/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 NUM_FUNCTIONS --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 [2020-07-20 16:07:38,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:07:38,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:07:38,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:07:38,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:07:38,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:07:38,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:07:38,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:07:38,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:07:38,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:07:38,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:07:38,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:07:38,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:07:38,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:07:38,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:07:38,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:07:38,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:07:38,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:07:38,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:07:38,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:07:38,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:07:38,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:07:38,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:07:38,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:07:38,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:07:38,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:07:38,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:07:38,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:07:38,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:07:38,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:07:38,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:07:38,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:07:38,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:07:38,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:07:38,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:07:38,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:07:38,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:07:38,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:07:38,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:07:38,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:07:38,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:07:38,773 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 [2020-07-20 16:07:38,787 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:07:38,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:07:38,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:07:38,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:07:38,789 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:07:38,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:07:38,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:07:38,791 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:07:38,791 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:07:38,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:07:38,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:07:38,792 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:07:38,792 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:07:38,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:07:38,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:07:38,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:07:38,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-20 16:07:38,794 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 -> NUM_FUNCTIONS 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 [2020-07-20 16:07:39,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:07:39,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:07:39,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:07:39,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:07:39,093 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:07:39,093 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-20 16:07:39,155 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4358a27/83aaee872c3c4238a031ffb34fa52605/FLAGd4dcde54a [2020-07-20 16:07:39,841 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:07:39,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-20 16:07:39,881 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4358a27/83aaee872c3c4238a031ffb34fa52605/FLAGd4dcde54a [2020-07-20 16:07:40,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4358a27/83aaee872c3c4238a031ffb34fa52605 [2020-07-20 16:07:40,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:07:40,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:07:40,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:07:40,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:07:40,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:07:40,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:07:40" (1/1) ... [2020-07-20 16:07:40,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbfff83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:40, skipping insertion in model container [2020-07-20 16:07:40,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:07:40" (1/1) ... [2020-07-20 16:07:40,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:07:40,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:07:41,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:07:41,473 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:07:41,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:07:41,899 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:07:41,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41 WrapperNode [2020-07-20 16:07:41,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:07:41,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:07:41,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:07:41,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:07:41,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:41,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (1/1) ... [2020-07-20 16:07:42,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:07:42,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:07:42,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:07:42,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:07:42,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (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 [2020-07-20 16:07:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:07:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:07:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 16:07:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-20 16:07:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-20 16:07:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-07-20 16:07:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-07-20 16:07:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-20 16:07:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-20 16:07:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-20 16:07:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2020-07-20 16:07:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2020-07-20 16:07:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2020-07-20 16:07:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2020-07-20 16:07:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2020-07-20 16:07:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2020-07-20 16:07:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-07-20 16:07:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:07:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2020-07-20 16:07:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2020-07-20 16:07:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-07-20 16:07:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2020-07-20 16:07:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-07-20 16:07:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-07-20 16:07:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2020-07-20 16:07:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2020-07-20 16:07:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2020-07-20 16:07:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-07-20 16:07:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-07-20 16:07:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-07-20 16:07:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-20 16:07:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-20 16:07:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-20 16:07:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-20 16:07:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-20 16:07:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-20 16:07:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-20 16:07:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-20 16:07:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-20 16:07:42,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-20 16:07:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-20 16:07:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-07-20 16:07:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-07-20 16:07:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2020-07-20 16:07:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2020-07-20 16:07:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2020-07-20 16:07:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2020-07-20 16:07:42,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-20 16:07:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-20 16:07:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-07-20 16:07:42,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-20 16:07:42,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2020-07-20 16:07:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-20 16:07:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2020-07-20 16:07:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2020-07-20 16:07:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2020-07-20 16:07:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2020-07-20 16:07:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2020-07-20 16:07:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2020-07-20 16:07:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-20 16:07:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-20 16:07:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-07-20 16:07:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-07-20 16:07:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-07-20 16:07:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-07-20 16:07:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-07-20 16:07:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-07-20 16:07:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-07-20 16:07:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-20 16:07:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-07-20 16:07:42,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-20 16:07:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:07:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-07-20 16:07:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-07-20 16:07:42,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 16:07:42,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:07:42,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-20 16:07:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-20 16:07:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-07-20 16:07:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-07-20 16:07:42,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-07-20 16:07:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-20 16:07:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-20 16:07:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-20 16:07:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2020-07-20 16:07:42,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2020-07-20 16:07:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-20 16:07:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2020-07-20 16:07:42,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-07-20 16:07:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2020-07-20 16:07:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2020-07-20 16:07:42,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2020-07-20 16:07:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-07-20 16:07:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-07-20 16:07:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-07-20 16:07:42,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-07-20 16:07:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-07-20 16:07:42,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2020-07-20 16:07:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2020-07-20 16:07:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-07-20 16:07:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2020-07-20 16:07:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-07-20 16:07:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-07-20 16:07:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-07-20 16:07:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-07-20 16:07:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-07-20 16:07:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-07-20 16:07:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-07-20 16:07:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-07-20 16:07:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-07-20 16:07:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2020-07-20 16:07:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2020-07-20 16:07:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:07:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:07:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2020-07-20 16:07:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-20 16:07:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:07:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:07:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:07:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-20 16:07:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2020-07-20 16:07:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2020-07-20 16:07:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-07-20 16:07:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-07-20 16:07:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2020-07-20 16:07:42,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2020-07-20 16:07:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:07:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:07:42,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:07:42,907 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-20 16:07:44,644 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:07:44,645 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-20 16:07:44,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:07:44 BoogieIcfgContainer [2020-07-20 16:07:44,652 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:07:44,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:07:44,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:07:44,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:07:44,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:07:40" (1/3) ... [2020-07-20 16:07:44,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c936e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:07:44, skipping insertion in model container [2020-07-20 16:07:44,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:07:41" (2/3) ... [2020-07-20 16:07:44,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68c936e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:07:44, skipping insertion in model container [2020-07-20 16:07:44,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:07:44" (3/3) ... [2020-07-20 16:07:44,660 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2020-07-20 16:07:44,671 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:07:44,679 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:07:44,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:07:44,721 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:07:44,722 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:07:44,722 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:07:44,722 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:07:44,722 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:07:44,722 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:07:44,722 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:07:44,722 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:07:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states. [2020-07-20 16:07:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 16:07:44,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:44,766 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] [2020-07-20 16:07:44,767 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1903613762, now seen corresponding path program 1 times [2020-07-20 16:07:44,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:44,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983319237] [2020-07-20 16:07:44,784 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 [2020-07-20 16:07:45,506 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:07:45,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:45,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:07:45,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:45,637 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-20 16:07:45,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:45,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983319237] [2020-07-20 16:07:45,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:45,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:45,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610663014] [2020-07-20 16:07:45,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:45,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:45,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:45,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:45,665 INFO L87 Difference]: Start difference. First operand 480 states. Second operand 3 states. [2020-07-20 16:07:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:45,818 INFO L93 Difference]: Finished difference Result 705 states and 947 transitions. [2020-07-20 16:07:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:45,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 16:07:45,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:45,836 INFO L225 Difference]: With dead ends: 705 [2020-07-20 16:07:45,836 INFO L226 Difference]: Without dead ends: 408 [2020-07-20 16:07:45,844 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 [2020-07-20 16:07:45,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-07-20 16:07:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 384. [2020-07-20 16:07:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-07-20 16:07:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 491 transitions. [2020-07-20 16:07:45,934 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 491 transitions. Word has length 138 [2020-07-20 16:07:45,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:45,935 INFO L479 AbstractCegarLoop]: Abstraction has 384 states and 491 transitions. [2020-07-20 16:07:45,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 491 transitions. [2020-07-20 16:07:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-20 16:07:45,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:45,940 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] [2020-07-20 16:07:46,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:46,155 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:46,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:46,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1957018819, now seen corresponding path program 1 times [2020-07-20 16:07:46,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:46,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379154822] [2020-07-20 16:07:46,156 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 [2020-07-20 16:07:47,825 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:07:47,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:47,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:07:47,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2020-07-20 16:07:47,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:47,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379154822] [2020-07-20 16:07:47,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:47,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:47,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209025927] [2020-07-20 16:07:47,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:47,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:47,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:47,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:47,901 INFO L87 Difference]: Start difference. First operand 384 states and 491 transitions. Second operand 3 states. [2020-07-20 16:07:48,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:48,003 INFO L93 Difference]: Finished difference Result 663 states and 866 transitions. [2020-07-20 16:07:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:48,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-07-20 16:07:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:48,010 INFO L225 Difference]: With dead ends: 663 [2020-07-20 16:07:48,011 INFO L226 Difference]: Without dead ends: 639 [2020-07-20 16:07:48,012 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 [2020-07-20 16:07:48,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2020-07-20 16:07:48,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 635. [2020-07-20 16:07:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-07-20 16:07:48,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 835 transitions. [2020-07-20 16:07:48,049 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 835 transitions. Word has length 141 [2020-07-20 16:07:48,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:48,050 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 835 transitions. [2020-07-20 16:07:48,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 835 transitions. [2020-07-20 16:07:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 16:07:48,053 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:48,053 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] [2020-07-20 16:07:48,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:48,262 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:48,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:48,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2115073202, now seen corresponding path program 1 times [2020-07-20 16:07:48,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:48,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143224024] [2020-07-20 16:07:48,265 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 [2020-07-20 16:07:49,782 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 16:07:49,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:49,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:07:49,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-20 16:07:49,843 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:49,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143224024] [2020-07-20 16:07:49,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:49,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:49,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123717363] [2020-07-20 16:07:49,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:49,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:49,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:49,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:49,847 INFO L87 Difference]: Start difference. First operand 635 states and 835 transitions. Second operand 3 states. [2020-07-20 16:07:49,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:49,915 INFO L93 Difference]: Finished difference Result 657 states and 861 transitions. [2020-07-20 16:07:49,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:49,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-20 16:07:49,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:49,925 INFO L225 Difference]: With dead ends: 657 [2020-07-20 16:07:49,925 INFO L226 Difference]: Without dead ends: 646 [2020-07-20 16:07:49,926 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 [2020-07-20 16:07:49,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-20 16:07:49,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 635. [2020-07-20 16:07:49,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2020-07-20 16:07:49,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 834 transitions. [2020-07-20 16:07:49,975 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 834 transitions. Word has length 167 [2020-07-20 16:07:49,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:49,976 INFO L479 AbstractCegarLoop]: Abstraction has 635 states and 834 transitions. [2020-07-20 16:07:49,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 834 transitions. [2020-07-20 16:07:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-20 16:07:49,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:49,979 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] [2020-07-20 16:07:50,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:50,195 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:50,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:50,195 INFO L82 PathProgramCache]: Analyzing trace with hash -2057814900, now seen corresponding path program 1 times [2020-07-20 16:07:50,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:50,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849238464] [2020-07-20 16:07:50,196 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 [2020-07-20 16:07:52,423 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:07:52,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:52,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 2267 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:07:52,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-20 16:07:52,572 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:52,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849238464] [2020-07-20 16:07:52,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:52,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:52,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648970456] [2020-07-20 16:07:52,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:52,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:52,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:52,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:52,575 INFO L87 Difference]: Start difference. First operand 635 states and 834 transitions. Second operand 3 states. [2020-07-20 16:07:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:52,596 INFO L93 Difference]: Finished difference Result 637 states and 835 transitions. [2020-07-20 16:07:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:52,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-07-20 16:07:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:52,601 INFO L225 Difference]: With dead ends: 637 [2020-07-20 16:07:52,601 INFO L226 Difference]: Without dead ends: 634 [2020-07-20 16:07:52,602 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 [2020-07-20 16:07:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-07-20 16:07:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2020-07-20 16:07:52,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2020-07-20 16:07:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 832 transitions. [2020-07-20 16:07:52,632 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 832 transitions. Word has length 167 [2020-07-20 16:07:52,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:52,633 INFO L479 AbstractCegarLoop]: Abstraction has 634 states and 832 transitions. [2020-07-20 16:07:52,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 832 transitions. [2020-07-20 16:07:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-20 16:07:52,636 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:52,636 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] [2020-07-20 16:07:52,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:52,847 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:52,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash 632050949, now seen corresponding path program 1 times [2020-07-20 16:07:52,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:52,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503751866] [2020-07-20 16:07:52,849 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 [2020-07-20 16:07:55,190 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:07:55,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:55,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 2267 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:07:55,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-20 16:07:55,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:55,261 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1503751866] [2020-07-20 16:07:55,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:55,262 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:55,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040606031] [2020-07-20 16:07:55,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:55,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:55,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:55,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:55,263 INFO L87 Difference]: Start difference. First operand 634 states and 832 transitions. Second operand 3 states. [2020-07-20 16:07:55,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:55,283 INFO L93 Difference]: Finished difference Result 636 states and 833 transitions. [2020-07-20 16:07:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:55,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-07-20 16:07:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:55,288 INFO L225 Difference]: With dead ends: 636 [2020-07-20 16:07:55,288 INFO L226 Difference]: Without dead ends: 633 [2020-07-20 16:07:55,289 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 [2020-07-20 16:07:55,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2020-07-20 16:07:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2020-07-20 16:07:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-07-20 16:07:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 830 transitions. [2020-07-20 16:07:55,321 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 830 transitions. Word has length 168 [2020-07-20 16:07:55,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:55,322 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 830 transitions. [2020-07-20 16:07:55,322 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:55,323 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 830 transitions. [2020-07-20 16:07:55,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-20 16:07:55,325 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:55,325 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] [2020-07-20 16:07:55,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:55,540 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:55,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:55,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1881448785, now seen corresponding path program 1 times [2020-07-20 16:07:55,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:55,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583682552] [2020-07-20 16:07:55,542 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 [2020-07-20 16:07:57,873 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:07:57,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:07:57,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:07:57,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:07:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-20 16:07:57,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:07:57,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583682552] [2020-07-20 16:07:57,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:07:57,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:07:57,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009520694] [2020-07-20 16:07:57,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:07:57,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:07:57,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:07:57,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:07:57,948 INFO L87 Difference]: Start difference. First operand 633 states and 830 transitions. Second operand 3 states. [2020-07-20 16:07:57,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:07:57,971 INFO L93 Difference]: Finished difference Result 635 states and 831 transitions. [2020-07-20 16:07:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:07:57,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-07-20 16:07:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:07:57,975 INFO L225 Difference]: With dead ends: 635 [2020-07-20 16:07:57,975 INFO L226 Difference]: Without dead ends: 632 [2020-07-20 16:07:57,976 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 [2020-07-20 16:07:57,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-07-20 16:07:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2020-07-20 16:07:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2020-07-20 16:07:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 828 transitions. [2020-07-20 16:07:58,007 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 828 transitions. Word has length 169 [2020-07-20 16:07:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:07:58,008 INFO L479 AbstractCegarLoop]: Abstraction has 632 states and 828 transitions. [2020-07-20 16:07:58,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:07:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 828 transitions. [2020-07-20 16:07:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-07-20 16:07:58,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:07:58,011 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] [2020-07-20 16:07:58,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:07:58,224 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:07:58,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:07:58,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1804442952, now seen corresponding path program 1 times [2020-07-20 16:07:58,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:07:58,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1642479517] [2020-07-20 16:07:58,227 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 [2020-07-20 16:08:00,586 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:08:00,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:00,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2270 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:08:00,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2020-07-20 16:08:00,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:08:00,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1642479517] [2020-07-20 16:08:00,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:08:00,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:08:00,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299144638] [2020-07-20 16:08:00,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:08:00,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:00,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:08:00,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:08:00,668 INFO L87 Difference]: Start difference. First operand 632 states and 828 transitions. Second operand 3 states. [2020-07-20 16:08:00,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:00,737 INFO L93 Difference]: Finished difference Result 1808 states and 2400 transitions. [2020-07-20 16:08:00,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:08:00,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-07-20 16:08:00,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:00,746 INFO L225 Difference]: With dead ends: 1808 [2020-07-20 16:08:00,747 INFO L226 Difference]: Without dead ends: 1190 [2020-07-20 16:08:00,749 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 [2020-07-20 16:08:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-07-20 16:08:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1079. [2020-07-20 16:08:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1079 states. [2020-07-20 16:08:00,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1425 transitions. [2020-07-20 16:08:00,802 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1425 transitions. Word has length 170 [2020-07-20 16:08:00,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:00,803 INFO L479 AbstractCegarLoop]: Abstraction has 1079 states and 1425 transitions. [2020-07-20 16:08:00,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:08:00,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1425 transitions. [2020-07-20 16:08:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-20 16:08:00,807 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:00,808 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] [2020-07-20 16:08:01,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:01,023 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:01,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:01,023 INFO L82 PathProgramCache]: Analyzing trace with hash 945467811, now seen corresponding path program 1 times [2020-07-20 16:08:01,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:01,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [726808163] [2020-07-20 16:08:01,025 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 [2020-07-20 16:08:05,669 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:08:05,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:05,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:08:05,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2020-07-20 16:08:05,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:08:05,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [726808163] [2020-07-20 16:08:05,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:08:05,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:08:05,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878740275] [2020-07-20 16:08:05,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:08:05,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:05,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:08:05,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:08:05,772 INFO L87 Difference]: Start difference. First operand 1079 states and 1425 transitions. Second operand 3 states. [2020-07-20 16:08:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:06,400 INFO L93 Difference]: Finished difference Result 2128 states and 2820 transitions. [2020-07-20 16:08:06,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:08:06,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2020-07-20 16:08:06,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:06,407 INFO L225 Difference]: With dead ends: 2128 [2020-07-20 16:08:06,407 INFO L226 Difference]: Without dead ends: 1081 [2020-07-20 16:08:06,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:08:06,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2020-07-20 16:08:06,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1076. [2020-07-20 16:08:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-07-20 16:08:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1416 transitions. [2020-07-20 16:08:06,489 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1416 transitions. Word has length 211 [2020-07-20 16:08:06,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:06,489 INFO L479 AbstractCegarLoop]: Abstraction has 1076 states and 1416 transitions. [2020-07-20 16:08:06,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:08:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1416 transitions. [2020-07-20 16:08:06,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-20 16:08:06,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:06,496 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:08:06,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:06,710 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:06,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:06,711 INFO L82 PathProgramCache]: Analyzing trace with hash -715504529, now seen corresponding path program 1 times [2020-07-20 16:08:06,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:06,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506355957] [2020-07-20 16:08:06,711 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 [2020-07-20 16:08:11,743 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:08:11,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:11,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:08:11,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-07-20 16:08:11,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:08:11,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506355957] [2020-07-20 16:08:11,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:08:11,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:08:11,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133947337] [2020-07-20 16:08:11,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:08:11,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:11,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:08:11,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:08:11,901 INFO L87 Difference]: Start difference. First operand 1076 states and 1416 transitions. Second operand 10 states. [2020-07-20 16:08:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:12,007 INFO L93 Difference]: Finished difference Result 2122 states and 2793 transitions. [2020-07-20 16:08:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 16:08:12,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-07-20 16:08:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:12,015 INFO L225 Difference]: With dead ends: 2122 [2020-07-20 16:08:12,016 INFO L226 Difference]: Without dead ends: 1078 [2020-07-20 16:08:12,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 16:08:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2020-07-20 16:08:12,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1074. [2020-07-20 16:08:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-07-20 16:08:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1406 transitions. [2020-07-20 16:08:12,070 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1406 transitions. Word has length 216 [2020-07-20 16:08:12,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:12,074 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1406 transitions. [2020-07-20 16:08:12,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:08:12,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1406 transitions. [2020-07-20 16:08:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-07-20 16:08:12,078 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:12,079 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:08:12,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:12,280 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:12,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:12,280 INFO L82 PathProgramCache]: Analyzing trace with hash -429350671, now seen corresponding path program 1 times [2020-07-20 16:08:12,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:12,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1467797533] [2020-07-20 16:08:12,281 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 [2020-07-20 16:08:14,917 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:08:14,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:14,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:08:14,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:14,971 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:08:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 16:08:15,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:08:15,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1467797533] [2020-07-20 16:08:15,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:08:15,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:08:15,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239431545] [2020-07-20 16:08:15,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:08:15,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:15,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:08:15,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:08:15,035 INFO L87 Difference]: Start difference. First operand 1074 states and 1406 transitions. Second operand 6 states. [2020-07-20 16:08:15,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:15,143 INFO L93 Difference]: Finished difference Result 2123 states and 2781 transitions. [2020-07-20 16:08:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:08:15,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-07-20 16:08:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:15,152 INFO L225 Difference]: With dead ends: 2123 [2020-07-20 16:08:15,152 INFO L226 Difference]: Without dead ends: 1075 [2020-07-20 16:08:15,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:08:15,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2020-07-20 16:08:15,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1075. [2020-07-20 16:08:15,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-07-20 16:08:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1407 transitions. [2020-07-20 16:08:15,227 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1407 transitions. Word has length 219 [2020-07-20 16:08:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:15,228 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1407 transitions. [2020-07-20 16:08:15,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:08:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1407 transitions. [2020-07-20 16:08:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-20 16:08:15,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:15,237 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:08:15,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:15,453 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:15,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:15,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1355087403, now seen corresponding path program 1 times [2020-07-20 16:08:15,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:15,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622742343] [2020-07-20 16:08:15,455 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 [2020-07-20 16:08:18,113 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:08:18,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:18,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 2467 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:08:18,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:18,164 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:08:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 16:08:18,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:08:18,532 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:08:18,571 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 16:08:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-07-20 16:08:18,775 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622742343] [2020-07-20 16:08:18,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:08:18,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2020-07-20 16:08:18,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013652628] [2020-07-20 16:08:18,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 16:08:18,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:18,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 16:08:18,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-20 16:08:18,777 INFO L87 Difference]: Start difference. First operand 1075 states and 1407 transitions. Second operand 11 states. [2020-07-20 16:08:18,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:18,870 INFO L93 Difference]: Finished difference Result 2124 states and 2782 transitions. [2020-07-20 16:08:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:08:18,871 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 220 [2020-07-20 16:08:18,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:18,877 INFO L225 Difference]: With dead ends: 2124 [2020-07-20 16:08:18,878 INFO L226 Difference]: Without dead ends: 1076 [2020-07-20 16:08:18,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 16:08:18,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-07-20 16:08:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2020-07-20 16:08:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-07-20 16:08:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1408 transitions. [2020-07-20 16:08:18,923 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1408 transitions. Word has length 220 [2020-07-20 16:08:18,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:18,924 INFO L479 AbstractCegarLoop]: Abstraction has 1076 states and 1408 transitions. [2020-07-20 16:08:18,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 16:08:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1408 transitions. [2020-07-20 16:08:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-20 16:08:18,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:18,929 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 16:08:19,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:19,130 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:19,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:19,131 INFO L82 PathProgramCache]: Analyzing trace with hash 11844977, now seen corresponding path program 2 times [2020-07-20 16:08:19,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:19,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084352185] [2020-07-20 16:08:19,132 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 [2020-07-20 16:08:22,306 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:08:22,306 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:22,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:08:22,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:22,377 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:08:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 84 proven. 3 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 16:08:22,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:08:22,689 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:08:22,730 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 16:08:22,975 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-07-20 16:08:22,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2084352185] [2020-07-20 16:08:22,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:08:22,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2020-07-20 16:08:22,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701127947] [2020-07-20 16:08:22,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-20 16:08:22,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:22,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-20 16:08:22,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-07-20 16:08:22,978 INFO L87 Difference]: Start difference. First operand 1076 states and 1408 transitions. Second operand 13 states. [2020-07-20 16:08:23,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:23,091 INFO L93 Difference]: Finished difference Result 2125 states and 2783 transitions. [2020-07-20 16:08:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:08:23,092 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 221 [2020-07-20 16:08:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:23,098 INFO L225 Difference]: With dead ends: 2125 [2020-07-20 16:08:23,098 INFO L226 Difference]: Without dead ends: 1077 [2020-07-20 16:08:23,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2020-07-20 16:08:23,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-07-20 16:08:23,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2020-07-20 16:08:23,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-07-20 16:08:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1409 transitions. [2020-07-20 16:08:23,146 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1409 transitions. Word has length 221 [2020-07-20 16:08:23,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:23,147 INFO L479 AbstractCegarLoop]: Abstraction has 1077 states and 1409 transitions. [2020-07-20 16:08:23,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-20 16:08:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1409 transitions. [2020-07-20 16:08:23,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-20 16:08:23,152 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:23,152 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 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] [2020-07-20 16:08:23,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:23,353 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:23,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:23,353 INFO L82 PathProgramCache]: Analyzing trace with hash -562924203, now seen corresponding path program 3 times [2020-07-20 16:08:23,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:23,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [229572674] [2020-07-20 16:08:23,354 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 [2020-07-20 16:08:26,467 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:08:26,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:26,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:08:26,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:26,533 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 16:08:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2020-07-20 16:08:26,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:08:26,831 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 16:08:26,868 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 16:08:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-07-20 16:08:27,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [229572674] [2020-07-20 16:08:27,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:08:27,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2020-07-20 16:08:27,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954427582] [2020-07-20 16:08:27,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-20 16:08:27,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:27,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-20 16:08:27,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-07-20 16:08:27,116 INFO L87 Difference]: Start difference. First operand 1077 states and 1409 transitions. Second operand 15 states. [2020-07-20 16:08:27,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:27,227 INFO L93 Difference]: Finished difference Result 2126 states and 2784 transitions. [2020-07-20 16:08:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 16:08:27,228 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2020-07-20 16:08:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:27,234 INFO L225 Difference]: With dead ends: 2126 [2020-07-20 16:08:27,234 INFO L226 Difference]: Without dead ends: 1078 [2020-07-20 16:08:27,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 427 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-07-20 16:08:27,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2020-07-20 16:08:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1078. [2020-07-20 16:08:27,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-07-20 16:08:27,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1410 transitions. [2020-07-20 16:08:27,280 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1410 transitions. Word has length 222 [2020-07-20 16:08:27,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:27,280 INFO L479 AbstractCegarLoop]: Abstraction has 1078 states and 1410 transitions. [2020-07-20 16:08:27,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-20 16:08:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1410 transitions. [2020-07-20 16:08:27,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-20 16:08:27,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:08:27,286 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] [2020-07-20 16:08:27,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:27,487 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:08:27,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:08:27,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1200899599, now seen corresponding path program 4 times [2020-07-20 16:08:27,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:08:27,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53885764] [2020-07-20 16:08:27,489 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 [2020-07-20 16:08:34,564 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:08:34,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:08:34,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 2614 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:08:34,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:08:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-20 16:08:34,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:08:34,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53885764] [2020-07-20 16:08:34,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:08:34,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 16:08:34,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886532682] [2020-07-20 16:08:34,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 16:08:34,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:08:34,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 16:08:34,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:08:34,691 INFO L87 Difference]: Start difference. First operand 1078 states and 1410 transitions. Second operand 7 states. [2020-07-20 16:08:34,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:08:34,729 INFO L93 Difference]: Finished difference Result 1082 states and 1414 transitions. [2020-07-20 16:08:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:08:34,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-07-20 16:08:34,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:08:34,730 INFO L225 Difference]: With dead ends: 1082 [2020-07-20 16:08:34,730 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:08:34,736 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 [2020-07-20 16:08:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:08:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:08:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:08:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:08:34,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2020-07-20 16:08:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:08:34,738 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:08:34,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 16:08:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:08:34,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:08:34,950 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:08:34,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:08:37,840 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeEXIT(lines 6455 6470) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point L6459(lines 6459 6468) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point L6460-1(line 6460) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point L6460(line 6460) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point L6461(lines 6461 6465) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeENTRY(lines 6455 6470) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_i_mutex_of_inodeFINAL(lines 6455 6470) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceENTRY(lines 6664 6680) no Hoare annotation was computed. [2020-07-20 16:08:37,841 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceFINAL(lines 6664 6680) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6672(line 6672) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6673(lines 6673 6678) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_mutex_of_deviceEXIT(lines 6664 6680) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6668-1(lines 6668 6671) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6668(lines 6668 6671) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6669(line 6669) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceENTRY(lines 6743 6758) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6747(lines 6747 6756) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6748-1(line 6748) no Hoare annotation was computed. [2020-07-20 16:08:37,842 INFO L268 CegarLoopResult]: For program point L6748(line 6748) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point L6749(lines 6749 6753) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceEXIT(lines 6743 6758) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_mutex_of_deviceFINAL(lines 6743 6758) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point usbnet_resumeFINAL(lines 7012 7014) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L271 CegarLoopResult]: At program point usbnet_resumeENTRY(lines 7012 7014) the Hoare annotation is: true [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point usbnet_resumeEXIT(lines 7012 7014) no Hoare annotation was computed. [2020-07-20 16:08:37,843 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))) [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point L6845-1(lines 6845 6848) no Hoare annotation was computed. [2020-07-20 16:08:37,843 INFO L268 CegarLoopResult]: For program point L6845(lines 6845 6848) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevFINAL(lines 6842 6852) no Hoare annotation was computed. [2020-07-20 16:08:37,844 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))) [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_udevEXIT(lines 6842 6852) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeENTRY(lines 6376 6392) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point L6384(line 6384) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point L6385(lines 6385 6390) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point L6380-1(lines 6380 6383) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point L6380(lines 6380 6383) no Hoare annotation was computed. [2020-07-20 16:08:37,844 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeEXIT(lines 6376 6392) no Hoare annotation was computed. [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point L6381(line 6381) no Hoare annotation was computed. [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_i_mutex_of_inodeFINAL(lines 6376 6392) no Hoare annotation was computed. [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevEXIT(lines 6903 6913) no Hoare annotation was computed. [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point L6906(lines 6906 6909) no Hoare annotation was computed. [2020-07-20 16:08:37,845 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))) [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point L6906-1(lines 6906 6909) no Hoare annotation was computed. [2020-07-20 16:08:37,845 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))) [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_udevFINAL(lines 6903 6913) no Hoare annotation was computed. [2020-07-20 16:08:37,845 INFO L271 CegarLoopResult]: At program point ldv_undef_intENTRY(lines 5765 5772) the Hoare annotation is: true [2020-07-20 16:08:37,845 INFO L268 CegarLoopResult]: For program point ldv_undef_intFINAL(lines 5765 5772) no Hoare annotation was computed. [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point ldv_undef_intEXIT(lines 5765 5772) no Hoare annotation was computed. [2020-07-20 16:08:37,846 INFO L271 CegarLoopResult]: At program point L6047(line 6047) the Hoare annotation is: true [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 5968 6218) no Hoare annotation was computed. [2020-07-20 16:08:37,846 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))) [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point L6196(lines 6196 6200) no Hoare annotation was computed. [2020-07-20 16:08:37,846 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))) [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point L6130-1(line 6130) no Hoare annotation was computed. [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point L5998-1(line 5998) no Hoare annotation was computed. [2020-07-20 16:08:37,846 INFO L268 CegarLoopResult]: For program point L6131(lines 6131 6139) no Hoare annotation was computed. [2020-07-20 16:08:37,847 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))) [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6197-1(line 6197) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6131-2(lines 6129 6145) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6082(line 6082) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6148(line 6148) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6016(lines 6016 6211) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6099(line 6099) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6000-1(line 6000) no Hoare annotation was computed. [2020-07-20 16:08:37,847 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))) [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 5968 6218) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6215(line 6215) no Hoare annotation was computed. [2020-07-20 16:08:37,847 INFO L268 CegarLoopResult]: For program point L6083(lines 6083 6087) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L271 CegarLoopResult]: At program point L6149(line 6149) the Hoare annotation is: true [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6116(line 6116) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6017(line 6017) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6166(line 6166) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6100(lines 6100 6107) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6084-1(line 6084) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6018(lines 6018 6033) no Hoare annotation was computed. [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6117(lines 6117 6153) no Hoare annotation was computed. [2020-07-20 16:08:37,848 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))) [2020-07-20 16:08:37,848 INFO L271 CegarLoopResult]: At program point L6167(line 6167) the Hoare annotation is: true [2020-07-20 16:08:37,848 INFO L268 CegarLoopResult]: For program point L6035(line 6035) no Hoare annotation was computed. [2020-07-20 16:08:37,848 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))) [2020-07-20 16:08:37,849 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))) [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6068(line 6068) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6101-1(line 6101) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6002-1(line 6002) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6184(line 6184) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6102(lines 6102 6105) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6069-2(lines 6056 6111) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6069(lines 6069 6074) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6036(lines 6036 6051) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6119(lines 6119 6150) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L271 CegarLoopResult]: At program point L6185(line 6185) the Hoare annotation is: true [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6053(line 6053) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6020(lines 6020 6030) no Hoare annotation was computed. [2020-07-20 16:08:37,849 INFO L268 CegarLoopResult]: For program point L6202(line 6202) no Hoare annotation was computed. [2020-07-20 16:08:37,850 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))) [2020-07-20 16:08:37,850 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))) [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6070-1(line 6070) no Hoare annotation was computed. [2020-07-20 16:08:37,850 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))) [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6054(lines 6054 6114) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6120(line 6120) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6021(line 6021) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L271 CegarLoopResult]: At program point L6203(line 6203) the Hoare annotation is: true [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6038(lines 6038 6048) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6005(line 6005) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6022(lines 6022 6026) no Hoare annotation was computed. [2020-07-20 16:08:37,850 INFO L268 CegarLoopResult]: For program point L6121(lines 6121 6126) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6039(line 6039) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6155(line 6155) no Hoare annotation was computed. [2020-07-20 16:08:37,851 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))) [2020-07-20 16:08:37,851 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))) [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6023-1(line 6023) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6089(line 6089) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6122-1(line 6122) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6056(lines 6056 6111) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6040(lines 6040 6044) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6090(lines 6090 6097) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6156(lines 6156 6171) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6057(line 6057) no Hoare annotation was computed. [2020-07-20 16:08:37,851 INFO L268 CegarLoopResult]: For program point L6173(line 6173) no Hoare annotation was computed. [2020-07-20 16:08:37,852 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))) [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L6041-1(line 6041) no Hoare annotation was computed. [2020-07-20 16:08:37,852 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))) [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L6058(lines 6058 6066) no Hoare annotation was computed. [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L6091-1(line 6091) no Hoare annotation was computed. [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L5992-1(line 5992) no Hoare annotation was computed. [2020-07-20 16:08:37,852 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))) [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L6174(lines 6174 6189) no Hoare annotation was computed. [2020-07-20 16:08:37,852 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))) [2020-07-20 16:08:37,852 INFO L268 CegarLoopResult]: For program point L6191(line 6191) no Hoare annotation was computed. [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6158(lines 6158 6168) no Hoare annotation was computed. [2020-07-20 16:08:37,853 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))) [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6059-1(line 6059) no Hoare annotation was computed. [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6092(lines 6092 6095) no Hoare annotation was computed. [2020-07-20 16:08:37,853 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))) [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6076-1(line 6076) no Hoare annotation was computed. [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6109(line 6109) no Hoare annotation was computed. [2020-07-20 16:08:37,853 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))) [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6159(line 6159) no Hoare annotation was computed. [2020-07-20 16:08:37,853 INFO L268 CegarLoopResult]: For program point L6192(lines 6192 6207) no Hoare annotation was computed. [2020-07-20 16:08:37,854 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))) [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L6060(lines 6060 6064) no Hoare annotation was computed. [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L5994-1(line 5994) no Hoare annotation was computed. [2020-07-20 16:08:37,854 INFO L271 CegarLoopResult]: At program point L6110(line 6110) the Hoare annotation is: true [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L6209(line 6209) no Hoare annotation was computed. [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L6176(lines 6176 6186) no Hoare annotation was computed. [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L6160(lines 6160 6164) no Hoare annotation was computed. [2020-07-20 16:08:37,854 INFO L268 CegarLoopResult]: For program point L6028(line 6028) no Hoare annotation was computed. [2020-07-20 16:08:37,855 INFO L271 CegarLoopResult]: At program point L6210(line 6210) the Hoare annotation is: true [2020-07-20 16:08:37,855 INFO L268 CegarLoopResult]: For program point L6177(line 6177) no Hoare annotation was computed. [2020-07-20 16:08:37,855 INFO L268 CegarLoopResult]: For program point L6194(lines 6194 6204) no Hoare annotation was computed. [2020-07-20 16:08:37,855 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))) [2020-07-20 16:08:37,855 INFO L268 CegarLoopResult]: For program point L6128(line 6128) no Hoare annotation was computed. [2020-07-20 16:08:37,855 INFO L268 CegarLoopResult]: For program point L6161-1(line 6161) no Hoare annotation was computed. [2020-07-20 16:08:37,855 INFO L268 CegarLoopResult]: For program point L5996-1(line 5996) no Hoare annotation was computed. [2020-07-20 16:08:37,855 INFO L271 CegarLoopResult]: At program point L6029(line 6029) the Hoare annotation is: true [2020-07-20 16:08:37,855 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))) [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point L6178(lines 6178 6182) no Hoare annotation was computed. [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point L6046(line 6046) no Hoare annotation was computed. [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point L6195(line 6195) no Hoare annotation was computed. [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point L6129(lines 6129 6146) no Hoare annotation was computed. [2020-07-20 16:08:37,856 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))) [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point L6179-1(line 6179) no Hoare annotation was computed. [2020-07-20 16:08:37,856 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))) [2020-07-20 16:08:37,856 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11EXIT(lines 6272 6279) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6275(line 6275) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6275-1(line 6275) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11ENTRY(lines 6272 6279) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_11FINAL(lines 6272 6279) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockFINAL(lines 6537 6553) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6546(lines 6546 6551) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6542(line 6542) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockENTRY(lines 6537 6553) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6545(line 6545) no Hoare annotation was computed. [2020-07-20 16:08:37,857 INFO L268 CegarLoopResult]: For program point L6541-1(lines 6541 6544) no Hoare annotation was computed. [2020-07-20 16:08:37,858 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_lockEXIT(lines 6537 6553) no Hoare annotation was computed. [2020-07-20 16:08:37,858 INFO L268 CegarLoopResult]: For program point L6541(lines 6541 6544) no Hoare annotation was computed. [2020-07-20 16:08:37,858 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13EXIT(lines 6288 6295) no Hoare annotation was computed. [2020-07-20 16:08:37,858 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))) [2020-07-20 16:08:37,858 INFO L268 CegarLoopResult]: For program point ldv___ldv_usb_unlock_device_13FINAL(lines 6288 6295) no Hoare annotation was computed. [2020-07-20 16:08:37,858 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))) [2020-07-20 16:08:37,858 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))) [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeENTRY(lines 6482 6488) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeFINAL(lines 6482 6488) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_i_mutex_of_inodeEXIT(lines 6482 6488) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6718(lines 6718 6723) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6714(line 6714) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6717(line 6717) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6713-1(lines 6713 6716) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6713(lines 6713 6716) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceEXIT(lines 6709 6725) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceENTRY(lines 6709 6725) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_mutex_of_deviceFINAL(lines 6709 6725) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7ENTRY(lines 6235 6242) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6238(line 6238) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7EXIT(lines 6235 6242) no Hoare annotation was computed. [2020-07-20 16:08:37,859 INFO L268 CegarLoopResult]: For program point L6238-1(line 6238) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_7FINAL(lines 6235 6242) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_stopEXIT(lines 5781 5787) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L271 CegarLoopResult]: At program point ldv_stopENTRY(lines 5781 5787) the Hoare annotation is: true [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point L6398(line 6398) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point L6401(line 6401) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point L6397-1(lines 6397 6400) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point L6397(lines 6397 6400) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeFINAL(lines 6393 6409) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeENTRY(lines 6393 6409) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_i_mutex_of_inodeEXIT(lines 6393 6409) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point L6402(lines 6402 6407) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeEXIT(lines 6512 6518) no Hoare annotation was computed. [2020-07-20 16:08:37,860 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeFINAL(lines 6512 6518) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_i_mutex_of_inodeENTRY(lines 6512 6518) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point dummy_postresetEXIT(lines 5924 5929) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point dummy_postresetENTRY(lines 5924 5929) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point dummy_postresetFINAL(lines 5924 5929) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L271 CegarLoopResult]: At program point ldv_initializeFINAL(lines 6976 6978) the Hoare annotation is: true [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point ldv_initializeEXIT(lines 6976 6978) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L271 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,861 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,862 INFO L268 CegarLoopResult]: For program point usb_deregisterEXIT(lines 6993 6995) no Hoare annotation was computed. [2020-07-20 16:08:37,862 INFO L268 CegarLoopResult]: For program point usb_deregisterFINAL(lines 6993 6995) no Hoare annotation was computed. [2020-07-20 16:08:37,862 INFO L271 CegarLoopResult]: At program point usb_deregisterENTRY(lines 6993 6995) the Hoare annotation is: true [2020-07-20 16:08:37,862 INFO L271 CegarLoopResult]: At program point ldv_undef_int_negativeENTRY(lines 6325 6338) the Hoare annotation is: true [2020-07-20 16:08:37,862 INFO L271 CegarLoopResult]: At program point L6330(line 6330) the Hoare annotation is: true [2020-07-20 16:08:37,862 INFO L268 CegarLoopResult]: For program point L6332-1(lines 6332 6335) no Hoare annotation was computed. [2020-07-20 16:08:37,862 INFO L268 CegarLoopResult]: For program point L6332(lines 6332 6335) no Hoare annotation was computed. [2020-07-20 16:08:37,862 INFO L271 CegarLoopResult]: At program point L6333(line 6333) the Hoare annotation is: true [2020-07-20 16:08:37,862 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeFINAL(lines 6325 6338) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6330-1(line 6330) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_undef_int_negativeEXIT(lines 6325 6338) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6414(line 6414) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeFINAL(lines 6410 6420) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6413-1(lines 6413 6416) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6413(lines 6413 6416) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeENTRY(lines 6410 6420) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_i_mutex_of_inodeEXIT(lines 6410 6420) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevFINAL(lines 6921 6928) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6925-1(line 6925) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point L6925(line 6925) no Hoare annotation was computed. [2020-07-20 16:08:37,863 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevENTRY(lines 6921 6928) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_udevEXIT(lines 6921 6928) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L271 CegarLoopResult]: At program point usbnet_probeENTRY(lines 7008 7010) the Hoare annotation is: true [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point usbnet_probeFINAL(lines 7008 7010) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point usbnet_probeEXIT(lines 7008 7010) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point L6574(lines 6574 6579) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockEXIT(lines 6565 6581) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point L6570(line 6570) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockENTRY(lines 6565 6581) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_lockFINAL(lines 6565 6581) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point L6573(line 6573) no Hoare annotation was computed. [2020-07-20 16:08:37,864 INFO L268 CegarLoopResult]: For program point L6569-1(lines 6569 6572) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point L6569(lines 6569 6572) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point L6222(line 6222) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5EXIT(lines 6219 6226) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point L6222-1(line 6222) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5ENTRY(lines 6219 6226) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_5FINAL(lines 6219 6226) no Hoare annotation was computed. [2020-07-20 16:08:37,865 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_exitENTRY(lines 5945 5951) the Hoare annotation is: true [2020-07-20 16:08:37,865 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitEXIT(lines 5945 5951) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_exitFINAL(lines 5945 5951) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L271 CegarLoopResult]: At program point usbnet_disconnectENTRY(lines 7004 7006) the Hoare annotation is: true [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point usbnet_disconnectFINAL(lines 7004 7006) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point usbnet_disconnectEXIT(lines 7004 7006) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevFINAL(lines 6808 6824) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point L6816(line 6816) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point L6817(lines 6817 6822) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point L6812-1(lines 6812 6815) no Hoare annotation was computed. [2020-07-20 16:08:37,866 INFO L268 CegarLoopResult]: For program point L6812(lines 6812 6815) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point L6813(line 6813) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevENTRY(lines 6808 6824) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_udevEXIT(lines 6808 6824) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockFINAL(lines 6626 6632) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockENTRY(lines 6626 6632) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_lockEXIT(lines 6626 6632) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceEXIT(lines 6770 6776) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceENTRY(lines 6770 6776) no Hoare annotation was computed. [2020-07-20 16:08:37,867 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_mutex_of_deviceFINAL(lines 6770 6776) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L271 CegarLoopResult]: At program point usb_register_driverENTRY(lines 6997 6999) the Hoare annotation is: true [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point usb_register_driverFINAL(lines 6997 6999) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point usb_register_driverEXIT(lines 6997 6999) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceEXIT(lines 6785 6799) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6795-1(line 6795) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6795(line 6795) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceENTRY(lines 6785 6799) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_mutex_of_deviceFINAL(lines 6785 6799) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6790(line 6790) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6791(lines 6791 6797) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6792-1(line 6792) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6792(line 6792) no Hoare annotation was computed. [2020-07-20 16:08:37,868 INFO L268 CegarLoopResult]: For program point L6790-1(line 6790) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceEXIT(lines 6777 6784) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point L6781-1(line 6781) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point L6781(line 6781) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceENTRY(lines 6777 6784) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_mutex_of_deviceFINAL(lines 6777 6784) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12FINAL(lines 6280 6287) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point L6284-1(line 6284) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_12EXIT(lines 6280 6287) no Hoare annotation was computed. [2020-07-20 16:08:37,869 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))) [2020-07-20 16:08:37,869 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))) [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_is_errEXIT(lines 6339 6344) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_is_errENTRY(lines 6339 6344) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_is_errFINAL(lines 6339 6344) no Hoare annotation was computed. [2020-07-20 16:08:37,869 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8ENTRY(lines 6243 6255) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8EXIT(lines 6243 6255) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L6251(line 6251) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L6251-1(line 6251) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_8FINAL(lines 6243 6255) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L6249(line 6249) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L6249-1(line 6249) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point usbnet_suspendFINAL(lines 7016 7018) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L271 CegarLoopResult]: At program point usbnet_suspendENTRY(lines 7016 7018) the Hoare annotation is: true [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point usbnet_suspendEXIT(lines 7016 7018) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initEXIT(lines 5937 5944) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L271 CegarLoopResult]: At program point cdc_subset_driver_initENTRY(lines 5937 5944) the Hoare annotation is: true [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point cdc_subset_driver_initFINAL(lines 5937 5944) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L271 CegarLoopResult]: At program point L5941(line 5941) the Hoare annotation is: true [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L5941-1(line 5941) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point ldv_mallocENTRY(lines 5712 5728) no Hoare annotation was computed. [2020-07-20 16:08:37,870 INFO L268 CegarLoopResult]: For program point L5724-1(line 5724) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L5724(line 5724) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L5719(lines 5719 5726) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 5712 5728) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 5712 5728) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6558(line 6558) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockFINAL(lines 6554 6564) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6557-1(lines 6557 6560) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6557(lines 6557 6560) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockENTRY(lines 6554 6564) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_lockEXIT(lines 6554 6564) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6430(lines 6430 6435) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6426(line 6426) no Hoare annotation was computed. [2020-07-20 16:08:37,871 INFO L268 CegarLoopResult]: For program point L6429(line 6429) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6425-1(lines 6425 6428) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6425(lines 6425 6428) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeEXIT(lines 6421 6437) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeENTRY(lines 6421 6437) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_i_mutex_of_inodeFINAL(lines 6421 6437) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6878(line 6878) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6879(lines 6879 6883) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevEXIT(lines 6870 6886) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6874(lines 6874 6877) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6875(line 6875) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevENTRY(lines 6870 6886) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_udevFINAL(lines 6870 6886) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L6874-1(lines 6874 6877) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L271 CegarLoopResult]: At program point L5963(line 5963) the Hoare annotation is: true [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point L5963-1(line 5963) no Hoare annotation was computed. [2020-07-20 16:08:37,872 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1EXIT(lines 5959 5967) no Hoare annotation was computed. [2020-07-20 16:08:37,873 INFO L271 CegarLoopResult]: At program point ldv_usb_driver_1ENTRY(lines 5959 5967) the Hoare annotation is: true [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point ldv_usb_driver_1FINAL(lines 5959 5967) no Hoare annotation was computed. [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point L5840-1(line 5840) no Hoare annotation was computed. [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point L5841(lines 5841 5844) no Hoare annotation was computed. [2020-07-20 16:08:37,873 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))) [2020-07-20 16:08:37,873 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))) [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point m5632_recoverFINAL(lines 5832 5849) no Hoare annotation was computed. [2020-07-20 16:08:37,873 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))) [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point m5632_recoverEXIT(lines 5832 5849) no Hoare annotation was computed. [2020-07-20 16:08:37,873 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))) [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point L5845-1(line 5845) no Hoare annotation was computed. [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point ldv_ptr_errENTRY(lines 6351 6356) no Hoare annotation was computed. [2020-07-20 16:08:37,873 INFO L268 CegarLoopResult]: For program point ldv_ptr_errFINAL(lines 6351 6356) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point ldv_ptr_errEXIT(lines 6351 6356) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceFINAL(lines 6973 6975) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L271 CegarLoopResult]: At program point __ldv_usb_unlock_deviceENTRY(lines 6973 6975) the Hoare annotation is: true [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point __ldv_usb_unlock_deviceEXIT(lines 6973 6975) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point L6603(lines 6603 6612) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point L6604-1(line 6604) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point L6604(line 6604) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point L6605(lines 6605 6609) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockEXIT(lines 6599 6614) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockENTRY(lines 6599 6614) no Hoare annotation was computed. [2020-07-20 16:08:37,874 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_lockFINAL(lines 6599 6614) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point dummy_preresetENTRY(lines 5918 5923) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point dummy_preresetFINAL(lines 5918 5923) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point dummy_preresetEXIT(lines 5918 5923) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevEXIT(lines 6929 6943) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point L6939-1(line 6939) no Hoare annotation was computed. [2020-07-20 16:08:37,875 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))) [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_udevFINAL(lines 6929 6943) no Hoare annotation was computed. [2020-07-20 16:08:37,875 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))) [2020-07-20 16:08:37,875 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))) [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point L6935(lines 6935 6941) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point L6936-1(line 6936) no Hoare annotation was computed. [2020-07-20 16:08:37,875 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))) [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point L6934-1(line 6934) no Hoare annotation was computed. [2020-07-20 16:08:37,875 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1FINAL(lines 6980 6982) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_reset_resume_1EXIT(lines 6980 6982) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L271 CegarLoopResult]: At program point ldv_reset_resume_1ENTRY(lines 6980 6982) the Hoare annotation is: true [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point L6366(lines 6366 6370) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point L6362(lines 6362 6371) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point L6365-1(line 6365) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point L6366-2(lines 6362 6371) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point L6365(line 6365) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullENTRY(lines 6357 6374) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullEXIT(lines 6357 6374) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_is_err_or_nullFINAL(lines 6357 6374) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 7020 7022) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point kfreeENTRY(lines 7020 7022) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point kfreeFINAL(lines 7020 7022) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6ENTRY(lines 6227 6234) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6EXIT(lines 6227 6234) no Hoare annotation was computed. [2020-07-20 16:08:37,876 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_6FINAL(lines 6227 6234) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6230(line 6230) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6230-1(line 6230) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_err_ptrEXIT(lines 6345 6350) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_err_ptrENTRY(lines 6345 6350) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_err_ptrFINAL(lines 6345 6350) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevEXIT(lines 6853 6869) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevENTRY(lines 6853 6869) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6862(lines 6862 6867) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6858(line 6858) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6861(line 6861) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6857-1(lines 6857 6860) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point L6857(lines 6857 6860) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_trylock_udevFINAL(lines 6853 6869) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9ENTRY(lines 6256 6263) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9EXIT(lines 6256 6263) no Hoare annotation was computed. [2020-07-20 16:08:37,877 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_9FINAL(lines 6256 6263) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point L6259(line 6259) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point L6259-1(line 6259) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point mutex_trylockENTRY(lines 6987 6989) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point mutex_trylockEXIT(lines 6987 6989) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point mutex_trylockFINAL(lines 6987 6989) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockENTRY(lines 6615 6625) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point L6618(lines 6618 6621) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point L6619(line 6619) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockEXIT(lines 6615 6625) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_lockFINAL(lines 6615 6625) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point L6618-1(lines 6618 6621) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevFINAL(lines 6914 6920) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevEXIT(lines 6914 6920) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_udevENTRY(lines 6914 6920) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceFINAL(lines 6800 6806) no Hoare annotation was computed. [2020-07-20 16:08:37,878 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceENTRY(lines 6800 6806) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_mutex_of_deviceEXIT(lines 6800 6806) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point L6267(line 6267) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10ENTRY(lines 6264 6271) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point L6267-1(line 6267) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10FINAL(lines 6264 6271) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_10EXIT(lines 6264 6271) no Hoare annotation was computed. [2020-07-20 16:08:37,879 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))) [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevFINAL(lines 6944 6950) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_udevEXIT(lines 6944 6950) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point mutex_unlockENTRY(lines 6990 6992) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point mutex_unlockEXIT(lines 6990 6992) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point mutex_unlockFINAL(lines 6990 6992) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point L6686(line 6686) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point L6689(line 6689) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceENTRY(lines 6681 6697) no Hoare annotation was computed. [2020-07-20 16:08:37,879 INFO L268 CegarLoopResult]: For program point L6685-1(lines 6685 6688) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6685(lines 6685 6688) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceEXIT(lines 6681 6697) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_mutex_of_deviceFINAL(lines 6681 6697) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6690(lines 6690 6695) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_errorFINAL(lines 6318 6324) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L271 CegarLoopResult]: At program point ldv_errorENTRY(lines 6318 6324) the Hoare annotation is: true [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6322) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_errorEXIT(lines 6318 6324) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevENTRY(lines 6887 6902) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6891(lines 6891 6900) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6892-1(line 6892) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6892(line 6892) no Hoare annotation was computed. [2020-07-20 16:08:37,880 INFO L268 CegarLoopResult]: For program point L6893(lines 6893 6897) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevFINAL(lines 6887 6902) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_mutex_is_locked_udevEXIT(lines 6887 6902) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L271 CegarLoopResult]: At program point usb_reset_deviceENTRY(lines 7001 7003) the Hoare annotation is: true [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point usb_reset_deviceFINAL(lines 7001 7003) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point usb_reset_deviceEXIT(lines 7001 7003) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongENTRY(lines 5773 5780) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongEXIT(lines 5773 5780) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_undef_ulongFINAL(lines 5773 5780) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L271 CegarLoopResult]: At program point always_connectedENTRY(lines 5826 5831) the Hoare annotation is: true [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point always_connectedFINAL(lines 5826 5831) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point always_connectedEXIT(lines 5826 5831) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15FINAL(lines 6310 6317) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point ldv_usb_deregister_15EXIT(lines 6310 6317) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L268 CegarLoopResult]: For program point L6313-1(line 6313) no Hoare annotation was computed. [2020-07-20 16:08:37,881 INFO L271 CegarLoopResult]: At program point ldv_usb_deregister_15ENTRY(lines 6310 6317) the Hoare annotation is: true [2020-07-20 16:08:37,881 INFO L271 CegarLoopResult]: At program point L6313(line 6313) the Hoare annotation is: true [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point L6762(lines 6762 6765) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point L6763(line 6763) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceEXIT(lines 6759 6769) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point L6762-1(lines 6762 6765) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceENTRY(lines 6759 6769) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_mutex_of_deviceFINAL(lines 6759 6769) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L271 CegarLoopResult]: At program point L6302(line 6302) the Hoare annotation is: true [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14FINAL(lines 6296 6309) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point L6306-1(line 6306) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point ldv_usb_register_driver_14EXIT(lines 6296 6309) no Hoare annotation was computed. [2020-07-20 16:08:37,882 INFO L268 CegarLoopResult]: For program point L6302-1(line 6302) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L271 CegarLoopResult]: At program point ldv_usb_register_driver_14ENTRY(lines 6296 6309) the Hoare annotation is: true [2020-07-20 16:08:37,883 INFO L271 CegarLoopResult]: At program point L6306(line 6306) the Hoare annotation is: true [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-20 16:08:37,883 INFO L271 CegarLoopResult]: At program point #Ultimate.C_memsetENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point #Ultimate.C_memsetFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockENTRY(lines 6641 6655) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6651-1(line 6651) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6651(line 6651) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6646(line 6646) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6647(lines 6647 6653) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6648-1(line 6648) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockFINAL(lines 6641 6655) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point L6648(line 6648) no Hoare annotation was computed. [2020-07-20 16:08:37,883 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_lockEXIT(lines 6641 6655) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6646-1(line 6646) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6834(lines 6834 6839) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevFINAL(lines 6825 6841) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6830(line 6830) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6833(line 6833) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6829-1(lines 6829 6832) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6829(lines 6829 6832) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevEXIT(lines 6825 6841) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_killable_udevENTRY(lines 6825 6841) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeEXIT(lines 6489 6496) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeENTRY(lines 6489 6496) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_i_mutex_of_inodeFINAL(lines 6489 6496) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6493-1(line 6493) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L6493(line 6493) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L268 CegarLoopResult]: For program point L5710(line 5710) no Hoare annotation was computed. [2020-07-20 16:08:37,884 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 5709 5711) the Hoare annotation is: true [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L5710-2(lines 5709 5711) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 5709 5711) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point ldv_init_zallocFINAL(lines 5746 5756) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point ldv_init_zallocEXIT(lines 5746 5756) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L271 CegarLoopResult]: At program point L5751(line 5751) the Hoare annotation is: true [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L5751-1(line 5751) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L271 CegarLoopResult]: At program point ldv_init_zallocENTRY(lines 5746 5756) the Hoare annotation is: true [2020-07-20 16:08:37,885 INFO L271 CegarLoopResult]: At program point L5753(line 5753) the Hoare annotation is: true [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L5753-1(line 5753) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L6590(line 6590) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L6591(lines 6591 6595) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L6586(lines 6586 6589) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L6587(line 6587) no Hoare annotation was computed. [2020-07-20 16:08:37,885 INFO L268 CegarLoopResult]: For program point L6586-1(lines 6586 6589) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockFINAL(lines 6582 6598) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockENTRY(lines 6582 6598) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_lockEXIT(lines 6582 6598) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6507-1(line 6507) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6507(line 6507) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeENTRY(lines 6497 6511) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeFINAL(lines 6497 6511) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6502(line 6502) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6503(lines 6503 6509) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6504-1(line 6504) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6504(line 6504) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point ldv_usb_lock_device_for_reset_i_mutex_of_inodeEXIT(lines 6497 6511) no Hoare annotation was computed. [2020-07-20 16:08:37,886 INFO L268 CegarLoopResult]: For program point L6502-1(line 6502) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeFINAL(lines 6438 6454) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeENTRY(lines 6438 6454) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_i_mutex_of_inodeEXIT(lines 6438 6454) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6446(line 6446) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6447(lines 6447 6451) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6442(lines 6442 6445) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6443(line 6443) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6442-1(lines 6442 6445) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockFINAL(lines 6656 6662) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockENTRY(lines 6656 6662) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point ldv_usb_unlock_device_lockEXIT(lines 6656 6662) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6966(lines 6951 6972) no Hoare annotation was computed. [2020-07-20 16:08:37,887 INFO L268 CegarLoopResult]: For program point L6962(lines 6953 6971) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L6958(lines 6953 6971) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L6954(lines 6953 6971) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point ldv_check_final_stateEXIT(lines 6951 6972) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L271 CegarLoopResult]: At program point ldv_check_final_stateENTRY(lines 6951 6972) the Hoare annotation is: true [2020-07-20 16:08:37,888 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))) [2020-07-20 16:08:37,888 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))) [2020-07-20 16:08:37,888 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))) [2020-07-20 16:08:37,888 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))) [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L5739(line 5739) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L5739-1(line 5739) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L5741(line 5741) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L5741-1(line 5741) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point ldv_zallocEXIT(lines 5729 5745) no Hoare annotation was computed. [2020-07-20 16:08:37,888 INFO L268 CegarLoopResult]: For program point L5736(lines 5736 5743) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_zallocENTRY(lines 5729 5745) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_zallocFINAL(lines 5729 5745) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point mutex_lockENTRY(lines 6983 6985) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point mutex_lockFINAL(lines 6983 6985) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point mutex_lockEXIT(lines 6983 6985) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point L6637-1(line 6637) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point L6637(line 6637) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockEXIT(lines 6633 6640) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockFINAL(lines 6633 6640) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_usb_trylock_device_lockENTRY(lines 6633 6640) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceEXIT(lines 6726 6742) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceENTRY(lines 6726 6742) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point L6734(line 6734) no Hoare annotation was computed. [2020-07-20 16:08:37,889 INFO L268 CegarLoopResult]: For program point L6735(lines 6735 6739) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point L6730(lines 6730 6733) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point L6731(line 6731) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point ldv_atomic_dec_and_mutex_lock_mutex_of_deviceFINAL(lines 6726 6742) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point L6730-1(lines 6730 6733) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,890 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)) [2020-07-20 16:08:37,890 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:08:37,890 INFO L268 CegarLoopResult]: For program point ldv_memsetFINAL(lines 5757 5764) no Hoare annotation was computed. [2020-07-20 16:08:37,891 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))) [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L5761-1(line 5761) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L271 CegarLoopResult]: At program point ldv_memsetENTRY(lines 5757 5764) the Hoare annotation is: true [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point ldv_memsetEXIT(lines 5757 5764) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeFINAL(lines 6471 6481) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L6474(lines 6474 6477) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L6475(line 6475) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeEXIT(lines 6471 6481) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point ldv_mutex_unlock_i_mutex_of_inodeENTRY(lines 6471 6481) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L6474-1(lines 6474 6477) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L6528(line 6528) no Hoare annotation was computed. [2020-07-20 16:08:37,891 INFO L268 CegarLoopResult]: For program point L6529(lines 6529 6534) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6524-1(lines 6524 6527) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6524(lines 6524 6527) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6525(line 6525) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockFINAL(lines 6520 6536) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockEXIT(lines 6520 6536) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_interruptible_lockENTRY(lines 6520 6536) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6702(line 6702) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceENTRY(lines 6698 6708) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6701-1(lines 6701 6704) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point L6701(lines 6701 6704) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceFINAL(lines 6698 6708) no Hoare annotation was computed. [2020-07-20 16:08:37,892 INFO L268 CegarLoopResult]: For program point ldv_mutex_lock_mutex_of_deviceEXIT(lines 6698 6708) no Hoare annotation was computed. [2020-07-20 16:08:37,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:08:37 BoogieIcfgContainer [2020-07-20 16:08:37,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:08:37,912 INFO L168 Benchmark]: Toolchain (without parser) took 57899.26 ms. Allocated memory was 138.4 MB in the beginning and 628.6 MB in the end (delta: 490.2 MB). Free memory was 94.5 MB in the beginning and 202.1 MB in the end (delta: -107.6 MB). Peak memory consumption was 519.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,913 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,913 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1886.20 ms. Allocated memory was 138.4 MB in the beginning and 229.1 MB in the end (delta: 90.7 MB). Free memory was 94.1 MB in the beginning and 116.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,914 INFO L168 Benchmark]: Boogie Preprocessor took 295.06 ms. Allocated memory is still 229.1 MB. Free memory was 116.7 MB in the beginning and 104.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,914 INFO L168 Benchmark]: RCFGBuilder took 2455.44 ms. Allocated memory was 229.1 MB in the beginning and 263.7 MB in the end (delta: 34.6 MB). Free memory was 103.4 MB in the beginning and 117.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,915 INFO L168 Benchmark]: TraceAbstraction took 53256.05 ms. Allocated memory was 263.7 MB in the beginning and 628.6 MB in the end (delta: 364.9 MB). Free memory was 117.1 MB in the beginning and 202.1 MB in the end (delta: -85.1 MB). Peak memory consumption was 416.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:08:37,918 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1886.20 ms. Allocated memory was 138.4 MB in the beginning and 229.1 MB in the end (delta: 90.7 MB). Free memory was 94.1 MB in the beginning and 116.7 MB in the end (delta: -22.6 MB). Peak memory consumption was 74.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 295.06 ms. Allocated memory is still 229.1 MB. Free memory was 116.7 MB in the beginning and 104.4 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2455.44 ms. Allocated memory was 229.1 MB in the beginning and 263.7 MB in the end (delta: 34.6 MB). Free memory was 103.4 MB in the beginning and 117.1 MB in the end (delta: -13.6 MB). Peak memory consumption was 62.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53256.05 ms. Allocated memory was 263.7 MB in the beginning and 628.6 MB in the end (delta: 364.9 MB). Free memory was 117.1 MB in the beginning and 202.1 MB in the end (delta: -85.1 MB). Peak memory consumption was 416.9 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: 50.2s, OverallIterations: 14, TraceHistogramMax: 7, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4698 SDtfs, 2006 SDslu, 10957 SDs, 0 SdLazy, 229 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3310 GetRequests, 3234 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1079occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 159 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 94 LocationsWithAnnotation, 1853 PreInvPairs, 1922 NumberOfFragments, 1519 HoareAnnotationTreeSize, 1853 FomulaSimplifications, 1045 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 94 FomulaSimplificationsInter, 4179 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 39.0s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2652 NumberOfCodeBlocks, 2017 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3298 ConstructedInterpolants, 0 QuantifiedInterpolants, 971188 SizeOfPredicates, 19 NumberOfNonLiveVariables, 31821 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 5039/5059 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...