/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 DAGSIZE --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 [2020-07-21 00:10:25,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 00:10:25,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 00:10:25,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 00:10:25,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 00:10:25,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 00:10:25,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 00:10:25,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 00:10:25,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 00:10:25,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 00:10:25,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 00:10:25,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 00:10:25,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 00:10:25,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 00:10:25,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 00:10:25,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 00:10:25,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 00:10:25,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 00:10:25,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 00:10:25,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 00:10:25,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 00:10:25,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 00:10:25,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 00:10:25,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 00:10:25,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 00:10:25,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 00:10:25,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 00:10:25,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 00:10:25,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 00:10:25,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-21 00:10:25,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 00:10:25,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 00:10:25,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 00:10:25,593 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 [2020-07-21 00:10:25,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 00:10:25,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 00:10:25,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 00:10:25,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 00:10:25,609 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 00:10:25,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 00:10:25,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 00:10:25,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 00:10:25,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 00:10:25,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 00:10:25,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 00:10:25,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 00:10:25,611 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 00:10:25,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 00:10:25,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 00:10:25,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 00:10:25,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 00:10:25,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 00:10:25,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 00:10:25,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 00:10:25,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 00:10:25,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 00:10:25,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 00:10:25,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:25,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 00:10:25,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 00:10:25,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-21 00:10:25,614 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 -> DAGSIZE 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 [2020-07-21 00:10:25,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 00:10:25,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 00:10:25,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 00:10:25,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 00:10:25,923 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 00:10:25,924 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-21 00:10:25,986 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9282651/13ccd0401c284585bac1c1aa9e5fac9d/FLAGd8857b5f8 [2020-07-21 00:10:26,704 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 00:10:26,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-21 00:10:26,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9282651/13ccd0401c284585bac1c1aa9e5fac9d/FLAGd8857b5f8 [2020-07-21 00:10:26,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab9282651/13ccd0401c284585bac1c1aa9e5fac9d [2020-07-21 00:10:26,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 00:10:26,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 00:10:26,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 00:10:26,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 00:10:26,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 00:10:26,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:10:26" (1/1) ... [2020-07-21 00:10:26,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5034d5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:26, skipping insertion in model container [2020-07-21 00:10:26,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:10:26" (1/1) ... [2020-07-21 00:10:26,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 00:10:26,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 00:10:28,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 00:10:28,471 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 00:10:28,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 00:10:28,875 INFO L208 MainTranslator]: Completed translation [2020-07-21 00:10:28,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28 WrapperNode [2020-07-21 00:10:28,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 00:10:28,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 00:10:28,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 00:10:28,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 00:10:28,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:28,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:28,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:28,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:29,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:29,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:29,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (1/1) ... [2020-07-21 00:10:29,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 00:10:29,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 00:10:29,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 00:10:29,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 00:10:29,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (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 [2020-07-21 00:10:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 00:10:29,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 00:10:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 00:10:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-21 00:10:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-21 00:10:29,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-07-21 00:10:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-07-21 00:10:29,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-21 00:10:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-21 00:10:29,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-21 00:10:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-07-21 00:10:29,185 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-07-21 00:10:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-07-21 00:10:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-07-21 00:10:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-07-21 00:10:29,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-07-21 00:10:29,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-07-21 00:10:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 00:10:29,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-07-21 00:10:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-07-21 00:10:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-07-21 00:10:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-07-21 00:10:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-07-21 00:10:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-07-21 00:10:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-21 00:10:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-07-21 00:10:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-07-21 00:10:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-07-21 00:10:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-07-21 00:10:29,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-07-21 00:10:29,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-21 00:10:29,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-21 00:10:29,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-21 00:10:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-21 00:10:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-21 00:10:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-21 00:10:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-21 00:10:29,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-21 00:10:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-21 00:10:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-21 00:10:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-21 00:10:29,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-07-21 00:10:29,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-07-21 00:10:29,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-07-21 00:10:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-07-21 00:10:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-07-21 00:10:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-07-21 00:10:29,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-21 00:10:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-21 00:10:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-07-21 00:10:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-07-21 00:10:29,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-21 00:10:29,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-21 00:10:29,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-07-21 00:10:29,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-07-21 00:10:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-07-21 00:10:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-07-21 00:10:29,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-07-21 00:10:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-07-21 00:10:29,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-21 00:10:29,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-07-21 00:10:29,206 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-07-21 00:10:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-21 00:10:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-21 00:10:29,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-21 00:10:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 00:10:29,207 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-07-21 00:10:29,208 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 00:10:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 00:10:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 00:10:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-21 00:10:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 00:10:29,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-07-21 00:10:29,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-07-21 00:10:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-21 00:10:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-21 00:10:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-21 00:10:29,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-21 00:10:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-07-21 00:10:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-07-21 00:10:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-21 00:10:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-07-21 00:10:29,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-07-21 00:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-07-21 00:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-21 00:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-21 00:10:29,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-07-21 00:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-07-21 00:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-07-21 00:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-07-21 00:10:29,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-07-21 00:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-07-21 00:10:29,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-07-21 00:10:29,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-07-21 00:10:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-07-21 00:10:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-07-21 00:10:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-07-21 00:10:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-07-21 00:10:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-07-21 00:10:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-07-21 00:10:29,221 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-07-21 00:10:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-07-21 00:10:29,222 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-07-21 00:10:29,229 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-07-21 00:10:29,230 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-07-21 00:10:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-07-21 00:10:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-07-21 00:10:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-21 00:10:29,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-07-21 00:10:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-21 00:10:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 00:10:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 00:10:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 00:10:29,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-21 00:10:29,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-21 00:10:29,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-21 00:10:29,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-07-21 00:10:29,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-21 00:10:29,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-07-21 00:10:29,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-07-21 00:10:29,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 00:10:29,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 00:10:29,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 00:10:29,851 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-21 00:10:31,959 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 00:10:31,960 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-21 00:10:31,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:10:31 BoogieIcfgContainer [2020-07-21 00:10:31,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 00:10:31,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 00:10:31,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 00:10:31,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 00:10:31,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:10:26" (1/3) ... [2020-07-21 00:10:31,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e22cf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:10:31, skipping insertion in model container [2020-07-21 00:10:31,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:10:28" (2/3) ... [2020-07-21 00:10:31,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e22cf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:10:31, skipping insertion in model container [2020-07-21 00:10:31,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:10:31" (3/3) ... [2020-07-21 00:10:31,985 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-21 00:10:31,996 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 00:10:32,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 00:10:32,022 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 00:10:32,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 00:10:32,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 00:10:32,058 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 00:10:32,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 00:10:32,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 00:10:32,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 00:10:32,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 00:10:32,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 00:10:32,102 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-07-21 00:10:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 00:10:32,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:32,129 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] [2020-07-21 00:10:32,129 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:32,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:32,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-07-21 00:10:32,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:32,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333333099] [2020-07-21 00:10:32,149 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 [2020-07-21 00:10:32,870 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-21 00:10:32,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:32,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 00:10:32,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-21 00:10:32,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:32,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333333099] [2020-07-21 00:10:32,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:32,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:32,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573044802] [2020-07-21 00:10:32,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:32,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:32,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:32,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:32,995 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 3 states. [2020-07-21 00:10:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:33,203 INFO L93 Difference]: Finished difference Result 705 states and 947 transitions. [2020-07-21 00:10:33,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:33,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 00:10:33,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:33,234 INFO L225 Difference]: With dead ends: 705 [2020-07-21 00:10:33,234 INFO L226 Difference]: Without dead ends: 408 [2020-07-21 00:10:33,247 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 [2020-07-21 00:10:33,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-21 00:10:33,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 384. [2020-07-21 00:10:33,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-21 00:10:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 491 transitions. [2020-07-21 00:10:33,404 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 491 transitions. Word has length 138 [2020-07-21 00:10:33,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:33,406 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 491 transitions. [2020-07-21 00:10:33,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 491 transitions. [2020-07-21 00:10:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-21 00:10:33,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:33,418 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] [2020-07-21 00:10:33,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:33,619 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:33,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:33,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1957018819, now seen corresponding path program 1 times [2020-07-21 00:10:33,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:33,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [909894669] [2020-07-21 00:10:33,624 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 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 [2020-07-21 00:10:35,173 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 00:10:35,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:35,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 00:10:35,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-21 00:10:35,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:35,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [909894669] [2020-07-21 00:10:35,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:35,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:35,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886307365] [2020-07-21 00:10:35,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:35,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:35,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:35,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:35,248 INFO L87 Difference]: Start difference. First operand 384 states and 491 transitions. Second operand 3 states. [2020-07-21 00:10:35,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:35,335 INFO L93 Difference]: Finished difference Result 663 states and 866 transitions. [2020-07-21 00:10:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:35,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-21 00:10:35,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:35,342 INFO L225 Difference]: With dead ends: 663 [2020-07-21 00:10:35,342 INFO L226 Difference]: Without dead ends: 639 [2020-07-21 00:10:35,344 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 [2020-07-21 00:10:35,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-07-21 00:10:35,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 635. [2020-07-21 00:10:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-07-21 00:10:35,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 835 transitions. [2020-07-21 00:10:35,385 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 835 transitions. Word has length 141 [2020-07-21 00:10:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:35,386 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 835 transitions. [2020-07-21 00:10:35,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 835 transitions. [2020-07-21 00:10:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 00:10:35,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:35,388 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] [2020-07-21 00:10:35,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:35,602 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:35,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:35,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2115073202, now seen corresponding path program 1 times [2020-07-21 00:10:35,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:35,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070367333] [2020-07-21 00:10:35,605 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 [2020-07-21 00:10:37,208 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 00:10:37,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:37,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 00:10:37,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-21 00:10:37,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:37,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070367333] [2020-07-21 00:10:37,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:37,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:37,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402066751] [2020-07-21 00:10:37,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:37,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:37,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:37,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:37,276 INFO L87 Difference]: Start difference. First operand 635 states and 835 transitions. Second operand 3 states. [2020-07-21 00:10:37,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:37,348 INFO L93 Difference]: Finished difference Result 657 states and 861 transitions. [2020-07-21 00:10:37,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:37,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-21 00:10:37,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:37,353 INFO L225 Difference]: With dead ends: 657 [2020-07-21 00:10:37,354 INFO L226 Difference]: Without dead ends: 646 [2020-07-21 00:10:37,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-21 00:10:37,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 635. [2020-07-21 00:10:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-07-21 00:10:37,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 834 transitions. [2020-07-21 00:10:37,385 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 834 transitions. Word has length 167 [2020-07-21 00:10:37,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:37,386 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 834 transitions. [2020-07-21 00:10:37,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:37,386 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 834 transitions. [2020-07-21 00:10:37,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-21 00:10:37,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:37,389 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] [2020-07-21 00:10:37,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:37,603 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:37,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:37,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2057814900, now seen corresponding path program 1 times [2020-07-21 00:10:37,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:37,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322323797] [2020-07-21 00:10:37,604 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 [2020-07-21 00:10:40,186 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:40,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:40,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 00:10:40,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-21 00:10:40,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:40,321 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322323797] [2020-07-21 00:10:40,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:40,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:40,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366194334] [2020-07-21 00:10:40,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:40,323 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:40,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:40,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:40,324 INFO L87 Difference]: Start difference. First operand 635 states and 834 transitions. Second operand 3 states. [2020-07-21 00:10:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:40,342 INFO L93 Difference]: Finished difference Result 637 states and 835 transitions. [2020-07-21 00:10:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:40,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-21 00:10:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:40,347 INFO L225 Difference]: With dead ends: 637 [2020-07-21 00:10:40,347 INFO L226 Difference]: Without dead ends: 634 [2020-07-21 00:10:40,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:40,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-07-21 00:10:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-07-21 00:10:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-07-21 00:10:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 832 transitions. [2020-07-21 00:10:40,374 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 832 transitions. Word has length 167 [2020-07-21 00:10:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:40,374 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 832 transitions. [2020-07-21 00:10:40,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 832 transitions. [2020-07-21 00:10:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-21 00:10:40,377 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:40,377 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] [2020-07-21 00:10:40,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:40,593 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:40,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:40,594 INFO L82 PathProgramCache]: Analyzing trace with hash 632050949, now seen corresponding path program 1 times [2020-07-21 00:10:40,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:40,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423763219] [2020-07-21 00:10:40,595 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 [2020-07-21 00:10:43,120 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:43,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:43,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 2290 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 00:10:43,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-21 00:10:43,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:43,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423763219] [2020-07-21 00:10:43,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:43,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:43,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801718262] [2020-07-21 00:10:43,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:43,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:43,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:43,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:43,189 INFO L87 Difference]: Start difference. First operand 634 states and 832 transitions. Second operand 3 states. [2020-07-21 00:10:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:43,289 INFO L93 Difference]: Finished difference Result 636 states and 833 transitions. [2020-07-21 00:10:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:43,289 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-07-21 00:10:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:43,296 INFO L225 Difference]: With dead ends: 636 [2020-07-21 00:10:43,297 INFO L226 Difference]: Without dead ends: 633 [2020-07-21 00:10:43,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:43,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-21 00:10:43,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2020-07-21 00:10:43,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-07-21 00:10:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 830 transitions. [2020-07-21 00:10:43,340 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 830 transitions. Word has length 168 [2020-07-21 00:10:43,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:43,340 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 830 transitions. [2020-07-21 00:10:43,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 830 transitions. [2020-07-21 00:10:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-21 00:10:43,343 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:43,343 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, 1] [2020-07-21 00:10:43,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:43,557 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:43,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1881448785, now seen corresponding path program 1 times [2020-07-21 00:10:43,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:43,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069734741] [2020-07-21 00:10:43,559 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 [2020-07-21 00:10:46,023 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:46,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:46,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2294 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 00:10:46,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-21 00:10:46,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:46,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069734741] [2020-07-21 00:10:46,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:46,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:46,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301314325] [2020-07-21 00:10:46,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:46,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:46,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:46,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:46,091 INFO L87 Difference]: Start difference. First operand 633 states and 830 transitions. Second operand 3 states. [2020-07-21 00:10:46,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:46,119 INFO L93 Difference]: Finished difference Result 635 states and 831 transitions. [2020-07-21 00:10:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:46,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-07-21 00:10:46,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:46,124 INFO L225 Difference]: With dead ends: 635 [2020-07-21 00:10:46,124 INFO L226 Difference]: Without dead ends: 632 [2020-07-21 00:10:46,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:46,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-07-21 00:10:46,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-07-21 00:10:46,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-07-21 00:10:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 828 transitions. [2020-07-21 00:10:46,156 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 828 transitions. Word has length 169 [2020-07-21 00:10:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:46,157 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 828 transitions. [2020-07-21 00:10:46,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 828 transitions. [2020-07-21 00:10:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-21 00:10:46,160 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:46,160 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, 1, 1] [2020-07-21 00:10:46,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:46,372 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:46,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1804442952, now seen corresponding path program 1 times [2020-07-21 00:10:46,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:46,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [448654902] [2020-07-21 00:10:46,374 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 [2020-07-21 00:10:48,972 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:48,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:48,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 00:10:49,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-21 00:10:49,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:49,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [448654902] [2020-07-21 00:10:49,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:49,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:10:49,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407283698] [2020-07-21 00:10:49,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:10:49,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:49,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:10:49,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:49,044 INFO L87 Difference]: Start difference. First operand 632 states and 828 transitions. Second operand 3 states. [2020-07-21 00:10:49,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:49,106 INFO L93 Difference]: Finished difference Result 1808 states and 2400 transitions. [2020-07-21 00:10:49,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:10:49,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-07-21 00:10:49,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:49,116 INFO L225 Difference]: With dead ends: 1808 [2020-07-21 00:10:49,116 INFO L226 Difference]: Without dead ends: 1190 [2020-07-21 00:10:49,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:10:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-07-21 00:10:49,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1079. [2020-07-21 00:10:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2020-07-21 00:10:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1425 transitions. [2020-07-21 00:10:49,175 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1425 transitions. Word has length 170 [2020-07-21 00:10:49,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:49,176 INFO L479 AbstractCegarLoop]: Abstraction has 1079 states and 1425 transitions. [2020-07-21 00:10:49,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:10:49,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1425 transitions. [2020-07-21 00:10:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-21 00:10:49,181 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:49,181 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 00:10:49,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:49,395 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:49,396 INFO L82 PathProgramCache]: Analyzing trace with hash 945467811, now seen corresponding path program 1 times [2020-07-21 00:10:49,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:49,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1770355481] [2020-07-21 00:10:49,398 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 [2020-07-21 00:10:52,045 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:52,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:52,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 00:10:52,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:52,105 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 00:10:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-07-21 00:10:52,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:10:52,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1770355481] [2020-07-21 00:10:52,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:10:52,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 00:10:52,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786027941] [2020-07-21 00:10:52,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 00:10:52,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:52,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 00:10:52,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 00:10:52,224 INFO L87 Difference]: Start difference. First operand 1079 states and 1425 transitions. Second operand 6 states. [2020-07-21 00:10:52,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:52,360 INFO L93 Difference]: Finished difference Result 2133 states and 2819 transitions. [2020-07-21 00:10:52,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 00:10:52,361 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 211 [2020-07-21 00:10:52,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:52,368 INFO L225 Difference]: With dead ends: 2133 [2020-07-21 00:10:52,368 INFO L226 Difference]: Without dead ends: 1080 [2020-07-21 00:10:52,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 00:10:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2020-07-21 00:10:52,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1080. [2020-07-21 00:10:52,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-07-21 00:10:52,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1426 transitions. [2020-07-21 00:10:52,450 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1426 transitions. Word has length 211 [2020-07-21 00:10:52,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:52,451 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1426 transitions. [2020-07-21 00:10:52,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 00:10:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1426 transitions. [2020-07-21 00:10:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 00:10:52,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:52,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 00:10:52,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:52,673 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:52,673 INFO L82 PathProgramCache]: Analyzing trace with hash -33671545, now seen corresponding path program 1 times [2020-07-21 00:10:52,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:52,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507597957] [2020-07-21 00:10:52,674 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 [2020-07-21 00:10:55,355 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:55,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:55,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 2459 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 00:10:55,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:55,422 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 00:10:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-07-21 00:10:55,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 00:10:55,770 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 00:10:55,814 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 00:10:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2020-07-21 00:10:56,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507597957] [2020-07-21 00:10:56,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 00:10:56,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-07-21 00:10:56,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399616683] [2020-07-21 00:10:56,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-21 00:10:56,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:10:56,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-21 00:10:56,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-21 00:10:56,215 INFO L87 Difference]: Start difference. First operand 1080 states and 1426 transitions. Second operand 11 states. [2020-07-21 00:10:56,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:10:56,382 INFO L93 Difference]: Finished difference Result 2134 states and 2820 transitions. [2020-07-21 00:10:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 00:10:56,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-07-21 00:10:56,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:10:56,395 INFO L225 Difference]: With dead ends: 2134 [2020-07-21 00:10:56,395 INFO L226 Difference]: Without dead ends: 1081 [2020-07-21 00:10:56,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 411 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-21 00:10:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2020-07-21 00:10:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081. [2020-07-21 00:10:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2020-07-21 00:10:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1427 transitions. [2020-07-21 00:10:56,494 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1427 transitions. Word has length 212 [2020-07-21 00:10:56,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:10:56,494 INFO L479 AbstractCegarLoop]: Abstraction has 1081 states and 1427 transitions. [2020-07-21 00:10:56,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-21 00:10:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1427 transitions. [2020-07-21 00:10:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-21 00:10:56,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:10:56,499 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2020-07-21 00:10:56,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:10:56,713 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:10:56,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:10:56,714 INFO L82 PathProgramCache]: Analyzing trace with hash -322220509, now seen corresponding path program 2 times [2020-07-21 00:10:56,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:10:56,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24670166] [2020-07-21 00:10:56,714 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 [2020-07-21 00:10:59,543 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:10:59,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:10:59,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 00:10:59,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:10:59,617 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 00:10:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-07-21 00:10:59,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 00:10:59,918 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 00:10:59,953 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 00:11:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2020-07-21 00:11:00,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24670166] [2020-07-21 00:11:00,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 00:11:00,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-21 00:11:00,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224443005] [2020-07-21 00:11:00,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-21 00:11:00,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:11:00,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-21 00:11:00,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-21 00:11:00,237 INFO L87 Difference]: Start difference. First operand 1081 states and 1427 transitions. Second operand 13 states. [2020-07-21 00:11:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:11:00,354 INFO L93 Difference]: Finished difference Result 2135 states and 2821 transitions. [2020-07-21 00:11:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 00:11:00,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 213 [2020-07-21 00:11:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:11:00,361 INFO L225 Difference]: With dead ends: 2135 [2020-07-21 00:11:00,362 INFO L226 Difference]: Without dead ends: 1082 [2020-07-21 00:11:00,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 411 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-07-21 00:11:00,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2020-07-21 00:11:00,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1082. [2020-07-21 00:11:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-07-21 00:11:00,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1428 transitions. [2020-07-21 00:11:00,420 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1428 transitions. Word has length 213 [2020-07-21 00:11:00,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:11:00,420 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1428 transitions. [2020-07-21 00:11:00,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-21 00:11:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1428 transitions. [2020-07-21 00:11:00,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-07-21 00:11:00,424 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:11:00,425 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2020-07-21 00:11:00,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:11:00,626 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:11:00,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:11:00,626 INFO L82 PathProgramCache]: Analyzing trace with hash -677303801, now seen corresponding path program 3 times [2020-07-21 00:11:00,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:11:00,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651672860] [2020-07-21 00:11:00,626 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 [2020-07-21 00:11:04,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:11:04,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:11:04,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 2472 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 00:11:04,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:11:04,148 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 00:11:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-07-21 00:11:04,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 00:11:04,446 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 00:11:04,489 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 00:11:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2020-07-21 00:11:04,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651672860] [2020-07-21 00:11:04,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 00:11:04,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-07-21 00:11:04,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017220840] [2020-07-21 00:11:04,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-21 00:11:04,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:11:04,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-21 00:11:04,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-21 00:11:04,725 INFO L87 Difference]: Start difference. First operand 1082 states and 1428 transitions. Second operand 15 states. [2020-07-21 00:11:04,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:11:04,922 INFO L93 Difference]: Finished difference Result 2136 states and 2822 transitions. [2020-07-21 00:11:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 00:11:04,922 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 214 [2020-07-21 00:11:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:11:04,929 INFO L225 Difference]: With dead ends: 2136 [2020-07-21 00:11:04,930 INFO L226 Difference]: Without dead ends: 1083 [2020-07-21 00:11:04,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 411 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-07-21 00:11:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-07-21 00:11:04,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1083. [2020-07-21 00:11:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1083 states. [2020-07-21 00:11:04,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 1083 states and 1429 transitions. [2020-07-21 00:11:04,977 INFO L78 Accepts]: Start accepts. Automaton has 1083 states and 1429 transitions. Word has length 214 [2020-07-21 00:11:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:11:04,980 INFO L479 AbstractCegarLoop]: Abstraction has 1083 states and 1429 transitions. [2020-07-21 00:11:04,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-21 00:11:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1429 transitions. [2020-07-21 00:11:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-21 00:11:04,984 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:11:04,984 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] [2020-07-21 00:11:05,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:11:05,199 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:11:05,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:11:05,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1200016035, now seen corresponding path program 4 times [2020-07-21 00:11:05,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:11:05,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810888551] [2020-07-21 00:11:05,200 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 [2020-07-21 00:11:11,883 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 00:11:11,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:11:11,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 00:11:11,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:11:12,030 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-21 00:11:12,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:11:12,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810888551] [2020-07-21 00:11:12,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:11:12,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 00:11:12,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586959680] [2020-07-21 00:11:12,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 00:11:12,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:11:12,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 00:11:12,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 00:11:12,033 INFO L87 Difference]: Start difference. First operand 1083 states and 1429 transitions. Second operand 3 states. [2020-07-21 00:11:12,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:11:12,665 INFO L93 Difference]: Finished difference Result 2132 states and 2824 transitions. [2020-07-21 00:11:12,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 00:11:12,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-07-21 00:11:12,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:11:12,671 INFO L225 Difference]: With dead ends: 2132 [2020-07-21 00:11:12,671 INFO L226 Difference]: Without dead ends: 1085 [2020-07-21 00:11:12,675 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 [2020-07-21 00:11:12,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2020-07-21 00:11:12,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1080. [2020-07-21 00:11:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-07-21 00:11:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1420 transitions. [2020-07-21 00:11:12,719 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1420 transitions. Word has length 215 [2020-07-21 00:11:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:11:12,720 INFO L479 AbstractCegarLoop]: Abstraction has 1080 states and 1420 transitions. [2020-07-21 00:11:12,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 00:11:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1420 transitions. [2020-07-21 00:11:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-21 00:11:12,724 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:11:12,724 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] [2020-07-21 00:11:12,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:11:12,946 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:11:12,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:11:12,946 INFO L82 PathProgramCache]: Analyzing trace with hash 181783407, now seen corresponding path program 1 times [2020-07-21 00:11:12,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:11:12,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910079631] [2020-07-21 00:11:12,947 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 [2020-07-21 00:11:16,762 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:11:16,762 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:11:16,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 2486 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 00:11:16,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:11:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-07-21 00:11:16,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:11:16,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910079631] [2020-07-21 00:11:16,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:11:16,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 00:11:16,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956200598] [2020-07-21 00:11:16,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 00:11:16,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:11:16,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 00:11:16,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-07-21 00:11:16,974 INFO L87 Difference]: Start difference. First operand 1080 states and 1420 transitions. Second operand 10 states. [2020-07-21 00:11:17,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:11:17,059 INFO L93 Difference]: Finished difference Result 2126 states and 2797 transitions. [2020-07-21 00:11:17,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-21 00:11:17,059 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 220 [2020-07-21 00:11:17,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:11:17,065 INFO L225 Difference]: With dead ends: 2126 [2020-07-21 00:11:17,066 INFO L226 Difference]: Without dead ends: 1082 [2020-07-21 00:11:17,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-21 00:11:17,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2020-07-21 00:11:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1078. [2020-07-21 00:11:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-07-21 00:11:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1410 transitions. [2020-07-21 00:11:17,112 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1410 transitions. Word has length 220 [2020-07-21 00:11:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:11:17,113 INFO L479 AbstractCegarLoop]: Abstraction has 1078 states and 1410 transitions. [2020-07-21 00:11:17,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 00:11:17,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1410 transitions. [2020-07-21 00:11:17,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-21 00:11:17,118 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 00:11:17,118 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] [2020-07-21 00:11:17,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:11:17,319 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 00:11:17,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 00:11:17,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1200899599, now seen corresponding path program 1 times [2020-07-21 00:11:17,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 00:11:17,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644510010] [2020-07-21 00:11:17,319 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 [2020-07-21 00:11:21,007 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 00:11:21,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 00:11:21,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2507 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 00:11:21,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 00:11:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-21 00:11:21,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 00:11:21,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644510010] [2020-07-21 00:11:21,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 00:11:21,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 00:11:21,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604756202] [2020-07-21 00:11:21,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 00:11:21,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 00:11:21,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 00:11:21,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-21 00:11:21,105 INFO L87 Difference]: Start difference. First operand 1078 states and 1410 transitions. Second operand 7 states. [2020-07-21 00:11:21,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 00:11:21,150 INFO L93 Difference]: Finished difference Result 1082 states and 1414 transitions. [2020-07-21 00:11:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 00:11:21,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-07-21 00:11:21,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 00:11:21,151 INFO L225 Difference]: With dead ends: 1082 [2020-07-21 00:11:21,151 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 00:11:21,154 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 [2020-07-21 00:11:21,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 00:11:21,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 00:11:21,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 00:11:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 00:11:21,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2020-07-21 00:11:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 00:11:21,156 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 00:11:21,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 00:11:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 00:11:21,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 00:11:21,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 00:11:21,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 00:11:24,503 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeEXIT(lines 6455 6470) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point L6459(lines 6459 6468) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point L6460-1(line 6460) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point L6460(line 6460) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point L6461(lines 6461 6465) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeENTRY(lines 6455 6470) no Hoare annotation was computed. [2020-07-21 00:11:24,504 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeFINAL(lines 6455 6470) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceENTRY(lines 6664 6680) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceFINAL(lines 6664 6680) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point L6672(line 6672) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point L6673(lines 6673 6678) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceEXIT(lines 6664 6680) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point L6668-1(lines 6668 6671) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point L6668(lines 6668 6671) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point L6669(line 6669) no Hoare annotation was computed. [2020-07-21 00:11:24,505 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceENTRY(lines 6743 6758) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point L6747(lines 6747 6756) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point L6748-1(line 6748) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point L6748(line 6748) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point L6749(lines 6749 6753) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceEXIT(lines 6743 6758) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceFINAL(lines 6743 6758) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L268 CegarLoopResult]: For program point usbnet_resumeFINAL(lines 7012 7014) no Hoare annotation was computed. [2020-07-21 00:11:24,506 INFO L271 CegarLoopResult]: At program point usbnet_resumeENTRY(lines 7012 7014) the Hoare annotation is: true [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point usbnet_resumeEXIT(lines 7012 7014) no Hoare annotation was computed. [2020-07-21 00:11:24,507 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))) [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point L6845-1(lines 6845 6848) no Hoare annotation was computed. [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point L6845(lines 6845 6848) no Hoare annotation was computed. [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevFINAL(lines 6842 6852) no Hoare annotation was computed. [2020-07-21 00:11:24,507 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))) [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevEXIT(lines 6842 6852) no Hoare annotation was computed. [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeENTRY(lines 6376 6392) no Hoare annotation was computed. [2020-07-21 00:11:24,507 INFO L268 CegarLoopResult]: For program point L6384(line 6384) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point L6385(lines 6385 6390) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point L6380-1(lines 6380 6383) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point L6380(lines 6380 6383) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeEXIT(lines 6376 6392) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point L6381(line 6381) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeFINAL(lines 6376 6392) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevEXIT(lines 6903 6913) no Hoare annotation was computed. [2020-07-21 00:11:24,508 INFO L268 CegarLoopResult]: For program point L6906(lines 6906 6909) no Hoare annotation was computed. [2020-07-21 00:11:24,508 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))) [2020-07-21 00:11:24,509 INFO L268 CegarLoopResult]: For program point L6906-1(lines 6906 6909) no Hoare annotation was computed. [2020-07-21 00:11:24,509 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))) [2020-07-21 00:11:24,509 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevFINAL(lines 6903 6913) no Hoare annotation was computed. [2020-07-21 00:11:24,509 INFO L271 CegarLoopResult]: At program point ldv_undef_intENTRY(lines 5765 5772) the Hoare annotation is: true [2020-07-21 00:11:24,509 INFO L268 CegarLoopResult]: For program point ldv_undef_intFINAL(lines 5765 5772) no Hoare annotation was computed. [2020-07-21 00:11:24,509 INFO L268 CegarLoopResult]: For program point ldv_undef_intEXIT(lines 5765 5772) no Hoare annotation was computed. [2020-07-21 00:11:24,509 INFO L271 CegarLoopResult]: At program point L6047(line 6047) the Hoare annotation is: true [2020-07-21 00:11:24,510 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 5968 6218) no Hoare annotation was computed. [2020-07-21 00:11:24,510 INFO L264 CegarLoopResult]: At program point L6130(line 6130) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (<= ~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))) [2020-07-21 00:11:24,510 INFO L268 CegarLoopResult]: For program point L6196(lines 6196 6200) no Hoare annotation was computed. [2020-07-21 00:11:24,510 INFO L264 CegarLoopResult]: At program point L5998(line 5998) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,510 INFO L268 CegarLoopResult]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2020-07-21 00:11:24,510 INFO L268 CegarLoopResult]: For program point L5998-1(line 5998) no Hoare annotation was computed. [2020-07-21 00:11:24,510 INFO L268 CegarLoopResult]: For program point L6131(lines 6131 6139) no Hoare annotation was computed. [2020-07-21 00:11:24,510 INFO L264 CegarLoopResult]: At program point L6197(line 6197) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6197-1(line 6197) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6131-2(lines 6129 6145) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6082(line 6082) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6148(line 6148) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6016(lines 6016 6211) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6099(line 6099) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point L6000-1(line 6000) no Hoare annotation was computed. [2020-07-21 00:11:24,511 INFO L264 CegarLoopResult]: At program point L6000(line 6000) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,511 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 5968 6218) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6215(line 6215) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6083(lines 6083 6087) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L271 CegarLoopResult]: At program point L6149(line 6149) the Hoare annotation is: true [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6116(line 6116) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6017(line 6017) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6100(lines 6100 6107) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6084-1(line 6084) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6018(lines 6018 6033) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6117(lines 6117 6153) no Hoare annotation was computed. [2020-07-21 00:11:24,512 INFO L264 CegarLoopResult]: At program point L6084(line 6084) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,512 INFO L271 CegarLoopResult]: At program point L6167(line 6167) the Hoare annotation is: true [2020-07-21 00:11:24,512 INFO L268 CegarLoopResult]: For program point L6035(line 6035) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L264 CegarLoopResult]: At program point L6002(line 6002) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,513 INFO L264 CegarLoopResult]: At program point L6101(line 6101) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6101-1(line 6101) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6002-1(line 6002) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6102(lines 6102 6105) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6069-2(lines 6056 6111) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6069(lines 6069 6074) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6036(lines 6036 6051) no Hoare annotation was computed. [2020-07-21 00:11:24,513 INFO L268 CegarLoopResult]: For program point L6119(lines 6119 6150) no Hoare annotation was computed. [2020-07-21 00:11:24,514 INFO L271 CegarLoopResult]: At program point L6185(line 6185) the Hoare annotation is: true [2020-07-21 00:11:24,514 INFO L268 CegarLoopResult]: For program point L6053(line 6053) no Hoare annotation was computed. [2020-07-21 00:11:24,514 INFO L268 CegarLoopResult]: For program point L6020(lines 6020 6030) no Hoare annotation was computed. [2020-07-21 00:11:24,514 INFO L268 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-07-21 00:11:24,514 INFO L264 CegarLoopResult]: At program point L6070(line 6070) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,514 INFO L264 CegarLoopResult]: At program point L6004-1(line 6004) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,514 INFO L268 CegarLoopResult]: For program point L6070-1(line 6070) no Hoare annotation was computed. [2020-07-21 00:11:24,514 INFO L264 CegarLoopResult]: At program point L6004(line 6004) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6054(lines 6054 6114) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6021(line 6021) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L271 CegarLoopResult]: At program point L6203(line 6203) the Hoare annotation is: true [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6038(lines 6038 6048) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6005(line 6005) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6022(lines 6022 6026) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6121(lines 6121 6126) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6155(line 6155) no Hoare annotation was computed. [2020-07-21 00:11:24,515 INFO L264 CegarLoopResult]: At program point L6122(line 6122) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,515 INFO L264 CegarLoopResult]: At program point L6023(line 6023) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,515 INFO L268 CegarLoopResult]: For program point L6023-1(line 6023) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6089(line 6089) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6122-1(line 6122) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6056(lines 6056 6111) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6040(lines 6040 6044) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6090(lines 6090 6097) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6156(lines 6156 6171) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6173(line 6173) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L264 CegarLoopResult]: At program point L6041(line 6041) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L264 CegarLoopResult]: At program point L6091(line 6091) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6058(lines 6058 6066) no Hoare annotation was computed. [2020-07-21 00:11:24,516 INFO L268 CegarLoopResult]: For program point L6091-1(line 6091) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L264 CegarLoopResult]: At program point L5992(line 5992) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L6174(lines 6174 6189) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 5968 6218) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L6191(line 6191) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L6158(lines 6158 6168) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L264 CegarLoopResult]: At program point L6059(line 6059) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L6059-1(line 6059) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L268 CegarLoopResult]: For program point L6092(lines 6092 6095) no Hoare annotation was computed. [2020-07-21 00:11:24,517 INFO L264 CegarLoopResult]: At program point L6142(lines 5991 6217) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (= 1 ~ldv_mutex_udev~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))) [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L6109(line 6109) no Hoare annotation was computed. [2020-07-21 00:11:24,518 INFO L264 CegarLoopResult]: At program point L6076(line 6076) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L6192(lines 6192 6207) no Hoare annotation was computed. [2020-07-21 00:11:24,518 INFO L264 CegarLoopResult]: At program point L5994(line 5994) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L6060(lines 6060 6064) no Hoare annotation was computed. [2020-07-21 00:11:24,518 INFO L268 CegarLoopResult]: For program point L5994-1(line 5994) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L271 CegarLoopResult]: At program point L6110(line 6110) the Hoare annotation is: true [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6209(line 6209) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6176(lines 6176 6186) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6160(lines 6160 6164) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L271 CegarLoopResult]: At program point L6210(line 6210) the Hoare annotation is: true [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-07-21 00:11:24,519 INFO L268 CegarLoopResult]: For program point L6194(lines 6194 6204) no Hoare annotation was computed. [2020-07-21 00:11:24,520 INFO L264 CegarLoopResult]: At program point L6161(line 6161) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,520 INFO L268 CegarLoopResult]: For program point L6128(line 6128) no Hoare annotation was computed. [2020-07-21 00:11:24,520 INFO L268 CegarLoopResult]: For program point L6161-1(line 6161) no Hoare annotation was computed. [2020-07-21 00:11:24,520 INFO L268 CegarLoopResult]: For program point L5996-1(line 5996) no Hoare annotation was computed. [2020-07-21 00:11:24,520 INFO L271 CegarLoopResult]: At program point L6029(line 6029) the Hoare annotation is: true [2020-07-21 00:11:24,520 INFO L264 CegarLoopResult]: At program point L5996(line 5996) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0) (= 0 ~ldv_state_variable_6~0) (<= ~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))) [2020-07-21 00:11:24,520 INFO L268 CegarLoopResult]: For program point L6178(lines 6178 6182) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point L6129(lines 6129 6146) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L264 CegarLoopResult]: At program point L6179(line 6179) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point L6179-1(line 6179) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L264 CegarLoopResult]: At program point L6212(lines 5991 6217) the Hoare annotation is: (or (not (= 1 ~ldv_mutex_lock~0)) (not (= 0 |old(~ldv_state_variable_6~0)|)) (and (= 1 ~ldv_mutex_udev~0) (= 0 ~ldv_retval_3~0)) (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))) [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11EXIT(lines 6272 6279) no Hoare annotation was computed. [2020-07-21 00:11:24,521 INFO L268 CegarLoopResult]: For program point L6275(line 6275) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point L6275-1(line 6275) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11ENTRY(lines 6272 6279) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11FINAL(lines 6272 6279) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockFINAL(lines 6537 6553) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point L6546(lines 6546 6551) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point L6542(line 6542) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockENTRY(lines 6537 6553) no Hoare annotation was computed. [2020-07-21 00:11:24,522 INFO L268 CegarLoopResult]: For program point L6545(line 6545) no Hoare annotation was computed. [2020-07-21 00:11:24,523 INFO L268 CegarLoopResult]: For program point L6541-1(lines 6541 6544) no Hoare annotation was computed. [2020-07-21 00:11:24,523 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockEXIT(lines 6537 6553) no Hoare annotation was computed. [2020-07-21 00:11:24,523 INFO L268 CegarLoopResult]: For program point L6541(lines 6541 6544) no Hoare annotation was computed. [2020-07-21 00:11:24,523 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6288 6295) no Hoare annotation was computed. [2020-07-21 00:11:24,523 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))) [2020-07-21 00:11:24,523 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6288 6295) no Hoare annotation was computed. [2020-07-21 00:11:24,523 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))) [2020-07-21 00:11:24,523 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))) [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeENTRY(lines 6482 6488) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeFINAL(lines 6482 6488) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeEXIT(lines 6482 6488) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point L6718(lines 6718 6723) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point L6714(line 6714) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point L6717(line 6717) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point L6713-1(lines 6713 6716) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point L6713(lines 6713 6716) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceEXIT(lines 6709 6725) no Hoare annotation was computed. [2020-07-21 00:11:24,524 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceENTRY(lines 6709 6725) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceFINAL(lines 6709 6725) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7ENTRY(lines 6235 6242) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point L6238(line 6238) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7EXIT(lines 6235 6242) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point L6238-1(line 6238) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7FINAL(lines 6235 6242) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point ldv_stopEXIT(lines 5781 5787) no Hoare annotation was computed. [2020-07-21 00:11:24,525 INFO L271 CegarLoopResult]: At program point ldv_stopENTRY(lines 5781 5787) the Hoare annotation is: true [2020-07-21 00:11:24,525 INFO L268 CegarLoopResult]: For program point L6398(line 6398) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point L6401(line 6401) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point L6397-1(lines 6397 6400) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point L6397(lines 6397 6400) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeFINAL(lines 6393 6409) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeENTRY(lines 6393 6409) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeEXIT(lines 6393 6409) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point L6402(lines 6402 6407) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeEXIT(lines 6512 6518) no Hoare annotation was computed. [2020-07-21 00:11:24,526 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeFINAL(lines 6512 6518) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeENTRY(lines 6512 6518) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point dummy_postresetEXIT(lines 5924 5929) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point dummy_postresetENTRY(lines 5924 5929) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point dummy_postresetFINAL(lines 5924 5929) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 6976 6978) the Hoare annotation is: true [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 6976 6978) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,527 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point usb_deregisterEXIT(lines 6993 6995) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point usb_deregisterFINAL(lines 6993 6995) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L271 CegarLoopResult]: At program point usb_deregisterENTRY(lines 6993 6995) the Hoare annotation is: true [2020-07-21 00:11:24,528 INFO L271 CegarLoopResult]: At program point ldv_undef_int_negativeENTRY(lines 6325 6338) the Hoare annotation is: true [2020-07-21 00:11:24,528 INFO L271 CegarLoopResult]: At program point L6330(line 6330) the Hoare annotation is: true [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point L6332-1(lines 6332 6335) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point L6332(lines 6332 6335) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L271 CegarLoopResult]: At program point L6333(line 6333) the Hoare annotation is: true [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeFINAL(lines 6325 6338) no Hoare annotation was computed. [2020-07-21 00:11:24,528 INFO L268 CegarLoopResult]: For program point L6330-1(line 6330) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeEXIT(lines 6325 6338) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point L6414(line 6414) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeFINAL(lines 6410 6420) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point L6413-1(lines 6413 6416) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point L6413(lines 6413 6416) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeENTRY(lines 6410 6420) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeEXIT(lines 6410 6420) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevFINAL(lines 6921 6928) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2020-07-21 00:11:24,529 INFO L268 CegarLoopResult]: For program point L6925(line 6925) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevENTRY(lines 6921 6928) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevEXIT(lines 6921 6928) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L271 CegarLoopResult]: At program point usbnet_probeENTRY(lines 7008 7010) the Hoare annotation is: true [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point usbnet_probeFINAL(lines 7008 7010) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point usbnet_probeEXIT(lines 7008 7010) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point L6574(lines 6574 6579) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockEXIT(lines 6565 6581) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point L6570(line 6570) no Hoare annotation was computed. [2020-07-21 00:11:24,530 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockENTRY(lines 6565 6581) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockFINAL(lines 6565 6581) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point L6573(line 6573) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point L6569-1(lines 6569 6572) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point L6569(lines 6569 6572) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point L6222(line 6222) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5EXIT(lines 6219 6226) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point L6222-1(line 6222) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5ENTRY(lines 6219 6226) no Hoare annotation was computed. [2020-07-21 00:11:24,531 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5FINAL(lines 6219 6226) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_exitENTRY(lines 5945 5951) the Hoare annotation is: true [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitEXIT(lines 5945 5951) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitFINAL(lines 5945 5951) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L271 CegarLoopResult]: At program point usbnet_disconnectENTRY(lines 7004 7006) the Hoare annotation is: true [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point usbnet_disconnectFINAL(lines 7004 7006) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point usbnet_disconnectEXIT(lines 7004 7006) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevFINAL(lines 6808 6824) no Hoare annotation was computed. [2020-07-21 00:11:24,532 INFO L268 CegarLoopResult]: For program point L6816(line 6816) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point L6817(lines 6817 6822) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point L6812-1(lines 6812 6815) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point L6812(lines 6812 6815) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point L6813(line 6813) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevENTRY(lines 6808 6824) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevEXIT(lines 6808 6824) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockFINAL(lines 6626 6632) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockENTRY(lines 6626 6632) no Hoare annotation was computed. [2020-07-21 00:11:24,533 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockEXIT(lines 6626 6632) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceEXIT(lines 6770 6776) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceENTRY(lines 6770 6776) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceFINAL(lines 6770 6776) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L271 CegarLoopResult]: At program point usb_register_driverENTRY(lines 6997 6999) the Hoare annotation is: true [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point usb_register_driverFINAL(lines 6997 6999) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point usb_register_driverEXIT(lines 6997 6999) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceEXIT(lines 6785 6799) no Hoare annotation was computed. [2020-07-21 00:11:24,534 INFO L268 CegarLoopResult]: For program point L6795-1(line 6795) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6795(line 6795) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceENTRY(lines 6785 6799) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceFINAL(lines 6785 6799) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6790(line 6790) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6791(lines 6791 6797) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6792-1(line 6792) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6792(line 6792) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceEXIT(lines 6777 6784) no Hoare annotation was computed. [2020-07-21 00:11:24,535 INFO L268 CegarLoopResult]: For program point L6781-1(line 6781) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point L6781(line 6781) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceENTRY(lines 6777 6784) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceFINAL(lines 6777 6784) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6280 6287) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point L6284-1(line 6284) no Hoare annotation was computed. [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6280 6287) no Hoare annotation was computed. [2020-07-21 00:11:24,536 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))) [2020-07-21 00:11:24,536 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))) [2020-07-21 00:11:24,536 INFO L268 CegarLoopResult]: For program point ldv_is_errEXIT(lines 6339 6344) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point ldv_is_errENTRY(lines 6339 6344) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point ldv_is_errFINAL(lines 6339 6344) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8ENTRY(lines 6243 6255) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8EXIT(lines 6243 6255) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point L6251(line 6251) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point L6251-1(line 6251) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8FINAL(lines 6243 6255) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point L6249(line 6249) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2020-07-21 00:11:24,537 INFO L268 CegarLoopResult]: For program point usbnet_suspendFINAL(lines 7016 7018) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L271 CegarLoopResult]: At program point usbnet_suspendENTRY(lines 7016 7018) the Hoare annotation is: true [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point usbnet_suspendEXIT(lines 7016 7018) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initEXIT(lines 5937 5944) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_initENTRY(lines 5937 5944) the Hoare annotation is: true [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initFINAL(lines 5937 5944) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L271 CegarLoopResult]: At program point L5941(line 5941) the Hoare annotation is: true [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point L5941-1(line 5941) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point ldv_mallocENTRY(lines 5712 5728) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point L5724-1(line 5724) no Hoare annotation was computed. [2020-07-21 00:11:24,538 INFO L268 CegarLoopResult]: For program point L5724(line 5724) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point L5719(lines 5719 5726) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 5712 5728) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 5712 5728) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point L6558(line 6558) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockFINAL(lines 6554 6564) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point L6557-1(lines 6557 6560) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point L6557(lines 6557 6560) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockENTRY(lines 6554 6564) no Hoare annotation was computed. [2020-07-21 00:11:24,539 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockEXIT(lines 6554 6564) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6430(lines 6430 6435) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6426(line 6426) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6429(line 6429) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6425-1(lines 6425 6428) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6425(lines 6425 6428) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeEXIT(lines 6421 6437) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeENTRY(lines 6421 6437) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeFINAL(lines 6421 6437) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6878(line 6878) no Hoare annotation was computed. [2020-07-21 00:11:24,540 INFO L268 CegarLoopResult]: For program point L6879(lines 6879 6883) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevEXIT(lines 6870 6886) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point L6874(lines 6874 6877) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point L6875(line 6875) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevENTRY(lines 6870 6886) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevFINAL(lines 6870 6886) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point L6874-1(lines 6874 6877) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L271 CegarLoopResult]: At program point L5963(line 5963) the Hoare annotation is: true [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point L5963-1(line 5963) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1EXIT(lines 5959 5967) no Hoare annotation was computed. [2020-07-21 00:11:24,541 INFO L271 CegarLoopResult]: At program point ldv_usb_driver_1ENTRY(lines 5959 5967) the Hoare annotation is: true [2020-07-21 00:11:24,542 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1FINAL(lines 5959 5967) no Hoare annotation was computed. [2020-07-21 00:11:24,542 INFO L268 CegarLoopResult]: For program point L5840-1(line 5840) no Hoare annotation was computed. [2020-07-21 00:11:24,542 INFO L268 CegarLoopResult]: For program point L5841(lines 5841 5844) no Hoare annotation was computed. [2020-07-21 00:11:24,542 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))) [2020-07-21 00:11:24,542 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))) [2020-07-21 00:11:24,542 INFO L268 CegarLoopResult]: For program point m5632_recoverFINAL(lines 5832 5849) no Hoare annotation was computed. [2020-07-21 00:11:24,542 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))) [2020-07-21 00:11:24,542 INFO L268 CegarLoopResult]: For program point m5632_recoverEXIT(lines 5832 5849) no Hoare annotation was computed. [2020-07-21 00:11:24,543 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))) [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point L5845-1(line 5845) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point ldv_ptr_errENTRY(lines 6351 6356) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point ldv_ptr_errFINAL(lines 6351 6356) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point ldv_ptr_errEXIT(lines 6351 6356) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceFINAL(lines 6973 6975) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L271 CegarLoopResult]: At program point __ldv_usb_unlock_deviceENTRY(lines 6973 6975) the Hoare annotation is: true [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceEXIT(lines 6973 6975) no Hoare annotation was computed. [2020-07-21 00:11:24,543 INFO L268 CegarLoopResult]: For program point L6603(lines 6603 6612) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point L6604-1(line 6604) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point L6604(line 6604) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point L6605(lines 6605 6609) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockEXIT(lines 6599 6614) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockENTRY(lines 6599 6614) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockFINAL(lines 6599 6614) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point dummy_preresetENTRY(lines 5918 5923) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point dummy_preresetFINAL(lines 5918 5923) no Hoare annotation was computed. [2020-07-21 00:11:24,544 INFO L268 CegarLoopResult]: For program point dummy_preresetEXIT(lines 5918 5923) no Hoare annotation was computed. [2020-07-21 00:11:24,545 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6929 6943) no Hoare annotation was computed. [2020-07-21 00:11:24,545 INFO L268 CegarLoopResult]: For program point L6939-1(line 6939) no Hoare annotation was computed. [2020-07-21 00:11:24,545 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))) [2020-07-21 00:11:24,545 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6929 6943) no Hoare annotation was computed. [2020-07-21 00:11:24,545 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))) [2020-07-21 00:11:24,545 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))) [2020-07-21 00:11:24,545 INFO L268 CegarLoopResult]: For program point L6935(lines 6935 6941) no Hoare annotation was computed. [2020-07-21 00:11:24,545 INFO L268 CegarLoopResult]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2020-07-21 00:11:24,545 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))) [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1FINAL(lines 6980 6982) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1EXIT(lines 6980 6982) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L271 CegarLoopResult]: At program point ldv_reset_resume_1ENTRY(lines 6980 6982) the Hoare annotation is: true [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6366(lines 6366 6370) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6362(lines 6362 6371) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6365-1(line 6365) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6366-2(lines 6362 6371) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point L6365(line 6365) no Hoare annotation was computed. [2020-07-21 00:11:24,546 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullENTRY(lines 6357 6374) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullEXIT(lines 6357 6374) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullFINAL(lines 6357 6374) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 7020 7022) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 7020 7022) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 7020 7022) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6ENTRY(lines 6227 6234) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6EXIT(lines 6227 6234) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6FINAL(lines 6227 6234) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point L6230(line 6230) no Hoare annotation was computed. [2020-07-21 00:11:24,547 INFO L268 CegarLoopResult]: For program point L6230-1(line 6230) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point ldv_err_ptrEXIT(lines 6345 6350) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point ldv_err_ptrENTRY(lines 6345 6350) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point ldv_err_ptrFINAL(lines 6345 6350) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevEXIT(lines 6853 6869) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevENTRY(lines 6853 6869) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point L6862(lines 6862 6867) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point L6858(line 6858) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point L6861(line 6861) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point L6857-1(lines 6857 6860) no Hoare annotation was computed. [2020-07-21 00:11:24,548 INFO L268 CegarLoopResult]: For program point L6857(lines 6857 6860) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevFINAL(lines 6853 6869) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9ENTRY(lines 6256 6263) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9EXIT(lines 6256 6263) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9FINAL(lines 6256 6263) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point L6259(line 6259) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point L6259-1(line 6259) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point mutex_trylockENTRY(lines 6987 6989) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point mutex_trylockEXIT(lines 6987 6989) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point mutex_trylockFINAL(lines 6987 6989) no Hoare annotation was computed. [2020-07-21 00:11:24,549 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockENTRY(lines 6615 6625) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point L6618(lines 6618 6621) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point L6619(line 6619) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockEXIT(lines 6615 6625) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockFINAL(lines 6615 6625) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point L6618-1(lines 6618 6621) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevFINAL(lines 6914 6920) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevEXIT(lines 6914 6920) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevENTRY(lines 6914 6920) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceFINAL(lines 6800 6806) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceENTRY(lines 6800 6806) no Hoare annotation was computed. [2020-07-21 00:11:24,550 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceEXIT(lines 6800 6806) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point L6267(line 6267) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10ENTRY(lines 6264 6271) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point L6267-1(line 6267) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10FINAL(lines 6264 6271) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10EXIT(lines 6264 6271) no Hoare annotation was computed. [2020-07-21 00:11:24,551 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))) [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevFINAL(lines 6944 6950) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevEXIT(lines 6944 6950) no Hoare annotation was computed. [2020-07-21 00:11:24,551 INFO L268 CegarLoopResult]: For program point mutex_unlockENTRY(lines 6990 6992) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point mutex_unlockEXIT(lines 6990 6992) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point mutex_unlockFINAL(lines 6990 6992) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point L6686(line 6686) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point L6689(line 6689) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceENTRY(lines 6681 6697) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point L6685-1(lines 6685 6688) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point L6685(lines 6685 6688) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceEXIT(lines 6681 6697) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceFINAL(lines 6681 6697) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point L6690(lines 6690 6695) no Hoare annotation was computed. [2020-07-21 00:11:24,552 INFO L268 CegarLoopResult]: For program point ldv_errorFINAL(lines 6318 6324) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L271 CegarLoopResult]: At program point ldv_errorENTRY(lines 6318 6324) the Hoare annotation is: true [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6322) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point ldv_errorEXIT(lines 6318 6324) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevENTRY(lines 6887 6902) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point L6891(lines 6891 6900) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point L6892-1(line 6892) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point L6892(line 6892) no Hoare annotation was computed. [2020-07-21 00:11:24,553 INFO L268 CegarLoopResult]: For program point L6893(lines 6893 6897) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevFINAL(lines 6887 6902) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevEXIT(lines 6887 6902) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L271 CegarLoopResult]: At program point usb_reset_deviceENTRY(lines 7001 7003) the Hoare annotation is: true [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point usb_reset_deviceFINAL(lines 7001 7003) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point usb_reset_deviceEXIT(lines 7001 7003) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongENTRY(lines 5773 5780) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongEXIT(lines 5773 5780) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongFINAL(lines 5773 5780) no Hoare annotation was computed. [2020-07-21 00:11:24,554 INFO L271 CegarLoopResult]: At program point always_connectedENTRY(lines 5826 5831) the Hoare annotation is: true [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point always_connectedFINAL(lines 5826 5831) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point always_connectedEXIT(lines 5826 5831) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15FINAL(lines 6310 6317) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15EXIT(lines 6310 6317) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point L6313-1(line 6313) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L271 CegarLoopResult]: At program point ldv_usb_deregister_15ENTRY(lines 6310 6317) the Hoare annotation is: true [2020-07-21 00:11:24,555 INFO L271 CegarLoopResult]: At program point L6313(line 6313) the Hoare annotation is: true [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point L6762(lines 6762 6765) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point L6763(line 6763) no Hoare annotation was computed. [2020-07-21 00:11:24,555 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceEXIT(lines 6759 6769) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point L6762-1(lines 6762 6765) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceENTRY(lines 6759 6769) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceFINAL(lines 6759 6769) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L271 CegarLoopResult]: At program point L6302(line 6302) the Hoare annotation is: true [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14FINAL(lines 6296 6309) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point L6306-1(line 6306) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14EXIT(lines 6296 6309) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L268 CegarLoopResult]: For program point L6302-1(line 6302) no Hoare annotation was computed. [2020-07-21 00:11:24,556 INFO L271 CegarLoopResult]: At program point ldv_usb_register_driver_14ENTRY(lines 6296 6309) the Hoare annotation is: true [2020-07-21 00:11:24,556 INFO L271 CegarLoopResult]: At program point L6306(line 6306) the Hoare annotation is: true [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-21 00:11:24,557 INFO L271 CegarLoopResult]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockENTRY(lines 6641 6655) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point L6651(line 6651) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point L6646(line 6646) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point L6647(lines 6647 6653) no Hoare annotation was computed. [2020-07-21 00:11:24,557 INFO L268 CegarLoopResult]: For program point L6648-1(line 6648) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockFINAL(lines 6641 6655) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6648(line 6648) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockEXIT(lines 6641 6655) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6646-1(line 6646) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6834(lines 6834 6839) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevFINAL(lines 6825 6841) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6830(line 6830) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6833(line 6833) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6829-1(lines 6829 6832) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point L6829(lines 6829 6832) no Hoare annotation was computed. [2020-07-21 00:11:24,558 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevEXIT(lines 6825 6841) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevENTRY(lines 6825 6841) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeEXIT(lines 6489 6496) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeENTRY(lines 6489 6496) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeFINAL(lines 6489 6496) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point L6493-1(line 6493) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point L6493(line 6493) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point L5710(line 5710) no Hoare annotation was computed. [2020-07-21 00:11:24,559 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 5709 5711) the Hoare annotation is: true [2020-07-21 00:11:24,559 INFO L268 CegarLoopResult]: For program point L5710-2(lines 5709 5711) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5709 5711) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point ldv_init_zallocFINAL(lines 5746 5756) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point ldv_init_zallocEXIT(lines 5746 5756) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L271 CegarLoopResult]: At program point L5751(line 5751) the Hoare annotation is: true [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point L5751-1(line 5751) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L271 CegarLoopResult]: At program point ldv_init_zallocENTRY(lines 5746 5756) the Hoare annotation is: true [2020-07-21 00:11:24,560 INFO L271 CegarLoopResult]: At program point L5753(line 5753) the Hoare annotation is: true [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point L5753-1(line 5753) no Hoare annotation was computed. [2020-07-21 00:11:24,560 INFO L268 CegarLoopResult]: For program point L6590(line 6590) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6591(lines 6591 6595) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6586(lines 6586 6589) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6587(line 6587) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6586-1(lines 6586 6589) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockFINAL(lines 6582 6598) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockENTRY(lines 6582 6598) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockEXIT(lines 6582 6598) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6507-1(line 6507) no Hoare annotation was computed. [2020-07-21 00:11:24,561 INFO L268 CegarLoopResult]: For program point L6507(line 6507) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeENTRY(lines 6497 6511) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeFINAL(lines 6497 6511) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point L6502(line 6502) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point L6503(lines 6503 6509) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point L6504-1(line 6504) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point L6504(line 6504) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeEXIT(lines 6497 6511) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point L6502-1(line 6502) no Hoare annotation was computed. [2020-07-21 00:11:24,562 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeFINAL(lines 6438 6454) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeENTRY(lines 6438 6454) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeEXIT(lines 6438 6454) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point L6446(line 6446) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point L6447(lines 6447 6451) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point L6442(lines 6442 6445) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point L6443(line 6443) no Hoare annotation was computed. [2020-07-21 00:11:24,563 INFO L268 CegarLoopResult]: For program point L6442-1(lines 6442 6445) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockFINAL(lines 6656 6662) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockENTRY(lines 6656 6662) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockEXIT(lines 6656 6662) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point L6966(lines 6951 6972) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point L6962(lines 6953 6971) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point L6958(lines 6953 6971) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point L6954(lines 6953 6971) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 6951 6972) no Hoare annotation was computed. [2020-07-21 00:11:24,564 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 6951 6972) the Hoare annotation is: true [2020-07-21 00:11:24,564 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))) [2020-07-21 00:11:24,565 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))) [2020-07-21 00:11:24,565 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))) [2020-07-21 00:11:24,565 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))) [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point L5739(line 5739) no Hoare annotation was computed. [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point L5739-1(line 5739) no Hoare annotation was computed. [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point L5741(line 5741) no Hoare annotation was computed. [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point L5741-1(line 5741) no Hoare annotation was computed. [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point ldv_zallocEXIT(lines 5729 5745) no Hoare annotation was computed. [2020-07-21 00:11:24,565 INFO L268 CegarLoopResult]: For program point L5736(lines 5736 5743) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_zallocENTRY(lines 5729 5745) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_zallocFINAL(lines 5729 5745) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point mutex_lockENTRY(lines 6983 6985) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point mutex_lockFINAL(lines 6983 6985) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point mutex_lockEXIT(lines 6983 6985) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point L6637-1(line 6637) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point L6637(line 6637) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockEXIT(lines 6633 6640) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockFINAL(lines 6633 6640) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockENTRY(lines 6633 6640) no Hoare annotation was computed. [2020-07-21 00:11:24,566 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceEXIT(lines 6726 6742) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceENTRY(lines 6726 6742) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point L6734(line 6734) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point L6735(lines 6735 6739) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point L6730(lines 6730 6733) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point L6731(line 6731) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceFINAL(lines 6726 6742) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point L6730-1(lines 6730 6733) no Hoare annotation was computed. [2020-07-21 00:11:24,567 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,568 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) (= 0 ~ldv_state_variable_6~0) (= 1 ~ldv_mutex_lock~0) (= 1 ~ldv_mutex_i_mutex_of_inode~0) (<= ~ldv_state_variable_0~0 1)) [2020-07-21 00:11:24,568 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point ldv_memsetFINAL(lines 5757 5764) no Hoare annotation was computed. [2020-07-21 00:11:24,568 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_0~0 1)) (not (= 1 ~ldv_mutex_i_mutex_of_inode~0)) (not (= 0 ~ldv_state_variable_6~0)) (= |ldv_memset_#in~n| ldv_memset_~n) (not (= 1 ~ldv_mutex_mutex_of_device~0))) [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point L5761-1(line 5761) no Hoare annotation was computed. [2020-07-21 00:11:24,568 INFO L271 CegarLoopResult]: At program point ldv_memsetENTRY(lines 5757 5764) the Hoare annotation is: true [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point ldv_memsetEXIT(lines 5757 5764) no Hoare annotation was computed. [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeFINAL(lines 6471 6481) no Hoare annotation was computed. [2020-07-21 00:11:24,568 INFO L268 CegarLoopResult]: For program point L6474(lines 6474 6477) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6475(line 6475) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeEXIT(lines 6471 6481) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeENTRY(lines 6471 6481) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6474-1(lines 6474 6477) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6528(line 6528) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6529(lines 6529 6534) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6524-1(lines 6524 6527) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6524(lines 6524 6527) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point L6525(line 6525) no Hoare annotation was computed. [2020-07-21 00:11:24,569 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockFINAL(lines 6520 6536) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockEXIT(lines 6520 6536) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockENTRY(lines 6520 6536) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point L6702(line 6702) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceENTRY(lines 6698 6708) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point L6701-1(lines 6701 6704) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point L6701(lines 6701 6704) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceFINAL(lines 6698 6708) no Hoare annotation was computed. [2020-07-21 00:11:24,570 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceEXIT(lines 6698 6708) no Hoare annotation was computed. [2020-07-21 00:11:24,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:11:24 BoogieIcfgContainer [2020-07-21 00:11:24,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 00:11:24,594 INFO L168 Benchmark]: Toolchain (without parser) took 57764.73 ms. Allocated memory was 143.7 MB in the beginning and 664.3 MB in the end (delta: 520.6 MB). Free memory was 91.6 MB in the beginning and 228.8 MB in the end (delta: -137.2 MB). Peak memory consumption was 526.4 MB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,595 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2046.11 ms. Allocated memory was 143.7 MB in the beginning and 227.5 MB in the end (delta: 83.9 MB). Free memory was 91.4 MB in the beginning and 117.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,596 INFO L168 Benchmark]: Boogie Preprocessor took 220.67 ms. Allocated memory is still 227.5 MB. Free memory was 117.5 MB in the beginning and 104.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,597 INFO L168 Benchmark]: RCFGBuilder took 2877.35 ms. Allocated memory was 227.5 MB in the beginning and 265.3 MB in the end (delta: 37.7 MB). Free memory was 104.4 MB in the beginning and 119.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,597 INFO L168 Benchmark]: TraceAbstraction took 52614.59 ms. Allocated memory was 265.3 MB in the beginning and 664.3 MB in the end (delta: 399.0 MB). Free memory was 119.4 MB in the beginning and 228.8 MB in the end (delta: -109.4 MB). Peak memory consumption was 432.6 MB. Max. memory is 7.1 GB. [2020-07-21 00:11:24,600 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 143.7 MB. Free memory was 118.6 MB in the beginning and 118.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2046.11 ms. Allocated memory was 143.7 MB in the beginning and 227.5 MB in the end (delta: 83.9 MB). Free memory was 91.4 MB in the beginning and 117.5 MB in the end (delta: -26.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 220.67 ms. Allocated memory is still 227.5 MB. Free memory was 117.5 MB in the beginning and 104.4 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2877.35 ms. Allocated memory was 227.5 MB in the beginning and 265.3 MB in the end (delta: 37.7 MB). Free memory was 104.4 MB in the beginning and 119.4 MB in the end (delta: -15.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 52614.59 ms. Allocated memory was 265.3 MB in the beginning and 664.3 MB in the end (delta: 399.0 MB). Free memory was 119.4 MB in the beginning and 228.8 MB in the end (delta: -109.4 MB). Peak memory consumption was 432.6 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) || !(0 == \old(ldv_state_variable_6))) || 1 == ldv_mutex_udev) || !(\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) || !(0 == \old(ldv_state_variable_6))) || (1 == ldv_mutex_udev && 0 == ldv_retval_3)) || !(\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: 49.3s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4706 SDtfs, 2007 SDslu, 11300 SDs, 0 SdLazy, 229 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3262 GetRequests, 3186 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1083occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 159 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 94 LocationsWithAnnotation, 1897 PreInvPairs, 1966 NumberOfFragments, 1519 HoareAnnotationTreeSize, 1897 FomulaSimplifications, 1045 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 94 FomulaSimplificationsInter, 4179 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 37.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 2628 NumberOfCodeBlocks, 1891 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 3250 ConstructedInterpolants, 0 QuantifiedInterpolants, 948316 SizeOfPredicates, 19 NumberOfNonLiveVariables, 31725 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 4905/4925 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...