42,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:42,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-22 02:09:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 644. [2020-07-22 02:09:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-07-22 02:09:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 844 transitions. [2020-07-22 02:09:42,058 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 844 transitions. Word has length 173 [2020-07-22 02:09:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:42,060 INFO L479 AbstractCegarLoop]: Abstraction has 644 states and 844 transitions. [2020-07-22 02:09:42,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 844 transitions. [2020-07-22 02:09:42,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-22 02:09:42,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:42,063 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:42,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:42,282 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:42,282 INFO L82 PathProgramCache]: Analyzing trace with hash -745708472, now seen corresponding path program 1 times [2020-07-22 02:09:42,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:42,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [119710374] [2020-07-22 02:09:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:47,970 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:47,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:48,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 2402 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-22 02:09:48,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2020-07-22 02:09:48,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:48,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [119710374] [2020-07-22 02:09:48,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:48,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:48,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187175056] [2020-07-22 02:09:48,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:48,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:48,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:48,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:48,061 INFO L87 Difference]: Start difference. First operand 644 states and 844 transitions. Second operand 3 states. [2020-07-22 02:09:48,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:48,111 INFO L93 Difference]: Finished difference Result 1836 states and 2440 transitions. [2020-07-22 02:09:48,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:48,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-07-22 02:09:48,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:48,120 INFO L225 Difference]: With dead ends: 1836 [2020-07-22 02:09:48,120 INFO L226 Difference]: Without dead ends: 1210 [2020-07-22 02:09:48,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:48,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2020-07-22 02:09:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 1095. [2020-07-22 02:09:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2020-07-22 02:09:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1447 transitions. [2020-07-22 02:09:48,183 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1447 transitions. Word has length 174 [2020-07-22 02:09:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:48,184 INFO L479 AbstractCegarLoop]: Abstraction has 1095 states and 1447 transitions. [2020-07-22 02:09:48,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1447 transitions. [2020-07-22 02:09:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-22 02:09:48,189 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:48,189 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:48,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:48,401 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:48,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:48,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1200016035, now seen corresponding path program 1 times [2020-07-22 02:09:48,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:48,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064421796] [2020-07-22 02:09:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:55,615 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:09:55,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:09:55,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-22 02:09:55,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:09:55,728 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-22 02:09:55,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:09:55,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064421796] [2020-07-22 02:09:55,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:09:55,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-22 02:09:55,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652043585] [2020-07-22 02:09:55,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-22 02:09:55,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:09:55,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-22 02:09:55,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:55,731 INFO L87 Difference]: Start difference. First operand 1095 states and 1447 transitions. Second operand 3 states. [2020-07-22 02:09:56,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:09:56,353 INFO L93 Difference]: Finished difference Result 2156 states and 2860 transitions. [2020-07-22 02:09:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-22 02:09:56,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-07-22 02:09:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:09:56,361 INFO L225 Difference]: With dead ends: 2156 [2020-07-22 02:09:56,361 INFO L226 Difference]: Without dead ends: 1097 [2020-07-22 02:09:56,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-22 02:09:56,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2020-07-22 02:09:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1092. [2020-07-22 02:09:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1092 states. [2020-07-22 02:09:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1438 transitions. [2020-07-22 02:09:56,417 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1438 transitions. Word has length 215 [2020-07-22 02:09:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:09:56,417 INFO L479 AbstractCegarLoop]: Abstraction has 1092 states and 1438 transitions. [2020-07-22 02:09:56,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-22 02:09:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1438 transitions. [2020-07-22 02:09:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-22 02:09:56,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:09:56,422 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:09:56,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:09:56,622 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:09:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:09:56,623 INFO L82 PathProgramCache]: Analyzing trace with hash 181783407, now seen corresponding path program 1 times [2020-07-22 02:09:56,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:09:56,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082832414] [2020-07-22 02:09:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:10:03,675 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:10:03,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:10:03,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 2595 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-22 02:10:03,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:10:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-07-22 02:10:03,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:10:03,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082832414] [2020-07-22 02:10:03,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:10:03,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-22 02:10:03,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880843492] [2020-07-22 02:10:03,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-22 02:10:03,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:10:03,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-22 02:10:03,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-07-22 02:10:03,847 INFO L87 Difference]: Start difference. First operand 1092 states and 1438 transitions. Second operand 10 states. [2020-07-22 02:10:03,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:10:03,945 INFO L93 Difference]: Finished difference Result 2150 states and 2833 transitions. [2020-07-22 02:10:03,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-22 02:10:03,946 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 220 [2020-07-22 02:10:03,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:10:03,952 INFO L225 Difference]: With dead ends: 2150 [2020-07-22 02:10:03,952 INFO L226 Difference]: Without dead ends: 1094 [2020-07-22 02:10:03,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-22 02:10:03,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2020-07-22 02:10:04,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 1090. [2020-07-22 02:10:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2020-07-22 02:10:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1428 transitions. [2020-07-22 02:10:04,013 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1428 transitions. Word has length 220 [2020-07-22 02:10:04,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:10:04,013 INFO L479 AbstractCegarLoop]: Abstraction has 1090 states and 1428 transitions. [2020-07-22 02:10:04,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-22 02:10:04,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1428 transitions. [2020-07-22 02:10:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-22 02:10:04,018 INFO L414 BasicCegarLoop]: Found error trace [2020-07-22 02:10:04,019 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-22 02:10:04,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:10:04,219 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-22 02:10:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-22 02:10:04,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1200899599, now seen corresponding path program 1 times [2020-07-22 02:10:04,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-22 02:10:04,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870942782] [2020-07-22 02:10:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:10:11,631 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-22 02:10:11,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-22 02:10:11,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-22 02:10:11,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-22 02:10:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-22 02:10:11,773 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-22 02:10:11,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870942782] [2020-07-22 02:10:11,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-22 02:10:11,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-22 02:10:11,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394356383] [2020-07-22 02:10:11,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-22 02:10:11,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-22 02:10:11,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-22 02:10:11,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-22 02:10:11,785 INFO L87 Difference]: Start difference. First operand 1090 states and 1428 transitions. Second operand 7 states. [2020-07-22 02:10:11,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-22 02:10:11,822 INFO L93 Difference]: Finished difference Result 1094 states and 1432 transitions. [2020-07-22 02:10:11,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-22 02:10:11,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-07-22 02:10:11,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-22 02:10:11,824 INFO L225 Difference]: With dead ends: 1094 [2020-07-22 02:10:11,824 INFO L226 Difference]: Without dead ends: 0 [2020-07-22 02:10:11,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-22 02:10:11,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-22 02:10:11,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-22 02:10:11,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-22 02:10:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-22 02:10:11,831 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2020-07-22 02:10:11,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-22 02:10:11,832 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-22 02:10:11,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-22 02:10:11,832 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-22 02:10:11,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-22 02:10:12,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-22 02:10:12,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-22 02:10:14,372 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-07-22 02:10:15,296 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeEXIT(lines 6455 6470) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point L6459(lines 6459 6468) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point L6460-1(line 6460) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point L6460(line 6460) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point L6461(lines 6461 6465) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeENTRY(lines 6455 6470) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeFINAL(lines 6455 6470) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceENTRY(lines 6664 6680) no Hoare annotation was computed. [2020-07-22 02:10:15,297 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceFINAL(lines 6664 6680) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6672(line 6672) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6673(lines 6673 6678) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceEXIT(lines 6664 6680) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6668-1(lines 6668 6671) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6668(lines 6668 6671) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6669(line 6669) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceENTRY(lines 6743 6758) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6747(lines 6747 6756) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6748-1(line 6748) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6748(line 6748) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point L6749(lines 6749 6753) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceEXIT(lines 6743 6758) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceFINAL(lines 6743 6758) no Hoare annotation was computed. [2020-07-22 02:10:15,298 INFO L268 CegarLoopResult]: For program point usbnet_resumeFINAL(lines 7012 7014) no Hoare annotation was computed. [2020-07-22 02:10:15,299 INFO L271 CegarLoopResult]: At program point usbnet_resumeENTRY(lines 7012 7014) the Hoare annotation is: true [2020-07-22 02:10:15,299 INFO L268 CegarLoopResult]: For program point usbnet_resumeEXIT(lines 7012 7014) no Hoare annotation was computed. [2020-07-22 02:10:15,299 INFO L264 CegarLoopResult]: At program point L6846(line 6846) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,299 INFO L268 CegarLoopResult]: For program point L6845-1(lines 6845 6848) no Hoare annotation was computed. [2020-07-22 02:10:15,299 INFO L268 CegarLoopResult]: For program point L6845(lines 6845 6848) no Hoare annotation was computed. [2020-07-22 02:10:15,299 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevFINAL(lines 6842 6852) no Hoare annotation was computed. [2020-07-22 02:10:15,299 INFO L264 CegarLoopResult]: At program point ldv_mutex_lock_udevENTRY(lines 6842 6852) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevEXIT(lines 6842 6852) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeENTRY(lines 6376 6392) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point L6384(line 6384) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point L6385(lines 6385 6390) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point L6380-1(lines 6380 6383) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point L6380(lines 6380 6383) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeEXIT(lines 6376 6392) no Hoare annotation was computed. [2020-07-22 02:10:15,300 INFO L268 CegarLoopResult]: For program point L6381(line 6381) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeFINAL(lines 6376 6392) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevEXIT(lines 6903 6913) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point L6906(lines 6906 6909) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L264 CegarLoopResult]: At program point L6907(line 6907) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point L6906-1(lines 6906 6909) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L264 CegarLoopResult]: At program point ldv_mutex_unlock_udevENTRY(lines 6903 6913) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevFINAL(lines 6903 6913) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L271 CegarLoopResult]: At program point ldv_undef_intENTRY(lines 5765 5772) the Hoare annotation is: true [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point ldv_undef_intFINAL(lines 5765 5772) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L268 CegarLoopResult]: For program point ldv_undef_intEXIT(lines 5765 5772) no Hoare annotation was computed. [2020-07-22 02:10:15,301 INFO L271 CegarLoopResult]: At program point L6047(line 6047) the Hoare annotation is: true [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 5968 6218) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L264 CegarLoopResult]: At program point L6130(line 6130) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6196(lines 6196 6200) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L264 CegarLoopResult]: At program point L5998(line 5998) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L5998-1(line 5998) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6131(lines 6131 6139) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L264 CegarLoopResult]: At program point L6197(line 6197) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6197-1(line 6197) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6131-2(lines 6129 6145) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6082(line 6082) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6148(line 6148) no Hoare annotation was computed. [2020-07-22 02:10:15,302 INFO L268 CegarLoopResult]: For program point L6016(lines 6016 6211) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6099(line 6099) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6000-1(line 6000) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L264 CegarLoopResult]: At program point L6000(line 6000) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 5968 6218) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6215(line 6215) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6083(lines 6083 6087) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L271 CegarLoopResult]: At program point L6149(line 6149) the Hoare annotation is: true [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6116(line 6116) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6017(line 6017) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6100(lines 6100 6107) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6084-1(line 6084) no Hoare annotation was computed. [2020-07-22 02:10:15,303 INFO L268 CegarLoopResult]: For program point L6018(lines 6018 6033) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6117(lines 6117 6153) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L264 CegarLoopResult]: At program point L6084(line 6084) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,304 INFO L271 CegarLoopResult]: At program point L6167(line 6167) the Hoare annotation is: true [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6035(line 6035) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L264 CegarLoopResult]: At program point L6002(line 6002) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,304 INFO L264 CegarLoopResult]: At program point L6101(line 6101) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6101-1(line 6101) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6002-1(line 6002) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-07-22 02:10:15,304 INFO L268 CegarLoopResult]: For program point L6102(lines 6102 6105) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6069-2(lines 6056 6111) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6069(lines 6069 6074) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6036(lines 6036 6051) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6119(lines 6119 6150) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L271 CegarLoopResult]: At program point L6185(line 6185) the Hoare annotation is: true [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6053(line 6053) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6020(lines 6020 6030) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L268 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-07-22 02:10:15,305 INFO L264 CegarLoopResult]: At program point L6070(line 6070) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,306 INFO L264 CegarLoopResult]: At program point L6004-1(line 6004) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,306 INFO L268 CegarLoopResult]: For program point L6070-1(line 6070) no Hoare annotation was computed. [2020-07-22 02:10:15,306 INFO L264 CegarLoopResult]: At program point L6004(line 6004) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,306 INFO L268 CegarLoopResult]: For program point L6054(lines 6054 6114) no Hoare annotation was computed. [2020-07-22 02:10:15,306 INFO L268 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-07-22 02:10:15,306 INFO L268 CegarLoopResult]: For program point L6021(line 6021) no Hoare annotation was computed. [2020-07-22 02:10:15,306 INFO L271 CegarLoopResult]: At program point L6203(line 6203) the Hoare annotation is: true [2020-07-22 02:10:15,306 INFO L268 CegarLoopResult]: For program point L6038(lines 6038 6048) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6005(line 6005) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6022(lines 6022 6026) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6121(lines 6121 6126) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6155(line 6155) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L264 CegarLoopResult]: At program point L6122(line 6122) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,307 INFO L264 CegarLoopResult]: At program point L6023(line 6023) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6023-1(line 6023) no Hoare annotation was computed. [2020-07-22 02:10:15,307 INFO L268 CegarLoopResult]: For program point L6089(line 6089) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6122-1(line 6122) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6056(lines 6056 6111) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6040(lines 6040 6044) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6090(lines 6090 6097) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6156(lines 6156 6171) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6173(line 6173) no Hoare annotation was computed. [2020-07-22 02:10:15,308 INFO L264 CegarLoopResult]: At program point L6041(line 6041) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,308 INFO L268 CegarLoopResult]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2020-07-22 02:10:15,309 INFO L264 CegarLoopResult]: At program point L6091(line 6091) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,309 INFO L268 CegarLoopResult]: For program point L6058(lines 6058 6066) no Hoare annotation was computed. [2020-07-22 02:10:15,309 INFO L268 CegarLoopResult]: For program point L6091-1(line 6091) no Hoare annotation was computed. [2020-07-22 02:10:15,309 INFO L268 CegarLoopResult]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2020-07-22 02:10:15,309 INFO L264 CegarLoopResult]: At program point L5992(line 5992) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,309 INFO L268 CegarLoopResult]: For program point L6174(lines 6174 6189) no Hoare annotation was computed. [2020-07-22 02:10:15,309 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 5968 6218) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,309 INFO L268 CegarLoopResult]: For program point L6191(line 6191) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6158(lines 6158 6168) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L264 CegarLoopResult]: At program point L6059(line 6059) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6059-1(line 6059) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6092(lines 6092 6095) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L264 CegarLoopResult]: At program point L6142(lines 5991 6217) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6109(line 6109) no Hoare annotation was computed. [2020-07-22 02:10:15,310 INFO L264 CegarLoopResult]: At program point L6076(line 6076) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,310 INFO L268 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6192(lines 6192 6207) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L264 CegarLoopResult]: At program point L5994(line 5994) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6060(lines 6060 6064) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L5994-1(line 5994) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L271 CegarLoopResult]: At program point L6110(line 6110) the Hoare annotation is: true [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6209(line 6209) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6176(lines 6176 6186) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6160(lines 6160 6164) no Hoare annotation was computed. [2020-07-22 02:10:15,311 INFO L268 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L271 CegarLoopResult]: At program point L6210(line 6210) the Hoare annotation is: true [2020-07-22 02:10:15,312 INFO L268 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L268 CegarLoopResult]: For program point L6194(lines 6194 6204) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L264 CegarLoopResult]: At program point L6161(line 6161) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,312 INFO L268 CegarLoopResult]: For program point L6128(line 6128) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L268 CegarLoopResult]: For program point L6161-1(line 6161) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L268 CegarLoopResult]: For program point L5996-1(line 5996) no Hoare annotation was computed. [2020-07-22 02:10:15,312 INFO L271 CegarLoopResult]: At program point L6029(line 6029) the Hoare annotation is: true [2020-07-22 02:10:15,312 INFO L264 CegarLoopResult]: At program point L5996(line 5996) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (<= ~ldv_state_variable_0~0 1)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point L6178(lines 6178 6182) no Hoare annotation was computed. [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point L6129(lines 6129 6146) no Hoare annotation was computed. [2020-07-22 02:10:15,313 INFO L264 CegarLoopResult]: At program point L6179(line 6179) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point L6179-1(line 6179) no Hoare annotation was computed. [2020-07-22 02:10:15,313 INFO L264 CegarLoopResult]: At program point L6212(lines 5991 6217) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (not (<= |old(~ldv_state_variable_6~0)| 0)) (not (<= |old(~ldv_state_variable_0~0)| 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 |old(~ldv_retval_3~0)|)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,313 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11EXIT(lines 6272 6279) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point L6275(line 6275) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point L6275-1(line 6275) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11ENTRY(lines 6272 6279) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11FINAL(lines 6272 6279) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockFINAL(lines 6537 6553) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point L6546(lines 6546 6551) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point L6542(line 6542) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockENTRY(lines 6537 6553) no Hoare annotation was computed. [2020-07-22 02:10:15,314 INFO L268 CegarLoopResult]: For program point L6545(line 6545) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L268 CegarLoopResult]: For program point L6541-1(lines 6541 6544) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockEXIT(lines 6537 6553) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L268 CegarLoopResult]: For program point L6541(lines 6541 6544) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6288 6295) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L264 CegarLoopResult]: At program point ldv___ldv_usb_unlock_device_13ENTRY(lines 6288 6295) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,315 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6288 6295) no Hoare annotation was computed. [2020-07-22 02:10:15,315 INFO L264 CegarLoopResult]: At program point L6291(line 6291) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,315 INFO L264 CegarLoopResult]: At program point L6291-1(line 6291) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeENTRY(lines 6482 6488) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeFINAL(lines 6482 6488) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeEXIT(lines 6482 6488) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point L6718(lines 6718 6723) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point L6714(line 6714) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point L6717(line 6717) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point L6713-1(lines 6713 6716) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point L6713(lines 6713 6716) no Hoare annotation was computed. [2020-07-22 02:10:15,316 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceEXIT(lines 6709 6725) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceENTRY(lines 6709 6725) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceFINAL(lines 6709 6725) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7ENTRY(lines 6235 6242) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point L6238(line 6238) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7EXIT(lines 6235 6242) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point L6238-1(line 6238) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7FINAL(lines 6235 6242) no Hoare annotation was computed. [2020-07-22 02:10:15,317 INFO L268 CegarLoopResult]: For program point ldv_stopEXIT(lines 5781 5787) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L271 CegarLoopResult]: At program point ldv_stopENTRY(lines 5781 5787) the Hoare annotation is: true [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point L6398(line 6398) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point L6401(line 6401) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point L6397-1(lines 6397 6400) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point L6397(lines 6397 6400) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeFINAL(lines 6393 6409) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeENTRY(lines 6393 6409) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeEXIT(lines 6393 6409) no Hoare annotation was computed. [2020-07-22 02:10:15,318 INFO L268 CegarLoopResult]: For program point L6402(lines 6402 6407) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeEXIT(lines 6512 6518) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeFINAL(lines 6512 6518) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeENTRY(lines 6512 6518) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point dummy_postresetEXIT(lines 5924 5929) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point dummy_postresetENTRY(lines 5924 5929) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point dummy_postresetFINAL(lines 5924 5929) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 6976 6978) the Hoare annotation is: true [2020-07-22 02:10:15,319 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 6976 6978) no Hoare annotation was computed. [2020-07-22 02:10:15,319 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2020-07-22 02:10:15,320 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,320 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,320 INFO L268 CegarLoopResult]: For program point usb_deregisterEXIT(lines 6993 6995) no Hoare annotation was computed. [2020-07-22 02:10:15,320 INFO L268 CegarLoopResult]: For program point usb_deregisterFINAL(lines 6993 6995) no Hoare annotation was computed. [2020-07-22 02:10:15,320 INFO L271 CegarLoopResult]: At program point usb_deregisterENTRY(lines 6993 6995) the Hoare annotation is: true [2020-07-22 02:10:15,320 INFO L271 CegarLoopResult]: At program point ldv_undef_int_negativeENTRY(lines 6325 6338) the Hoare annotation is: true [2020-07-22 02:10:15,320 INFO L271 CegarLoopResult]: At program point L6330(line 6330) the Hoare annotation is: true [2020-07-22 02:10:15,320 INFO L268 CegarLoopResult]: For program point L6332-1(lines 6332 6335) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point L6332(lines 6332 6335) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L271 CegarLoopResult]: At program point L6333(line 6333) the Hoare annotation is: true [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeFINAL(lines 6325 6338) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point L6330-1(line 6330) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeEXIT(lines 6325 6338) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point L6414(line 6414) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeFINAL(lines 6410 6420) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point L6413-1(lines 6413 6416) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point L6413(lines 6413 6416) no Hoare annotation was computed. [2020-07-22 02:10:15,321 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeENTRY(lines 6410 6420) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeEXIT(lines 6410 6420) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevFINAL(lines 6921 6928) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point L6925(line 6925) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevENTRY(lines 6921 6928) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevEXIT(lines 6921 6928) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L271 CegarLoopResult]: At program point usbnet_probeENTRY(lines 7008 7010) the Hoare annotation is: true [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point usbnet_probeFINAL(lines 7008 7010) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point usbnet_probeEXIT(lines 7008 7010) no Hoare annotation was computed. [2020-07-22 02:10:15,322 INFO L268 CegarLoopResult]: For program point L6574(lines 6574 6579) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockEXIT(lines 6565 6581) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point L6570(line 6570) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockENTRY(lines 6565 6581) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockFINAL(lines 6565 6581) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point L6573(line 6573) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point L6569-1(lines 6569 6572) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point L6569(lines 6569 6572) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point L6222(line 6222) no Hoare annotation was computed. [2020-07-22 02:10:15,323 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5EXIT(lines 6219 6226) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point L6222-1(line 6222) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5ENTRY(lines 6219 6226) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5FINAL(lines 6219 6226) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_exitENTRY(lines 5945 5951) the Hoare annotation is: true [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitEXIT(lines 5945 5951) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitFINAL(lines 5945 5951) no Hoare annotation was computed. [2020-07-22 02:10:15,324 INFO L271 CegarLoopResult]: At program point usbnet_disconnectENTRY(lines 7004 7006) the Hoare annotation is: true [2020-07-22 02:10:15,324 INFO L268 CegarLoopResult]: For program point usbnet_disconnectFINAL(lines 7004 7006) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point usbnet_disconnectEXIT(lines 7004 7006) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevFINAL(lines 6808 6824) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point L6816(line 6816) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point L6817(lines 6817 6822) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point L6812-1(lines 6812 6815) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point L6812(lines 6812 6815) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point L6813(line 6813) no Hoare annotation was computed. [2020-07-22 02:10:15,325 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevENTRY(lines 6808 6824) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevEXIT(lines 6808 6824) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockFINAL(lines 6626 6632) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockENTRY(lines 6626 6632) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockEXIT(lines 6626 6632) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceEXIT(lines 6770 6776) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceENTRY(lines 6770 6776) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceFINAL(lines 6770 6776) no Hoare annotation was computed. [2020-07-22 02:10:15,326 INFO L271 CegarLoopResult]: At program point usb_register_driverENTRY(lines 6997 6999) the Hoare annotation is: true [2020-07-22 02:10:15,326 INFO L268 CegarLoopResult]: For program point usb_register_driverFINAL(lines 6997 6999) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point usb_register_driverEXIT(lines 6997 6999) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceEXIT(lines 6785 6799) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point L6795-1(line 6795) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point L6795(line 6795) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceENTRY(lines 6785 6799) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceFINAL(lines 6785 6799) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point L6790(line 6790) no Hoare annotation was computed. [2020-07-22 02:10:15,327 INFO L268 CegarLoopResult]: For program point L6791(lines 6791 6797) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6792-1(line 6792) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6792(line 6792) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceEXIT(lines 6777 6784) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6781-1(line 6781) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6781(line 6781) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceENTRY(lines 6777 6784) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceFINAL(lines 6777 6784) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6280 6287) no Hoare annotation was computed. [2020-07-22 02:10:15,328 INFO L268 CegarLoopResult]: For program point L6284-1(line 6284) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6280 6287) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L264 CegarLoopResult]: At program point L6284(line 6284) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,329 INFO L264 CegarLoopResult]: At program point ldv_usb_lock_device_for_reset_12ENTRY(lines 6280 6287) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_is_errEXIT(lines 6339 6344) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_is_errENTRY(lines 6339 6344) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_is_errFINAL(lines 6339 6344) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8ENTRY(lines 6243 6255) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8EXIT(lines 6243 6255) no Hoare annotation was computed. [2020-07-22 02:10:15,329 INFO L268 CegarLoopResult]: For program point L6251(line 6251) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point L6251-1(line 6251) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8FINAL(lines 6243 6255) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point L6249(line 6249) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point usbnet_suspendFINAL(lines 7016 7018) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L271 CegarLoopResult]: At program point usbnet_suspendENTRY(lines 7016 7018) the Hoare annotation is: true [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point usbnet_suspendEXIT(lines 7016 7018) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initEXIT(lines 5937 5944) no Hoare annotation was computed. [2020-07-22 02:10:15,330 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_initENTRY(lines 5937 5944) the Hoare annotation is: true [2020-07-22 02:10:15,330 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initFINAL(lines 5937 5944) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L271 CegarLoopResult]: At program point L5941(line 5941) the Hoare annotation is: true [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point L5941-1(line 5941) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point ldv_mallocENTRY(lines 5712 5728) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point L5724-1(line 5724) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point L5724(line 5724) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point L5719(lines 5719 5726) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 5712 5728) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 5712 5728) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point L6558(line 6558) no Hoare annotation was computed. [2020-07-22 02:10:15,331 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockFINAL(lines 6554 6564) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6557-1(lines 6557 6560) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6557(lines 6557 6560) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockENTRY(lines 6554 6564) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockEXIT(lines 6554 6564) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6430(lines 6430 6435) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6426(line 6426) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6429(line 6429) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6425-1(lines 6425 6428) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point L6425(lines 6425 6428) no Hoare annotation was computed. [2020-07-22 02:10:15,332 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeEXIT(lines 6421 6437) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeENTRY(lines 6421 6437) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeFINAL(lines 6421 6437) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point L6878(line 6878) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point L6879(lines 6879 6883) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevEXIT(lines 6870 6886) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point L6874(lines 6874 6877) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point L6875(line 6875) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevENTRY(lines 6870 6886) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevFINAL(lines 6870 6886) no Hoare annotation was computed. [2020-07-22 02:10:15,333 INFO L268 CegarLoopResult]: For program point L6874-1(lines 6874 6877) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L271 CegarLoopResult]: At program point L5963(line 5963) the Hoare annotation is: true [2020-07-22 02:10:15,334 INFO L268 CegarLoopResult]: For program point L5963-1(line 5963) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1EXIT(lines 5959 5967) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L271 CegarLoopResult]: At program point ldv_usb_driver_1ENTRY(lines 5959 5967) the Hoare annotation is: true [2020-07-22 02:10:15,334 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1FINAL(lines 5959 5967) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L268 CegarLoopResult]: For program point L5840-1(line 5840) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L268 CegarLoopResult]: For program point L5841(lines 5841 5844) no Hoare annotation was computed. [2020-07-22 02:10:15,334 INFO L264 CegarLoopResult]: At program point L5840(line 5840) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,334 INFO L264 CegarLoopResult]: At program point m5632_recoverENTRY(lines 5832 5849) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point m5632_recoverFINAL(lines 5832 5849) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L264 CegarLoopResult]: At program point L5846(line 5846) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= 2 ~ldv_mutex_udev~0) (<= 0 m5632_recover_~r~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point m5632_recoverEXIT(lines 5832 5849) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L264 CegarLoopResult]: At program point L5845(line 5845) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (and (= 2 ~ldv_mutex_udev~0) (<= 0 m5632_recover_~r~0)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point L5845-1(line 5845) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point ldv_ptr_errENTRY(lines 6351 6356) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point ldv_ptr_errFINAL(lines 6351 6356) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point ldv_ptr_errEXIT(lines 6351 6356) no Hoare annotation was computed. [2020-07-22 02:10:15,335 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceFINAL(lines 6973 6975) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L271 CegarLoopResult]: At program point __ldv_usb_unlock_deviceENTRY(lines 6973 6975) the Hoare annotation is: true [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceEXIT(lines 6973 6975) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point L6603(lines 6603 6612) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point L6604-1(line 6604) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point L6604(line 6604) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point L6605(lines 6605 6609) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockEXIT(lines 6599 6614) no Hoare annotation was computed. [2020-07-22 02:10:15,336 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockENTRY(lines 6599 6614) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockFINAL(lines 6599 6614) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point dummy_preresetENTRY(lines 5918 5923) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point dummy_preresetFINAL(lines 5918 5923) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point dummy_preresetEXIT(lines 5918 5923) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6929 6943) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point L6939-1(line 6939) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L264 CegarLoopResult]: At program point L6939(line 6939) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,337 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6929 6943) no Hoare annotation was computed. [2020-07-22 02:10:15,337 INFO L264 CegarLoopResult]: At program point ldv_usb_lock_device_for_reset_udevENTRY(lines 6929 6943) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,338 INFO L264 CegarLoopResult]: At program point L6934(line 6934) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point L6935(lines 6935 6941) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L264 CegarLoopResult]: At program point L6936(line 6936) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (= 1 ~ldv_mutex_udev~0) (not (= 0 ~ldv_retval_3~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1FINAL(lines 6980 6982) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1EXIT(lines 6980 6982) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L271 CegarLoopResult]: At program point ldv_reset_resume_1ENTRY(lines 6980 6982) the Hoare annotation is: true [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point L6366(lines 6366 6370) no Hoare annotation was computed. [2020-07-22 02:10:15,338 INFO L268 CegarLoopResult]: For program point L6362(lines 6362 6371) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point L6365-1(line 6365) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point L6366-2(lines 6362 6371) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point L6365(line 6365) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullENTRY(lines 6357 6374) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullEXIT(lines 6357 6374) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullFINAL(lines 6357 6374) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 7020 7022) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 7020 7022) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 7020 7022) no Hoare annotation was computed. [2020-07-22 02:10:15,339 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6ENTRY(lines 6227 6234) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6EXIT(lines 6227 6234) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6FINAL(lines 6227 6234) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point L6230(line 6230) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point L6230-1(line 6230) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_err_ptrEXIT(lines 6345 6350) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_err_ptrENTRY(lines 6345 6350) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_err_ptrFINAL(lines 6345 6350) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevEXIT(lines 6853 6869) no Hoare annotation was computed. [2020-07-22 02:10:15,340 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevENTRY(lines 6853 6869) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6862(lines 6862 6867) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6858(line 6858) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6861(line 6861) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6857-1(lines 6857 6860) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6857(lines 6857 6860) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevFINAL(lines 6853 6869) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9ENTRY(lines 6256 6263) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9EXIT(lines 6256 6263) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9FINAL(lines 6256 6263) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6259(line 6259) no Hoare annotation was computed. [2020-07-22 02:10:15,341 INFO L268 CegarLoopResult]: For program point L6259-1(line 6259) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point mutex_trylockENTRY(lines 6987 6989) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point mutex_trylockEXIT(lines 6987 6989) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point mutex_trylockFINAL(lines 6987 6989) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockENTRY(lines 6615 6625) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point L6618(lines 6618 6621) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point L6619(line 6619) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockEXIT(lines 6615 6625) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockFINAL(lines 6615 6625) no Hoare annotation was computed. [2020-07-22 02:10:15,342 INFO L268 CegarLoopResult]: For program point L6618-1(lines 6618 6621) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevFINAL(lines 6914 6920) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevEXIT(lines 6914 6920) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevENTRY(lines 6914 6920) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceFINAL(lines 6800 6806) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceENTRY(lines 6800 6806) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceEXIT(lines 6800 6806) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point L6267(line 6267) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10ENTRY(lines 6264 6271) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point L6267-1(line 6267) no Hoare annotation was computed. [2020-07-22 02:10:15,343 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10FINAL(lines 6264 6271) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10EXIT(lines 6264 6271) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L264 CegarLoopResult]: At program point ldv_usb_unlock_device_udevENTRY(lines 6944 6950) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (= 2 ~ldv_mutex_udev~0) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 2 |old(~ldv_mutex_udev~0)|)) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevFINAL(lines 6944 6950) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevEXIT(lines 6944 6950) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point mutex_unlockENTRY(lines 6990 6992) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point mutex_unlockEXIT(lines 6990 6992) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point mutex_unlockFINAL(lines 6990 6992) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point L6686(line 6686) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point L6689(line 6689) no Hoare annotation was computed. [2020-07-22 02:10:15,344 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceENTRY(lines 6681 6697) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point L6685-1(lines 6685 6688) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point L6685(lines 6685 6688) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceEXIT(lines 6681 6697) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceFINAL(lines 6681 6697) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point L6690(lines 6690 6695) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point ldv_errorFINAL(lines 6318 6324) no Hoare annotation was computed. [2020-07-22 02:10:15,345 INFO L271 CegarLoopResult]: At program point ldv_errorENTRY(lines 6318 6324) the Hoare annotation is: true [2020-07-22 02:10:15,345 INFO L268 CegarLoopResult]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6322) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point ldv_errorEXIT(lines 6318 6324) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevENTRY(lines 6887 6902) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point L6891(lines 6891 6900) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point L6892-1(line 6892) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point L6892(line 6892) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point L6893(lines 6893 6897) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevFINAL(lines 6887 6902) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevEXIT(lines 6887 6902) no Hoare annotation was computed. [2020-07-22 02:10:15,346 INFO L271 CegarLoopResult]: At program point usb_reset_deviceENTRY(lines 7001 7003) the Hoare annotation is: true [2020-07-22 02:10:15,346 INFO L268 CegarLoopResult]: For program point usb_reset_deviceFINAL(lines 7001 7003) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point usb_reset_deviceEXIT(lines 7001 7003) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongENTRY(lines 5773 5780) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongEXIT(lines 5773 5780) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongFINAL(lines 5773 5780) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L271 CegarLoopResult]: At program point always_connectedENTRY(lines 5826 5831) the Hoare annotation is: true [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point always_connectedFINAL(lines 5826 5831) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point always_connectedEXIT(lines 5826 5831) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15FINAL(lines 6310 6317) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15EXIT(lines 6310 6317) no Hoare annotation was computed. [2020-07-22 02:10:15,347 INFO L268 CegarLoopResult]: For program point L6313-1(line 6313) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L271 CegarLoopResult]: At program point ldv_usb_deregister_15ENTRY(lines 6310 6317) the Hoare annotation is: true [2020-07-22 02:10:15,348 INFO L271 CegarLoopResult]: At program point L6313(line 6313) the Hoare annotation is: true [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point L6762(lines 6762 6765) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point L6763(line 6763) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceEXIT(lines 6759 6769) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point L6762-1(lines 6762 6765) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceENTRY(lines 6759 6769) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceFINAL(lines 6759 6769) no Hoare annotation was computed. [2020-07-22 02:10:15,348 INFO L271 CegarLoopResult]: At program point L6302(line 6302) the Hoare annotation is: true [2020-07-22 02:10:15,349 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14FINAL(lines 6296 6309) no Hoare annotation was computed. [2020-07-22 02:10:15,349 INFO L268 CegarLoopResult]: For program point L6306-1(line 6306) no Hoare annotation was computed. [2020-07-22 02:10:15,349 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14EXIT(lines 6296 6309) no Hoare annotation was computed. [2020-07-22 02:10:15,349 INFO L268 CegarLoopResult]: For program point L6302-1(line 6302) no Hoare annotation was computed. [2020-07-22 02:10:15,349 INFO L271 CegarLoopResult]: At program point ldv_usb_register_driver_14ENTRY(lines 6296 6309) the Hoare annotation is: true [2020-07-22 02:10:15,349 INFO L271 CegarLoopResult]: At program point L6306(line 6306) the Hoare annotation is: true [2020-07-22 02:10:15,349 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,349 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-22 02:10:15,349 INFO L271 CegarLoopResult]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockENTRY(lines 6641 6655) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6651(line 6651) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6646(line 6646) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6647(lines 6647 6653) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6648-1(line 6648) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockFINAL(lines 6641 6655) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point L6648(line 6648) no Hoare annotation was computed. [2020-07-22 02:10:15,350 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockEXIT(lines 6641 6655) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6646-1(line 6646) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6834(lines 6834 6839) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevFINAL(lines 6825 6841) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6830(line 6830) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6833(line 6833) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6829-1(lines 6829 6832) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point L6829(lines 6829 6832) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevEXIT(lines 6825 6841) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevENTRY(lines 6825 6841) no Hoare annotation was computed. [2020-07-22 02:10:15,351 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeEXIT(lines 6489 6496) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeENTRY(lines 6489 6496) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeFINAL(lines 6489 6496) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point L6493-1(line 6493) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point L6493(line 6493) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point L5710(line 5710) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 5709 5711) the Hoare annotation is: true [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point L5710-2(lines 5709 5711) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5709 5711) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point ldv_init_zallocFINAL(lines 5746 5756) no Hoare annotation was computed. [2020-07-22 02:10:15,352 INFO L268 CegarLoopResult]: For program point ldv_init_zallocEXIT(lines 5746 5756) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L271 CegarLoopResult]: At program point L5751(line 5751) the Hoare annotation is: true [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L5751-1(line 5751) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L271 CegarLoopResult]: At program point ldv_init_zallocENTRY(lines 5746 5756) the Hoare annotation is: true [2020-07-22 02:10:15,353 INFO L271 CegarLoopResult]: At program point L5753(line 5753) the Hoare annotation is: true [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L5753-1(line 5753) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L6590(line 6590) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L6591(lines 6591 6595) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L6586(lines 6586 6589) no Hoare annotation was computed. [2020-07-22 02:10:15,353 INFO L268 CegarLoopResult]: For program point L6587(line 6587) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6586-1(lines 6586 6589) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockFINAL(lines 6582 6598) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockENTRY(lines 6582 6598) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockEXIT(lines 6582 6598) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6507-1(line 6507) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6507(line 6507) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeENTRY(lines 6497 6511) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeFINAL(lines 6497 6511) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6502(line 6502) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6503(lines 6503 6509) no Hoare annotation was computed. [2020-07-22 02:10:15,354 INFO L268 CegarLoopResult]: For program point L6504-1(line 6504) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point L6504(line 6504) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeEXIT(lines 6497 6511) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point L6502-1(line 6502) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeFINAL(lines 6438 6454) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeENTRY(lines 6438 6454) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeEXIT(lines 6438 6454) no Hoare annotation was computed. [2020-07-22 02:10:15,355 INFO L268 CegarLoopResult]: For program point L6446(line 6446) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6447(lines 6447 6451) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6442(lines 6442 6445) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6443(line 6443) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6442-1(lines 6442 6445) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockFINAL(lines 6656 6662) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockENTRY(lines 6656 6662) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockEXIT(lines 6656 6662) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6966(lines 6951 6972) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6962(lines 6953 6971) no Hoare annotation was computed. [2020-07-22 02:10:15,356 INFO L268 CegarLoopResult]: For program point L6958(lines 6953 6971) no Hoare annotation was computed. [2020-07-22 02:10:15,357 INFO L268 CegarLoopResult]: For program point L6954(lines 6953 6971) no Hoare annotation was computed. [2020-07-22 02:10:15,357 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 6951 6972) no Hoare annotation was computed. [2020-07-22 02:10:15,357 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 6951 6972) the Hoare annotation is: true [2020-07-22 02:10:15,357 INFO L264 CegarLoopResult]: At program point L6967(line 6967) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 ~ldv_mutex_udev~0))) [2020-07-22 02:10:15,357 INFO L264 CegarLoopResult]: At program point L6963(line 6963) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 ~ldv_mutex_udev~0))) [2020-07-22 02:10:15,357 INFO L264 CegarLoopResult]: At program point L6959(line 6959) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 ~ldv_mutex_udev~0))) [2020-07-22 02:10:15,357 INFO L264 CegarLoopResult]: At program point L6955(line 6955) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_mutex_of_device~0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 1 ~ldv_mutex_udev~0))) [2020-07-22 02:10:15,357 INFO L268 CegarLoopResult]: For program point L5739(line 5739) no Hoare annotation was computed. [2020-07-22 02:10:15,357 INFO L268 CegarLoopResult]: For program point L5739-1(line 5739) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point L5741(line 5741) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point L5741-1(line 5741) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point ldv_zallocEXIT(lines 5729 5745) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point L5736(lines 5736 5743) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point ldv_zallocENTRY(lines 5729 5745) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point ldv_zallocFINAL(lines 5729 5745) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point mutex_lockENTRY(lines 6983 6985) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point mutex_lockFINAL(lines 6983 6985) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point mutex_lockEXIT(lines 6983 6985) no Hoare annotation was computed. [2020-07-22 02:10:15,358 INFO L268 CegarLoopResult]: For program point L6637-1(line 6637) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point L6637(line 6637) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockEXIT(lines 6633 6640) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockFINAL(lines 6633 6640) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockENTRY(lines 6633 6640) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceEXIT(lines 6726 6742) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceENTRY(lines 6726 6742) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point L6734(line 6734) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point L6735(lines 6735 6739) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point L6730(lines 6730 6733) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point L6731(line 6731) no Hoare annotation was computed. [2020-07-22 02:10:15,359 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceFINAL(lines 6726 6742) no Hoare annotation was computed. [2020-07-22 02:10:15,360 INFO L268 CegarLoopResult]: For program point L6730-1(lines 6730 6733) no Hoare annotation was computed. [2020-07-22 02:10:15,360 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,360 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~ldv_mutex_mutex_of_device~0) (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~ldv_state_variable_6~0 0) (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_i_mutex_of_inode~0) (<= ~ldv_state_variable_0~0 1)) [2020-07-22 02:10:15,360 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-22 02:10:15,360 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-22 02:10:15,360 INFO L268 CegarLoopResult]: For program point ldv_memsetFINAL(lines 5757 5764) no Hoare annotation was computed. [2020-07-22 02:10:15,360 INFO L264 CegarLoopResult]: At program point L5761(line 5761) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_udev~0)) (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 ~ldv_retval_3~0)) (not (<= ~ldv_state_variable_6~0 0)) (not (<= ~ldv_state_variable_0~0 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (= |ldv_memset_#in~n| ldv_memset_~n) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-22 02:10:15,360 INFO L268 CegarLoopResult]: For program point L5761-1(line 5761) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L271 CegarLoopResult]: At program point ldv_memsetENTRY(lines 5757 5764) the Hoare annotation is: true [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point ldv_memsetEXIT(lines 5757 5764) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeFINAL(lines 6471 6481) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point L6474(lines 6474 6477) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point L6475(line 6475) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeEXIT(lines 6471 6481) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeENTRY(lines 6471 6481) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point L6474-1(lines 6474 6477) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point L6528(line 6528) no Hoare annotation was computed. [2020-07-22 02:10:15,361 INFO L268 CegarLoopResult]: For program point L6529(lines 6529 6534) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6524-1(lines 6524 6527) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6524(lines 6524 6527) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6525(line 6525) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockFINAL(lines 6520 6536) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockEXIT(lines 6520 6536) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockENTRY(lines 6520 6536) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6702(line 6702) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceENTRY(lines 6698 6708) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6701-1(lines 6701 6704) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point L6701(lines 6701 6704) no Hoare annotation was computed. [2020-07-22 02:10:15,362 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceFINAL(lines 6698 6708) no Hoare annotation was computed. [2020-07-22 02:10:15,363 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceEXIT(lines 6698 6708) no Hoare annotation was computed. [2020-07-22 02:10:15,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 02:10:15 BoogieIcfgContainer [2020-07-22 02:10:15,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-22 02:10:15,385 INFO L168 Benchmark]: Toolchain (without parser) took 112298.59 ms. Allocated memory was 137.4 MB in the beginning and 625.5 MB in the end (delta: 488.1 MB). Free memory was 92.4 MB in the beginning and 386.6 MB in the end (delta: -294.3 MB). Peak memory consumption was 466.2 MB. Max. memory is 7.1 GB. [2020-07-22 02:10:15,385 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-22 02:10:15,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1770.06 ms. Allocated memory was 137.4 MB in the beginning and 229.1 MB in the end (delta: 91.8 MB). Free memory was 91.9 MB in the beginning and 117.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2020-07-22 02:10:15,386 INFO L168 Benchmark]: Boogie Preprocessor took 233.07 ms. Allocated memory is still 229.1 MB. Free memory was 117.7 MB in the beginning and 105.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2020-07-22 02:10:15,387 INFO L168 Benchmark]: RCFGBuilder took 2624.68 ms. Allocated memory was 229.1 MB in the beginning and 264.2 MB in the end (delta: 35.1 MB). Free memory was 105.7 MB in the beginning and 121.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. [2020-07-22 02:10:15,387 INFO L168 Benchmark]: TraceAbstraction took 107665.49 ms. Allocated memory was 264.2 MB in the beginning and 625.5 MB in the end (delta: 361.2 MB). Free memory was 119.5 MB in the beginning and 386.6 MB in the end (delta: -267.2 MB). Peak memory consumption was 366.5 MB. Max. memory is 7.1 GB. [2020-07-22 02:10:15,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1770.06 ms. Allocated memory was 137.4 MB in the beginning and 229.1 MB in the end (delta: 91.8 MB). Free memory was 91.9 MB in the beginning and 117.7 MB in the end (delta: -25.8 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 233.07 ms. Allocated memory is still 229.1 MB. Free memory was 117.7 MB in the beginning and 105.7 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2624.68 ms. Allocated memory was 229.1 MB in the beginning and 264.2 MB in the end (delta: 35.1 MB). Free memory was 105.7 MB in the beginning and 121.5 MB in the end (delta: -15.9 MB). Peak memory consumption was 64.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 107665.49 ms. Allocated memory was 264.2 MB in the beginning and 625.5 MB in the end (delta: 361.2 MB). Free memory was 119.5 MB in the beginning and 386.6 MB in the end (delta: -267.2 MB). Peak memory consumption was 366.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6322]: 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: 5991]: Loop Invariant Derived loop invariant: ((((((!(1 == ldv_mutex_lock) || 1 == ldv_mutex_udev) || !(\old(ldv_state_variable_6) <= 0)) || !(\old(ldv_state_variable_0) <= 1)) || !(1 == ldv_mutex_i_mutex_of_inode)) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device) - InvariantResult [Line: 5991]: Loop Invariant Derived loop invariant: ((((((!(1 == ldv_mutex_lock) || (1 == ldv_mutex_udev && 0 == ldv_retval_3)) || !(\old(ldv_state_variable_6) <= 0)) || !(\old(ldv_state_variable_0) <= 1)) || !(1 == ldv_mutex_i_mutex_of_inode)) || !(0 == \old(ldv_retval_3))) || !(1 == \old(ldv_mutex_udev))) || !(1 == ldv_mutex_mutex_of_device) - InvariantResult [Line: 5781]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 96 procedures, 625 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 104.2s, OverallIterations: 15, TraceHistogramMax: 7, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5036 SDtfs, 1986 SDslu, 11711 SDs, 0 SdLazy, 259 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3112 GetRequests, 3034 SyntacticMatches, 9 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 21.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1095occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 163 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 94 LocationsWithAnnotation, 1573 PreInvPairs, 1635 NumberOfFragments, 1519 HoareAnnotationTreeSize, 1573 FomulaSimplifications, 1054 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 94 FomulaSimplificationsInter, 4172 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 70.6s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 2610 NumberOfCodeBlocks, 2343 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 3099 ConstructedInterpolants, 5 QuantifiedInterpolants, 911097 SizeOfPredicates, 20 NumberOfNonLiveVariables, 34640 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 5151/5171 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...