/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 21:47:58,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:47:58,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:47:58,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:47:58,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:47:58,181 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:47:58,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:47:58,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:47:58,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:47:58,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:47:58,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:47:58,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:47:58,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:47:58,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:47:58,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:47:58,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:47:58,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:47:58,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:47:58,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:47:58,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:47:58,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:47:58,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:47:58,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:47:58,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:47:58,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:47:58,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:47:58,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:47:58,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:47:58,214 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:47:58,215 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:47:58,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:47:58,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:47:58,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:47:58,218 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:47:58,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:47:58,220 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:47:58,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:47:58,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:47:58,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:47:58,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:47:58,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:47:58,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-29 21:47:58,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:47:58,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:47:58,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:47:58,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:47:58,274 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:47:58,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:47:58,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:47:58,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:47:58,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:47:58,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:47:58,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:47:58,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:47:58,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:47:58,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:47:58,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:47:58,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:47:58,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:47:58,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:47:58,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:47:58,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:47:58,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:47:58,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:47:58,293 INFO L138 SettingsManager]: * To the following directory=dump/ 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:47:58,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:47:58,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:47:58,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:47:58,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:47:58,690 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:47:58,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-29 21:47:58,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/299c00c9e/612adbe5e3294eeabd7ee78d93039659/FLAG9d8bdc5fa [2020-10-29 21:47:59,640 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:47:59,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-29 21:47:59,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/299c00c9e/612adbe5e3294eeabd7ee78d93039659/FLAG9d8bdc5fa [2020-10-29 21:48:00,182 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/299c00c9e/612adbe5e3294eeabd7ee78d93039659 [2020-10-29 21:48:00,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:48:00,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:48:00,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:48:00,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:48:00,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:48:00,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:48:00" (1/1) ... [2020-10-29 21:48:00,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e17b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:00, skipping insertion in model container [2020-10-29 21:48:00,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:48:00" (1/1) ... [2020-10-29 21:48:00,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:48:00,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:48:00,817 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2020-10-29 21:48:00,817 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3506-3507] [2020-10-29 21:48:00,818 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3508-3510] [2020-10-29 21:48:00,818 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3511-3512] [2020-10-29 21:48:00,818 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2020-10-29 21:48:00,819 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3519-3520] [2020-10-29 21:48:00,819 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2020-10-29 21:48:00,820 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2020-10-29 21:48:00,830 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3838-3839] [2020-10-29 21:48:00,831 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2020-10-29 21:48:00,831 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2020-10-29 21:48:00,833 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2020-10-29 21:48:00,833 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2020-10-29 21:48:00,833 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3874] [2020-10-29 21:48:00,835 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2020-10-29 21:48:00,835 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2020-10-29 21:48:00,836 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2020-10-29 21:48:00,836 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2020-10-29 21:48:00,837 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2020-10-29 21:48:00,837 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2020-10-29 21:48:01,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:48:01,458 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:48:01,621 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2020-10-29 21:48:01,622 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3506-3507] [2020-10-29 21:48:01,624 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3508-3510] [2020-10-29 21:48:01,625 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3511-3512] [2020-10-29 21:48:01,626 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2020-10-29 21:48:01,627 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3519-3520] [2020-10-29 21:48:01,628 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2020-10-29 21:48:01,629 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2020-10-29 21:48:01,638 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name lookup at C: *(*lookup)(struct tty_driver___0 *driver , struct inode___0 *inode , int idx ) [3838-3839] [2020-10-29 21:48:01,639 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2020-10-29 21:48:01,639 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2020-10-29 21:48:01,640 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2020-10-29 21:48:01,643 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2020-10-29 21:48:01,644 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name poll_put_char at C: (*poll_put_char)(struct tty_driver___0 *driver , int line , char ch ) [3874] [2020-10-29 21:48:01,645 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2020-10-29 21:48:01,646 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2020-10-29 21:48:01,647 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2020-10-29 21:48:01,647 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2020-10-29 21:48:01,648 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2020-10-29 21:48:01,648 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2020-10-29 21:48:01,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:48:01,883 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:48:01,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01 WrapperNode [2020-10-29 21:48:01,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:48:01,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:48:01,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:48:01,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:48:01,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:01,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:01,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:01,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:02,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:02,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:02,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... [2020-10-29 21:48:02,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:48:02,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:48:02,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:48:02,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:48:02,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-29 21:48:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-29 21:48:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 21:48:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2020-10-29 21:48:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 21:48:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 21:48:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:48:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:48:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:48:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-29 21:48:02,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-29 21:48:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-29 21:48:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-29 21:48:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-29 21:48:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-29 21:48:02,232 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2020-10-29 21:48:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2020-10-29 21:48:02,233 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2020-10-29 21:48:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:48:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-29 21:48:02,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:48:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 21:48:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:48:02,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 21:48:02,239 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-29 21:48:02,240 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2020-10-29 21:48:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2020-10-29 21:48:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2020-10-29 21:48:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2020-10-29 21:48:02,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2020-10-29 21:48:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2020-10-29 21:48:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2020-10-29 21:48:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2020-10-29 21:48:02,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2020-10-29 21:48:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2020-10-29 21:48:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:48:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 21:48:02,243 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:48:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:48:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:48:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:48:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:48:02,244 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:48:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:48:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 21:48:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:48:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 21:48:02,245 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2020-10-29 21:48:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2020-10-29 21:48:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-29 21:48:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-29 21:48:02,246 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-29 21:48:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2020-10-29 21:48:02,248 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2020-10-29 21:48:02,249 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2020-10-29 21:48:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:48:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2020-10-29 21:48:02,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-29 21:48:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:48:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2020-10-29 21:48:02,253 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2020-10-29 21:48:02,254 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2020-10-29 21:48:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:48:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:48:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2020-10-29 21:48:02,255 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2020-10-29 21:48:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:48:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 21:48:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:48:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:48:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:48:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:48:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:48:02,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:48:02,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-29 21:48:02,264 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-29 21:48:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-29 21:48:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-29 21:48:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-29 21:48:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-29 21:48:02,265 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-29 21:48:02,266 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2020-10-29 21:48:02,267 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2020-10-29 21:48:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2020-10-29 21:48:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2020-10-29 21:48:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2020-10-29 21:48:02,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2020-10-29 21:48:02,269 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 21:48:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:48:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:48:02,959 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:48:04,592 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-29 21:48:05,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:48:05,098 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:48:05,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:48:05 BoogieIcfgContainer [2020-10-29 21:48:05,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:48:05,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:48:05,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:48:05,107 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:48:05,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:48:00" (1/3) ... [2020-10-29 21:48:05,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e779438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:48:05, skipping insertion in model container [2020-10-29 21:48:05,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:48:01" (2/3) ... [2020-10-29 21:48:05,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e779438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:48:05, skipping insertion in model container [2020-10-29 21:48:05,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:48:05" (3/3) ... [2020-10-29 21:48:05,111 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-29 21:48:05,124 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:48:05,130 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:48:05,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:48:05,177 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:48:05,177 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:48:05,178 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:48:05,178 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:48:05,178 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:48:05,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:48:05,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:48:05,178 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:48:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states. [2020-10-29 21:48:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 21:48:05,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:05,251 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-29 21:48:05,252 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:05,259 INFO L82 PathProgramCache]: Analyzing trace with hash 725553020, now seen corresponding path program 1 times [2020-10-29 21:48:05,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:05,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176991248] [2020-10-29 21:48:05,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:06,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:06,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:11,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:11,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-29 21:48:11,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 21:48:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5308 [2020-10-29 21:48:11,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:11,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:48:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 21:48:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 21:48:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-29 21:48:12,051 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-29 21:48:12,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:12,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:48:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:48:12,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:48:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:12,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:48:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:12,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:48:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:48:12,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 21:48:12,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:48:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 21:48:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:48:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:48:12,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:48:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:48:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:12,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 21:48:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:12,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:48:12,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:48:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:12,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 21:48:12,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:12,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 21:48:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:12,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:12,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 21:48:12,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 21:48:12,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:48:12,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:48:12,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 21:48:12,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 21:48:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:12,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:12,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:48:12,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:48:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:12,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 21:48:12,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 21:48:12,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176991248] [2020-10-29 21:48:12,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 21:48:12,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-29 21:48:12,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842489953] [2020-10-29 21:48:12,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 21:48:12,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:48:12,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 21:48:12,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-29 21:48:12,964 INFO L87 Difference]: Start difference. First operand 574 states. Second operand 13 states. [2020-10-29 21:48:13,781 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-29 21:48:15,110 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-29 21:48:16,052 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:48:17,137 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2020-10-29 21:48:18,069 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2020-10-29 21:48:19,066 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-29 21:48:19,899 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-29 21:48:22,221 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2020-10-29 21:48:24,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:24,350 INFO L93 Difference]: Finished difference Result 1075 states and 1465 transitions. [2020-10-29 21:48:24,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 21:48:24,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 72 [2020-10-29 21:48:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:24,392 INFO L225 Difference]: With dead ends: 1075 [2020-10-29 21:48:24,392 INFO L226 Difference]: Without dead ends: 509 [2020-10-29 21:48:24,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-10-29 21:48:24,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-10-29 21:48:24,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 463. [2020-10-29 21:48:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-29 21:48:24,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 606 transitions. [2020-10-29 21:48:24,597 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 606 transitions. Word has length 72 [2020-10-29 21:48:24,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:24,598 INFO L481 AbstractCegarLoop]: Abstraction has 463 states and 606 transitions. [2020-10-29 21:48:24,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 21:48:24,598 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 606 transitions. [2020-10-29 21:48:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 21:48:24,604 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:24,605 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-29 21:48:24,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:48:24,605 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:24,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash -2064829871, now seen corresponding path program 1 times [2020-10-29 21:48:24,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:24,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [897555237] [2020-10-29 21:48:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:29,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:29,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-29 21:48:29,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:29,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5180 [2020-10-29 21:48:29,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:29,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:29,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:48:29,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 21:48:29,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:48:29,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:30,654 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-29 21:48:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:30,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:30,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:30,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:30,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 250 [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:48:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:31,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:48:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:48:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:31,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:31,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:48:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:48:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:48:31,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 21:48:31,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:48:31,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 21:48:31,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:48:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 21:48:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:48:31,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 21:48:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:48:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:48:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 21:48:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:48:31,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:48:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 21:48:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:48:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:48:31,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 21:48:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 21:48:31,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:48:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 21:48:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:31,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:31,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:31,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:48:31,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:31,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:31,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:31,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 21:48:31,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:31,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-29 21:48:31,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [897555237] [2020-10-29 21:48:31,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:48:31,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 21:48:31,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784953380] [2020-10-29 21:48:31,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 21:48:31,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:48:31,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 21:48:31,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-29 21:48:31,533 INFO L87 Difference]: Start difference. First operand 463 states and 606 transitions. Second operand 11 states. [2020-10-29 21:48:32,260 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-29 21:48:33,702 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-29 21:48:34,468 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:48:35,305 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-29 21:48:38,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:38,339 INFO L93 Difference]: Finished difference Result 935 states and 1236 transitions. [2020-10-29 21:48:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 21:48:38,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2020-10-29 21:48:38,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:38,346 INFO L225 Difference]: With dead ends: 935 [2020-10-29 21:48:38,346 INFO L226 Difference]: Without dead ends: 510 [2020-10-29 21:48:38,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-29 21:48:38,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-10-29 21:48:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 464. [2020-10-29 21:48:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-10-29 21:48:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 607 transitions. [2020-10-29 21:48:38,439 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 607 transitions. Word has length 80 [2020-10-29 21:48:38,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:38,439 INFO L481 AbstractCegarLoop]: Abstraction has 464 states and 607 transitions. [2020-10-29 21:48:38,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 21:48:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 607 transitions. [2020-10-29 21:48:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-29 21:48:38,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:38,443 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2020-10-29 21:48:38,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 21:48:38,444 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:38,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash -2041333701, now seen corresponding path program 2 times [2020-10-29 21:48:38,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:38,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246410442] [2020-10-29 21:48:38,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:38,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:38,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:43,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:43,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-29 21:48:43,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:43,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-29 21:48:43,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:43,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:43,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:48:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 21:48:43,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 21:48:43,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,468 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-29 21:48:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:44,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-29 21:48:44,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:48:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:44,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:48:44,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:44,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:48:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:44,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:48:44,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:48:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:44,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:48:44,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:44,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:48:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:48:44,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 21:48:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:48:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:48:44,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 21:48:44,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:48:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:44,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:44,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:48:44,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:44,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:44,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 21:48:44,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:44,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:45,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 21:48:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 21:48:45,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:45,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:48:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:48:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:48:45,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 21:48:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:45,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:45,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 21:48:45,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:48:45,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:48:45,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:45,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-29 21:48:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:45,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:48:45,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:45,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:48:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:45,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:48:45,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:48:45,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-29 21:48:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:45,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:45,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:45,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:48:45,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:48:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:48:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 21:48:45,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246410442] [2020-10-29 21:48:45,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:48:45,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 21:48:45,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245678318] [2020-10-29 21:48:45,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 21:48:45,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:48:45,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 21:48:45,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-29 21:48:45,245 INFO L87 Difference]: Start difference. First operand 464 states and 607 transitions. Second operand 12 states. [2020-10-29 21:48:46,060 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-29 21:48:47,755 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-29 21:48:48,691 WARN L193 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:48:49,546 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:48:50,359 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-29 21:48:53,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:48:53,780 INFO L93 Difference]: Finished difference Result 937 states and 1238 transitions. [2020-10-29 21:48:53,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 21:48:53,781 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-10-29 21:48:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:48:53,786 INFO L225 Difference]: With dead ends: 937 [2020-10-29 21:48:53,787 INFO L226 Difference]: Without dead ends: 511 [2020-10-29 21:48:53,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2020-10-29 21:48:53,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-10-29 21:48:53,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 465. [2020-10-29 21:48:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-29 21:48:53,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 608 transitions. [2020-10-29 21:48:53,876 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 608 transitions. Word has length 82 [2020-10-29 21:48:53,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:48:53,877 INFO L481 AbstractCegarLoop]: Abstraction has 465 states and 608 transitions. [2020-10-29 21:48:53,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 21:48:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 608 transitions. [2020-10-29 21:48:53,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-29 21:48:53,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:48:53,880 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 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] [2020-10-29 21:48:53,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 21:48:53,880 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:48:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:48:53,881 INFO L82 PathProgramCache]: Analyzing trace with hash -450693807, now seen corresponding path program 3 times [2020-10-29 21:48:53,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:48:53,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93826312] [2020-10-29 21:48:53,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:48:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:48:54,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:54,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:48:59,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:48:59,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 21:48:59,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:48:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5225 [2020-10-29 21:48:59,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:48:59,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:48:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:48:59,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-29 21:48:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:48:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:49:00,119 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-29 21:49:00,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:49:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:49:00,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-29 21:49:00,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:49:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:00,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 21:49:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:00,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 21:49:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:49:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 21:49:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:49:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:49:00,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:49:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:49:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:49:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 21:49:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 21:49:00,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-29 21:49:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:49:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:49:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 21:49:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 21:49:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:49:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:49:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 21:49:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-29 21:49:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:49:00,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 21:49:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:49:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:49:00,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-29 21:49:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:49:00,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:49:00,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:49:00,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:49:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-29 21:49:00,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:49:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:49:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 21:49:00,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93826312] [2020-10-29 21:49:00,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:49:00,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 21:49:00,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513210437] [2020-10-29 21:49:00,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 21:49:00,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:49:00,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 21:49:00,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-29 21:49:00,872 INFO L87 Difference]: Start difference. First operand 465 states and 608 transitions. Second operand 13 states. [2020-10-29 21:49:01,612 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-29 21:49:03,314 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-29 21:49:04,126 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:49:04,936 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:49:05,794 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-29 21:49:06,614 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-10-29 21:49:09,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:49:09,951 INFO L93 Difference]: Finished difference Result 939 states and 1240 transitions. [2020-10-29 21:49:09,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 21:49:09,952 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2020-10-29 21:49:09,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:49:09,958 INFO L225 Difference]: With dead ends: 939 [2020-10-29 21:49:09,959 INFO L226 Difference]: Without dead ends: 512 [2020-10-29 21:49:09,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-29 21:49:09,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-29 21:49:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 466. [2020-10-29 21:49:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2020-10-29 21:49:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 609 transitions. [2020-10-29 21:49:10,037 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 609 transitions. Word has length 84 [2020-10-29 21:49:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:49:10,038 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 609 transitions. [2020-10-29 21:49:10,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 21:49:10,038 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 609 transitions. [2020-10-29 21:49:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-29 21:49:10,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:49:10,040 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 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] [2020-10-29 21:49:10,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 21:49:10,041 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:49:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:49:10,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1316352187, now seen corresponding path program 4 times [2020-10-29 21:49:10,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:49:10,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278042639] [2020-10-29 21:49:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:49:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 21:49:10,292 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 21:49:10,292 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 21:49:10,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 21:49:10,307 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-29 21:49:10,308 WARN L417 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2020-10-29 21:49:10,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:49:10 BoogieIcfgContainer [2020-10-29 21:49:10,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 21:49:10,332 INFO L168 Benchmark]: Toolchain (without parser) took 70144.96 ms. Allocated memory was 151.0 MB in the beginning and 955.3 MB in the end (delta: 804.3 MB). Free memory was 129.8 MB in the beginning and 673.8 MB in the end (delta: -544.0 MB). Peak memory consumption was 260.8 MB. Max. memory is 8.0 GB. [2020-10-29 21:49:10,333 INFO L168 Benchmark]: CDTParser took 1.32 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 21:49:10,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1691.77 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 129.2 MB in the beginning and 138.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. [2020-10-29 21:49:10,334 INFO L168 Benchmark]: Boogie Preprocessor took 243.27 ms. Allocated memory is still 195.0 MB. Free memory was 138.4 MB in the beginning and 126.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-10-29 21:49:10,335 INFO L168 Benchmark]: RCFGBuilder took 2970.50 ms. Allocated memory was 195.0 MB in the beginning and 297.8 MB in the end (delta: 102.8 MB). Free memory was 126.4 MB in the beginning and 135.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 97.5 MB. Max. memory is 8.0 GB. [2020-10-29 21:49:10,336 INFO L168 Benchmark]: TraceAbstraction took 65226.80 ms. Allocated memory was 297.8 MB in the beginning and 955.3 MB in the end (delta: 657.5 MB). Free memory was 135.0 MB in the beginning and 673.8 MB in the end (delta: -538.8 MB). Peak memory consumption was 118.6 MB. Max. memory is 8.0 GB. [2020-10-29 21:49:10,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32 ms. Allocated memory is still 151.0 MB. Free memory is still 125.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1691.77 ms. Allocated memory was 151.0 MB in the beginning and 195.0 MB in the end (delta: 44.0 MB). Free memory was 129.2 MB in the beginning and 138.9 MB in the end (delta: -9.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 243.27 ms. Allocated memory is still 195.0 MB. Free memory was 138.4 MB in the beginning and 126.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2970.50 ms. Allocated memory was 195.0 MB in the beginning and 297.8 MB in the end (delta: 102.8 MB). Free memory was 126.4 MB in the beginning and 135.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 97.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 65226.80 ms. Allocated memory was 297.8 MB in the beginning and 955.3 MB in the end (delta: 657.5 MB). Free memory was 135.0 MB in the beginning and 673.8 MB in the end (delta: -538.8 MB). Peak memory consumption was 118.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 4684. Possible FailurePath: [L4404] int LDV_IN_INTERRUPT = 1; [L4405] int ldv_state_variable_2 ; [L4406] int ref_cnt ; [L4407] struct usb_serial *qcdevice_group1 ; [L4408] int ldv_state_variable_1 ; [L4409] struct usb_interface *qcdriver_group1 ; [L4410] int usb_counter ; [L4411] struct tty_struct *qcdevice_group0 ; [L4412] struct usb_serial_port *qcdevice_group2 ; [L4413] int ldv_state_variable_0 ; [L4507] static int debug ; [L4508-L4681] static struct usb_device_id const id_table[59U] = { {3U, 1478U, 37393U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37394U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 7965U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 8221U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9485U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1242U, 9484U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33138U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33137U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40961U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5136U, 40968U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6006U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 2821U, 6004U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65523U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 6610U, 65522U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5463U, 2688U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37378U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37379U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37410U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37377U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37409U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37425U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 8005U, 1U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33157U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 16700U, 33158U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37384U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37387U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37412U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37413U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37444U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37445U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9245U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1008U, 9501U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37396U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37397U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37476U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37477U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37428U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37429U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37492U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37493U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36864U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36865U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36866U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36867U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36868U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36869U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36870U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36871U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36872U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36873U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 4505U, 36874U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32769U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 5848U, 32770U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37380U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1478U, 37381U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4682] struct usb_device_id const __mod_usb_device_table ; [L4683-L4697] static struct usb_driver qcdriver = {"qcserial", & usb_serial_probe, & usb_serial_disconnect, 0, & usb_serial_suspend, & usb_serial_resume, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, (unsigned char)0}; [L4833-L4839] static struct usb_serial_driver qcdevice = {"Qualcomm USB modem", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"qcserial", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & qcdriver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, & qcprobe, & usb_wwan_startup, 0, & usb_wwan_disconnect, & usb_wwan_release, 0, 0, & usb_wwan_suspend, & usb_wwan_resume, & usb_wwan_open, & usb_wwan_close, & usb_wwan_write, & usb_wwan_write_room, 0, 0, 0, & usb_wwan_chars_in_buffer, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L4867] int ldv_retval_9 ; [L4868] int ldv_retval_2 ; [L4869] int ldv_retval_5 ; [L4870] int ldv_retval_0 ; [L4871] int ldv_retval_4 ; [L4872] int ldv_retval_6 ; [L4874] int ldv_retval_1 ; [L4876] int ldv_retval_8 ; [L4877] int ldv_retval_3 ; [L4878] int ldv_retval_7 ; [L5297] struct tty_struct___0 *ldv_latest_tty ; [L4905] struct usb_device_id *ldvarg1 ; [L4906] void *tmp ; [L4907] unsigned char *ldvarg3 ; [L4908] void *tmp___0 ; [L4909] pm_message_t ldvarg0 ; [L4910] int ldvarg2 ; [L4911] int tmp___1 ; [L4912] pm_message_t ldvarg4 ; [L4913] struct usb_device_id *ldvarg5 ; [L4914] void *tmp___2 ; [L4915] int tmp___3 ; [L4916] int tmp___4 ; [L4917] int tmp___5 ; [L4918] int tmp___6 ; [L4920] CALL, EXPR ldv_zalloc(24UL) [L4346] void *p ; [L4347] void *tmp ; [L4348] int tmp___0 ; [L4350] tmp___0 = __VERIFIER_nondet_int() [L4351] COND TRUE tmp___0 != 0 [L4352] return ((void *)0); [L4920] RET, EXPR ldv_zalloc(24UL) [L4920] tmp = ldv_zalloc(24UL) [L4921] ldvarg1 = (struct usb_device_id *)tmp [L4922] CALL, EXPR ldv_zalloc(1UL) [L4346] void *p ; [L4347] void *tmp ; [L4348] int tmp___0 ; [L4350] tmp___0 = __VERIFIER_nondet_int() [L4351] COND TRUE tmp___0 != 0 [L4352] return ((void *)0); [L4922] RET, EXPR ldv_zalloc(1UL) [L4922] tmp___0 = ldv_zalloc(1UL) [L4923] ldvarg3 = (unsigned char *)tmp___0 [L4924] tmp___1 = __VERIFIER_nondet_int() [L4925] ldvarg2 = tmp___1 [L4926] CALL, EXPR ldv_zalloc(24UL) [L4346] void *p ; [L4347] void *tmp ; [L4348] int tmp___0 ; [L4350] tmp___0 = __VERIFIER_nondet_int() [L4351] COND TRUE tmp___0 != 0 [L4352] return ((void *)0); [L4926] RET, EXPR ldv_zalloc(24UL) [L4926] tmp___2 = ldv_zalloc(24UL) [L4927] ldvarg5 = (struct usb_device_id *)tmp___2 [L4928] CALL ldv_initialize() [L5301] CALL, EXPR ldv_malloc(sizeof(struct tty_struct___0)) [L4329] void *p ; [L4330] void *tmp ; [L4331] int tmp___0 ; [L4333] tmp___0 = __VERIFIER_nondet_int() [L4334] COND FALSE !(tmp___0 != 0) [L4337] tmp = malloc(size) [L4338] p = tmp [L4339] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L4325] COND FALSE !(!cond) [L4339] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) [L4340] return (p); [L5301] RET, EXPR ldv_malloc(sizeof(struct tty_struct___0)) [L5301] ldv_latest_tty = ldv_malloc(sizeof(struct tty_struct___0)) [L5302] COND TRUE (unsigned long )ldv_latest_tty != (unsigned long )((void *)0) [L4928] RET ldv_initialize() [L4929] FCALL memset((void *)(& ldvarg0), 0, 4UL) [L4930] FCALL memset((void *)(& ldvarg4), 0, 4UL) [L4931] ldv_state_variable_1 = 0 [L4932] ref_cnt = 0 [L4933] ldv_state_variable_0 = 1 [L4934] ldv_state_variable_2 = 0 [L4936] tmp___3 = __VERIFIER_nondet_int() [L4938] case 0: [L5144] case 1: [L5145] COND TRUE ldv_state_variable_0 != 0 [L5146] tmp___5 = __VERIFIER_nondet_int() [L5148] case 0: [L5156] case 1: [L5157] COND TRUE ldv_state_variable_0 == 1 [L5158] CALL, EXPR qcinit() [L4842] int retval ; [L4844] CALL, EXPR usb_serial_register(& qcdevice) [L5392] return __VERIFIER_nondet_int(); [L4844] RET, EXPR usb_serial_register(& qcdevice) [L4844] retval = usb_serial_register(& qcdevice) [L4845] COND TRUE retval != 0 [L4846] return (retval); [L5158] RET, EXPR qcinit() [L5158] ldv_retval_5 = qcinit() [L5159] COND TRUE ldv_retval_5 != 0 [L5160] ldv_state_variable_0 = 3 [L5252] FCALL ldv_check_final_state() [L5253] CALL ldv_error() [L4381] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.c", 3, __extension__ __PRETTY_FUNCTION__) - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 598 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 65.1s, OverallIterations: 5, TraceHistogramMax: 8, AutomataDifference: 35.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2234 SDtfs, 1855 SDslu, 9742 SDs, 0 SdLazy, 4846 SolverSat, 1606 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=574occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 184 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 27.3s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 157450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 80/110 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...