/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.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 0.2.1-dev-b7b32d2 [2021-02-22 00:36:39,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 00:36:39,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 00:36:39,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 00:36:39,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 00:36:39,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 00:36:39,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 00:36:39,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 00:36:39,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 00:36:39,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 00:36:39,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 00:36:39,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 00:36:39,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 00:36:39,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 00:36:39,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 00:36:39,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 00:36:39,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 00:36:39,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 00:36:39,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 00:36:39,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 00:36:39,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_64.epf [2021-02-22 00:36:39,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 00:36:39,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 00:36:39,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 00:36:39,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 00:36:39,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 00:36:39,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 00:36:39,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 00:36:39,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 00:36:39,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 00:36:39,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 00:36:39,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 00:36:39,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 00:36:39,779 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 00:36:39,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 00:36:39,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 00:36:39,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 00:36:39,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 00:36:39,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 00:36:39,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 00:36:39,781 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-22 00:36:40,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 00:36:40,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 00:36:40,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 00:36:40,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 00:36:40,273 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 00:36:40,276 INFO L432 ainManager$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 [2021-02-22 00:36:40,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a11a16e/05ff50259bae4407bb8ced278f4f331f/FLAGd282c00b9 [2021-02-22 00:36:41,454 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 00:36:41,455 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 [2021-02-22 00:36:41,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a11a16e/05ff50259bae4407bb8ced278f4f331f/FLAGd282c00b9 [2021-02-22 00:36:41,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38a11a16e/05ff50259bae4407bb8ced278f4f331f [2021-02-22 00:36:41,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 00:36:41,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 00:36:41,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 00:36:41,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 00:36:41,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 00:36:41,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:36:41" (1/1) ... [2021-02-22 00:36:41,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bb62cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:41, skipping insertion in model container [2021-02-22 00:36:41,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 12:36:41" (1/1) ... [2021-02-22 00:36:41,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 00:36:42,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 00:36:43,066 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /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[185252,185265] [2021-02-22 00:36:43,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:36:43,263 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 00:36:43,585 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /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[185252,185265] [2021-02-22 00:36:43,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 00:36:43,789 INFO L208 MainTranslator]: Completed translation [2021-02-22 00:36:43,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43 WrapperNode [2021-02-22 00:36:43,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 00:36:43,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 00:36:43,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 00:36:43,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 00:36:43,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:43,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:43,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:43,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:43,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:43,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:44,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (1/1) ... [2021-02-22 00:36:44,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 00:36:44,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 00:36:44,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 00:36:44,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 00:36:44,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (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 [2021-02-22 00:36:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 00:36:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 00:36:44,128 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 00:36:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-22 00:36:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-02-22 00:36:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-02-22 00:36:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-02-22 00:36:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-02-22 00:36:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-02-22 00:36:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-02-22 00:36:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-02-22 00:36:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure always_connected [2021-02-22 00:36:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure m5632_recover [2021-02-22 00:36:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_prereset [2021-02-22 00:36:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dummy_postreset [2021-02-22 00:36:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_init [2021-02-22 00:36:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cdc_subset_driver_exit [2021-02-22 00:36:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2021-02-22 00:36:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 00:36:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2021-02-22 00:36:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2021-02-22 00:36:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2021-02-22 00:36:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2021-02-22 00:36:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2021-02-22 00:36:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2021-02-22 00:36:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2021-02-22 00:36:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_12 [2021-02-22 00:36:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_usb_unlock_device_13 [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-02-22 00:36:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-22 00:36:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-22 00:36:44,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2021-02-22 00:36:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2021-02-22 00:36:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-22 00:36:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_udev [2021-02-22 00:36:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_udev [2021-02-22 00:36:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_udev [2021-02-22 00:36:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_udev [2021-02-22 00:36:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-22 00:36:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_udev [2021-02-22 00:36:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_udev [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_udev [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_udev [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_udev [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_udev [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-02-22 00:36:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_usb_unlock_device [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_1 [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-02-22 00:36:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2021-02-22 00:36:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2021-02-22 00:36:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-02-22 00:36:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-02-22 00:36:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2021-02-22 00:36:44,144 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-02-22 00:36:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2021-02-22 00:36:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-22 00:36:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-02-22 00:36:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-22 00:36:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 00:36:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2021-02-22 00:36:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-22 00:36:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-02-22 00:36:44,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_usb_unlock_device [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_usb_unlock_device_13 [2021-02-22 00:36:44,150 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2021-02-22 00:36:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_udev [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_udev [2021-02-22 00:36:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2021-02-22 00:36:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_12 [2021-02-22 00:36:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-02-22 00:36:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2021-02-22 00:36:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2021-02-22 00:36:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-02-22 00:36:44,154 INFO L130 BoogieDeclarations]: Found specification of procedure always_connected [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure m5632_recover [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_prereset [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure dummy_postreset [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_init [2021-02-22 00:36:44,155 INFO L130 BoogieDeclarations]: Found specification of procedure cdc_subset_driver_exit [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_1 [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 00:36:44,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2021-02-22 00:36:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2021-02-22 00:36:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2021-02-22 00:36:44,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2021-02-22 00:36:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2021-02-22 00:36:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_udev [2021-02-22 00:36:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_udev [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_udev [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-22 00:36:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 00:36:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 00:36:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 00:36:45,002 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-02-22 00:36:46,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 00:36:46,763 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 00:36:46,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:36:46 BoogieIcfgContainer [2021-02-22 00:36:46,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 00:36:46,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 00:36:46,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 00:36:46,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 00:36:46,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 12:36:41" (1/3) ... [2021-02-22 00:36:46,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79886421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:36:46, skipping insertion in model container [2021-02-22 00:36:46,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 12:36:43" (2/3) ... [2021-02-22 00:36:46,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79886421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 12:36:46, skipping insertion in model container [2021-02-22 00:36:46,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 12:36:46" (3/3) ... [2021-02-22 00:36:46,776 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--usb--cdc_subset.ko-entry_point.cil.out.i [2021-02-22 00:36:46,784 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 00:36:46,790 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 00:36:46,810 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 00:36:46,836 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 00:36:46,837 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 00:36:46,837 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-22 00:36:46,837 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 00:36:46,837 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 00:36:46,837 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 00:36:46,838 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 00:36:46,838 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 00:36:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states. [2021-02-22 00:36:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2021-02-22 00:36:46,946 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 00:36:46,948 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 00:36:46,949 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 00:36:46,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 00:36:46,956 INFO L82 PathProgramCache]: Analyzing trace with hash 581753357, now seen corresponding path program 1 times [2021-02-22 00:36:46,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 00:36:46,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111142291] [2021-02-22 00:36:46,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 00:36:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 00:36:47,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 00:36:47,710 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Proofs are not supported at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 00:36:47,716 INFO L168 Benchmark]: Toolchain (without parser) took 5811.96 ms. Allocated memory was 155.2 MB in the beginning and 289.4 MB in the end (delta: 134.2 MB). Free memory was 123.3 MB in the beginning and 195.4 MB in the end (delta: -72.1 MB). Peak memory consumption was 63.6 MB. Max. memory is 8.0 GB. [2021-02-22 00:36:47,716 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 00:36:47,717 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1873.88 ms. Allocated memory was 155.2 MB in the beginning and 217.1 MB in the end (delta: 61.9 MB). Free memory was 122.2 MB in the beginning and 159.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 72.8 MB. Max. memory is 8.0 GB. [2021-02-22 00:36:47,718 INFO L168 Benchmark]: Boogie Preprocessor took 228.25 ms. Allocated memory is still 217.1 MB. Free memory was 159.8 MB in the beginning and 147.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-22 00:36:47,719 INFO L168 Benchmark]: RCFGBuilder took 2747.18 ms. Allocated memory was 217.1 MB in the beginning and 289.4 MB in the end (delta: 72.4 MB). Free memory was 147.8 MB in the beginning and 200.6 MB in the end (delta: -52.8 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. [2021-02-22 00:36:47,720 INFO L168 Benchmark]: TraceAbstraction took 943.72 ms. Allocated memory is still 289.4 MB. Free memory was 200.6 MB in the beginning and 195.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. [2021-02-22 00:36:47,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 130.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1873.88 ms. Allocated memory was 155.2 MB in the beginning and 217.1 MB in the end (delta: 61.9 MB). Free memory was 122.2 MB in the beginning and 159.8 MB in the end (delta: -37.6 MB). Peak memory consumption was 72.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 228.25 ms. Allocated memory is still 217.1 MB. Free memory was 159.8 MB in the beginning and 147.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2747.18 ms. Allocated memory was 217.1 MB in the beginning and 289.4 MB in the end (delta: 72.4 MB). Free memory was 147.8 MB in the beginning and 200.6 MB in the end (delta: -52.8 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 943.72 ms. Allocated memory is still 289.4 MB. Free memory was 200.6 MB in the beginning and 195.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Proofs are not supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Proofs are not supported: de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getProof(Scriptor.java:166) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...