./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f73b735f637fd7d0f1ca58a9790cd08311cc71f6 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Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f73b735f637fd7d0f1ca58a9790cd08311cc71f6 ............................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 18:52:22,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 18:52:22,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 18:52:22,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 18:52:22,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 18:52:22,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 18:52:22,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 18:52:22,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 18:52:22,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 18:52:22,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 18:52:22,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 18:52:22,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 18:52:22,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 18:52:22,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 18:52:22,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 18:52:22,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 18:52:22,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 18:52:22,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 18:52:22,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 18:52:22,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 18:52:22,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 18:52:22,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 18:52:22,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 18:52:22,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 18:52:22,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 18:52:22,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 18:52:22,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 18:52:22,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 18:52:22,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 18:52:22,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 18:52:22,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 18:52:22,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 18:52:22,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 18:52:22,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 18:52:22,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 18:52:22,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 18:52:22,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 18:52:22,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 18:52:22,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 18:52:22,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 18:52:22,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 18:52:22,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-08-26 18:52:22,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 18:52:22,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 18:52:22,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 18:52:22,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 18:52:22,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 18:52:22,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 18:52:22,762 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 18:52:22,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 18:52:22,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 18:52:22,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 18:52:22,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 18:52:22,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 18:52:22,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 18:52:22,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 18:52:22,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 18:52:22,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 18:52:22,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 18:52:22,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 18:52:22,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 18:52:22,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 18:52:22,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 18:52:22,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 18:52:22,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 18:52:22,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 18:52:22,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 18:52:22,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 18:52:22,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 18:52:22,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73b735f637fd7d0f1ca58a9790cd08311cc71f6 [2021-08-26 18:52:23,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 18:52:23,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 18:52:23,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 18:52:23,177 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 18:52:23,177 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 18:52:23,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-08-26 18:52:23,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0728608/ee704a2df5b444d088137e3c27d9c541/FLAG4c3cdeca3 [2021-08-26 18:52:23,695 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 18:52:23,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-08-26 18:52:23,715 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0728608/ee704a2df5b444d088137e3c27d9c541/FLAG4c3cdeca3 [2021-08-26 18:52:23,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c0728608/ee704a2df5b444d088137e3c27d9c541 [2021-08-26 18:52:23,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 18:52:23,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 18:52:23,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 18:52:23,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 18:52:23,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 18:52:23,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:52:23" (1/1) ... [2021-08-26 18:52:23,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1694d32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:23, skipping insertion in model container [2021-08-26 18:52:23,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:52:23" (1/1) ... [2021-08-26 18:52:23,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 18:52:24,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 18:52:24,420 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2021-08-26 18:52:24,421 WARN L1214 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] [2021-08-26 18:52:24,421 WARN L1214 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] [2021-08-26 18:52:24,422 WARN L1214 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] [2021-08-26 18:52:24,422 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2021-08-26 18:52:24,422 WARN L1214 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] [2021-08-26 18:52:24,423 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2021-08-26 18:52:24,423 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2021-08-26 18:52:24,427 WARN L1214 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] [2021-08-26 18:52:24,428 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2021-08-26 18:52:24,428 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2021-08-26 18:52:24,429 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2021-08-26 18:52:24,429 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2021-08-26 18:52:24,429 WARN L1214 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] [2021-08-26 18:52:24,430 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2021-08-26 18:52:24,430 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2021-08-26 18:52:24,430 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2021-08-26 18:52:24,431 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2021-08-26 18:52:24,431 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2021-08-26 18:52:24,431 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2021-08-26 18:52:24,499 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[129647,129660] [2021-08-26 18:52:24,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 18:52:24,637 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 18:52:24,703 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2021-08-26 18:52:24,704 WARN L1214 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] [2021-08-26 18:52:24,705 WARN L1214 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] [2021-08-26 18:52:24,705 WARN L1214 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] [2021-08-26 18:52:24,706 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2021-08-26 18:52:24,706 WARN L1214 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] [2021-08-26 18:52:24,707 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2021-08-26 18:52:24,707 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2021-08-26 18:52:24,711 WARN L1214 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] [2021-08-26 18:52:24,712 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2021-08-26 18:52:24,712 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2021-08-26 18:52:24,714 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2021-08-26 18:52:24,714 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2021-08-26 18:52:24,714 WARN L1214 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] [2021-08-26 18:52:24,715 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2021-08-26 18:52:24,715 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2021-08-26 18:52:24,715 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2021-08-26 18:52:24,716 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2021-08-26 18:52:24,716 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2021-08-26 18:52:24,716 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2021-08-26 18:52:24,745 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[129647,129660] [2021-08-26 18:52:24,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 18:52:24,852 INFO L208 MainTranslator]: Completed translation [2021-08-26 18:52:24,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24 WrapperNode [2021-08-26 18:52:24,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 18:52:24,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 18:52:24,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 18:52:24,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 18:52:24,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:24,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:24,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 18:52:24,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 18:52:24,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 18:52:24,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 18:52:24,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:24,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:24,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:24,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:25,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:25,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:25,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:25,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 18:52:25,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 18:52:25,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 18:52:25,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 18:52:25,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (1/1) ... [2021-08-26 18:52:25,152 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 18:52:25,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:52:25,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 18:52:25,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 18:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-26 18:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 18:52:25,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 18:52:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 18:52:25,210 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-08-26 18:52:27,020 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 18:52:27,021 INFO L299 CfgBuilder]: Removed 249 assume(true) statements. [2021-08-26 18:52:27,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:52:27 BoogieIcfgContainer [2021-08-26 18:52:27,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 18:52:27,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 18:52:27,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 18:52:27,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 18:52:27,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 06:52:23" (1/3) ... [2021-08-26 18:52:27,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb73e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:52:27, skipping insertion in model container [2021-08-26 18:52:27,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:24" (2/3) ... [2021-08-26 18:52:27,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cb73e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 06:52:27, skipping insertion in model container [2021-08-26 18:52:27,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:52:27" (3/3) ... [2021-08-26 18:52:27,027 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-08-26 18:52:27,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 18:52:27,030 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 18:52:27,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 18:52:27,061 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 18:52:27,061 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 18:52:27,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 315 states have (on average 1.542857142857143) internal successors, (486), 316 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-26 18:52:27,080 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:27,080 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:52:27,080 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:27,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:27,083 INFO L82 PathProgramCache]: Analyzing trace with hash -197202510, now seen corresponding path program 1 times [2021-08-26 18:52:27,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:27,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990510235] [2021-08-26 18:52:27,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:27,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 18:52:27,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:27,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990510235] [2021-08-26 18:52:27,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990510235] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 18:52:27,413 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 18:52:27,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 18:52:27,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396110633] [2021-08-26 18:52:27,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 18:52:27,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:27,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 18:52:27,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:52:27,427 INFO L87 Difference]: Start difference. First operand has 317 states, 315 states have (on average 1.542857142857143) internal successors, (486), 316 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:27,472 INFO L93 Difference]: Finished difference Result 566 states and 867 transitions. [2021-08-26 18:52:27,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 18:52:27,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-26 18:52:27,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:27,480 INFO L225 Difference]: With dead ends: 566 [2021-08-26 18:52:27,481 INFO L226 Difference]: Without dead ends: 249 [2021-08-26 18:52:27,483 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:52:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-08-26 18:52:27,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-08-26 18:52:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 248 states have (on average 1.471774193548387) internal successors, (365), 248 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 365 transitions. [2021-08-26 18:52:27,514 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 365 transitions. Word has length 26 [2021-08-26 18:52:27,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:27,514 INFO L470 AbstractCegarLoop]: Abstraction has 249 states and 365 transitions. [2021-08-26 18:52:27,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 365 transitions. [2021-08-26 18:52:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-26 18:52:27,516 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:27,516 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:52:27,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 18:52:27,516 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:27,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:27,517 INFO L82 PathProgramCache]: Analyzing trace with hash -264137130, now seen corresponding path program 1 times [2021-08-26 18:52:27,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:27,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319787429] [2021-08-26 18:52:27,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:27,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-26 18:52:27,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:27,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319787429] [2021-08-26 18:52:27,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319787429] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 18:52:27,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 18:52:27,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-26 18:52:27,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434807617] [2021-08-26 18:52:27,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-26 18:52:27,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:27,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-26 18:52:27,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:52:27,671 INFO L87 Difference]: Start difference. First operand 249 states and 365 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:27,779 INFO L93 Difference]: Finished difference Result 653 states and 982 transitions. [2021-08-26 18:52:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-26 18:52:27,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-26 18:52:27,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:27,781 INFO L225 Difference]: With dead ends: 653 [2021-08-26 18:52:27,781 INFO L226 Difference]: Without dead ends: 433 [2021-08-26 18:52:27,782 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-26 18:52:27,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2021-08-26 18:52:27,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2021-08-26 18:52:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 432 states have (on average 1.5023148148148149) internal successors, (649), 432 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 649 transitions. [2021-08-26 18:52:27,812 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 649 transitions. Word has length 28 [2021-08-26 18:52:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:27,812 INFO L470 AbstractCegarLoop]: Abstraction has 433 states and 649 transitions. [2021-08-26 18:52:27,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 649 transitions. [2021-08-26 18:52:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-08-26 18:52:27,814 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:27,814 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:52:27,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 18:52:27,814 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:27,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1819452508, now seen corresponding path program 1 times [2021-08-26 18:52:27,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:27,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022055930] [2021-08-26 18:52:27,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:27,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 18:52:27,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:27,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022055930] [2021-08-26 18:52:27,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022055930] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:27,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640423606] [2021-08-26 18:52:27,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:27,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:27,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:52:27,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 18:52:27,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-26 18:52:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:28,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 2254 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-26 18:52:28,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 18:52:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-26 18:52:28,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640423606] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:28,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 18:52:28,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-26 18:52:28,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003330304] [2021-08-26 18:52:28,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-26 18:52:28,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:28,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-26 18:52:28,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-26 18:52:28,988 INFO L87 Difference]: Start difference. First operand 433 states and 649 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:29,038 INFO L93 Difference]: Finished difference Result 843 states and 1272 transitions. [2021-08-26 18:52:29,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-26 18:52:29,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-08-26 18:52:29,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:29,041 INFO L225 Difference]: With dead ends: 843 [2021-08-26 18:52:29,041 INFO L226 Difference]: Without dead ends: 435 [2021-08-26 18:52:29,042 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.3ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-26 18:52:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2021-08-26 18:52:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2021-08-26 18:52:29,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 1.5) internal successors, (651), 434 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:29,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 651 transitions. [2021-08-26 18:52:29,054 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 651 transitions. Word has length 30 [2021-08-26 18:52:29,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:29,055 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 651 transitions. [2021-08-26 18:52:29,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 651 transitions. [2021-08-26 18:52:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-26 18:52:29,056 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:29,057 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 18:52:29,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-26 18:52:29,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:29,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:29,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:29,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1352796736, now seen corresponding path program 2 times [2021-08-26 18:52:29,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:29,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086586500] [2021-08-26 18:52:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:29,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:29,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 18:52:29,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:29,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086586500] [2021-08-26 18:52:29,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086586500] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:29,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308961695] [2021-08-26 18:52:29,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 18:52:29,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:29,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:52:29,457 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 18:52:29,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-26 18:52:30,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-26 18:52:30,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 18:52:30,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 2242 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-26 18:52:30,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 18:52:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 18:52:30,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308961695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 18:52:30,403 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-26 18:52:30,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-08-26 18:52:30,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416871856] [2021-08-26 18:52:30,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-26 18:52:30,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:30,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-26 18:52:30,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-26 18:52:30,405 INFO L87 Difference]: Start difference. First operand 435 states and 651 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:30,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:30,503 INFO L93 Difference]: Finished difference Result 1248 states and 1884 transitions. [2021-08-26 18:52:30,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 18:52:30,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-26 18:52:30,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:30,506 INFO L225 Difference]: With dead ends: 1248 [2021-08-26 18:52:30,507 INFO L226 Difference]: Without dead ends: 833 [2021-08-26 18:52:30,508 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 52.3ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-26 18:52:30,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-08-26 18:52:30,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 435. [2021-08-26 18:52:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 434 states have (on average 1.4976958525345623) internal successors, (650), 434 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 650 transitions. [2021-08-26 18:52:30,523 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 650 transitions. Word has length 32 [2021-08-26 18:52:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:30,523 INFO L470 AbstractCegarLoop]: Abstraction has 435 states and 650 transitions. [2021-08-26 18:52:30,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 650 transitions. [2021-08-26 18:52:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-26 18:52:30,525 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:30,525 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-08-26 18:52:30,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-26 18:52:30,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-26 18:52:30,749 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:30,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:30,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1779192452, now seen corresponding path program 1 times [2021-08-26 18:52:30,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:30,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832538445] [2021-08-26 18:52:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:30,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 18:52:30,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:30,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832538445] [2021-08-26 18:52:30,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832538445] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:30,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147291790] [2021-08-26 18:52:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:30,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:30,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:52:30,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 18:52:30,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-26 18:52:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:31,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 2284 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-26 18:52:31,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 18:52:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-08-26 18:52:31,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147291790] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:31,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 18:52:31,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-26 18:52:31,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993275891] [2021-08-26 18:52:31,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-26 18:52:31,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:31,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-26 18:52:31,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-08-26 18:52:31,853 INFO L87 Difference]: Start difference. First operand 435 states and 650 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:31,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:31,896 INFO L93 Difference]: Finished difference Result 846 states and 1274 transitions. [2021-08-26 18:52:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-26 18:52:31,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-26 18:52:31,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:31,899 INFO L225 Difference]: With dead ends: 846 [2021-08-26 18:52:31,899 INFO L226 Difference]: Without dead ends: 437 [2021-08-26 18:52:31,900 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 59.9ms TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-08-26 18:52:31,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2021-08-26 18:52:31,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2021-08-26 18:52:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 436 states have (on average 1.4954128440366972) internal successors, (652), 436 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 652 transitions. [2021-08-26 18:52:31,907 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 652 transitions. Word has length 34 [2021-08-26 18:52:31,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:31,907 INFO L470 AbstractCegarLoop]: Abstraction has 437 states and 652 transitions. [2021-08-26 18:52:31,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 652 transitions. [2021-08-26 18:52:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-26 18:52:31,908 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:31,909 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:52:31,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-26 18:52:32,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:32,129 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:32,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:32,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1023102240, now seen corresponding path program 2 times [2021-08-26 18:52:32,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:32,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139878048] [2021-08-26 18:52:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:32,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 18:52:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 18:52:32,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 18:52:32,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139878048] [2021-08-26 18:52:32,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139878048] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:32,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396296659] [2021-08-26 18:52:32,347 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-26 18:52:32,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:32,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 18:52:32,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-26 18:52:32,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-26 18:52:33,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-26 18:52:33,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-26 18:52:33,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-26 18:52:33,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 18:52:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-26 18:52:33,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396296659] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-26 18:52:33,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-26 18:52:33,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-26 18:52:33,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714978996] [2021-08-26 18:52:33,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-26 18:52:33,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 18:52:33,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-26 18:52:33,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-08-26 18:52:33,535 INFO L87 Difference]: Start difference. First operand 437 states and 652 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:33,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 18:52:33,578 INFO L93 Difference]: Finished difference Result 849 states and 1277 transitions. [2021-08-26 18:52:33,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-26 18:52:33,579 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-26 18:52:33,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 18:52:33,580 INFO L225 Difference]: With dead ends: 849 [2021-08-26 18:52:33,580 INFO L226 Difference]: Without dead ends: 439 [2021-08-26 18:52:33,581 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 99.1ms TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-08-26 18:52:33,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2021-08-26 18:52:33,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2021-08-26 18:52:33,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 438 states have (on average 1.4931506849315068) internal successors, (654), 438 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 654 transitions. [2021-08-26 18:52:33,590 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 654 transitions. Word has length 36 [2021-08-26 18:52:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 18:52:33,590 INFO L470 AbstractCegarLoop]: Abstraction has 439 states and 654 transitions. [2021-08-26 18:52:33,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 18:52:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 654 transitions. [2021-08-26 18:52:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-26 18:52:33,591 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 18:52:33,592 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 18:52:33,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-26 18:52:33,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-26 18:52:33,815 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 18:52:33,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 18:52:33,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1638240836, now seen corresponding path program 3 times [2021-08-26 18:52:33,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 18:52:33,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095233338] [2021-08-26 18:52:33,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 18:52:33,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 18:52:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 18:52:34,000 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 18:52:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 18:52:34,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 18:52:34,207 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 18:52:34,208 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 18:52:34,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-26 18:52:34,212 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 18:52:34,230 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,231 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,231 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,232 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,232 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,232 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,232 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,233 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,233 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,233 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,233 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,234 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,234 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,234 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,234 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,235 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,236 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,237 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,238 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,239 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,239 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,239 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,239 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,239 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,240 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,241 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,242 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,243 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,244 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,244 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,244 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,244 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,244 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-08-26 18:52:34,245 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled [2021-08-26 18:52:34,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 06:52:34 BoogieIcfgContainer [2021-08-26 18:52:34,295 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 18:52:34,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 18:52:34,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 18:52:34,296 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 18:52:34,297 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 06:52:27" (3/4) ... [2021-08-26 18:52:34,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 18:52:34,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 18:52:34,300 INFO L168 Benchmark]: Toolchain (without parser) took 10337.99 ms. Allocated memory was 58.7 MB in the beginning and 404.8 MB in the end (delta: 346.0 MB). Free memory was 35.7 MB in the beginning and 140.1 MB in the end (delta: -104.4 MB). Peak memory consumption was 241.7 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,301 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory is still 27.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 18:52:34,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.36 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 35.5 MB in the beginning and 36.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,301 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 81.8 MB. Free memory was 36.6 MB in the beginning and 34.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,302 INFO L168 Benchmark]: Boogie Preprocessor took 163.79 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 34.0 MB in the beginning and 91.4 MB in the end (delta: -57.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,302 INFO L168 Benchmark]: RCFGBuilder took 1875.25 ms. Allocated memory was 142.6 MB in the beginning and 264.2 MB in the end (delta: 121.6 MB). Free memory was 91.4 MB in the beginning and 157.3 MB in the end (delta: -66.0 MB). Peak memory consumption was 107.2 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,302 INFO L168 Benchmark]: TraceAbstraction took 7272.08 ms. Allocated memory was 264.2 MB in the beginning and 404.8 MB in the end (delta: 140.5 MB). Free memory was 157.3 MB in the beginning and 140.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 158.7 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:34,303 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 404.8 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 18:52:34,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 46.1 MB. Free memory is still 27.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 889.36 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 35.5 MB in the beginning and 36.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 81.8 MB. Free memory was 36.6 MB in the beginning and 34.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 10.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.79 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 34.0 MB in the beginning and 91.4 MB in the end (delta: -57.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1875.25 ms. Allocated memory was 142.6 MB in the beginning and 264.2 MB in the end (delta: 121.6 MB). Free memory was 91.4 MB in the beginning and 157.3 MB in the end (delta: -66.0 MB). Peak memory consumption was 107.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7272.08 ms. Allocated memory was 264.2 MB in the beginning and 404.8 MB in the end (delta: 140.5 MB). Free memory was 157.3 MB in the beginning and 140.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 158.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.43 ms. Allocated memory is still 404.8 MB. Free memory is still 140.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 4381]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [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 ; [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); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4920] tmp = ldv_zalloc(24UL) [L4921] ldvarg1 = (struct usb_device_id *)tmp [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); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4922] tmp___0 = ldv_zalloc(1UL) [L4923] ldvarg3 = (unsigned char *)tmp___0 [L4924] tmp___1 = __VERIFIER_nondet_int() [L4925] ldvarg2 = tmp___1 [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); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4926] tmp___2 = ldv_zalloc(24UL) [L4927] ldvarg5 = (struct usb_device_id *)tmp___2 [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 [L4325] COND FALSE !(!cond) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4340] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L5301] ldv_latest_tty = ldv_malloc(sizeof(struct tty_struct___0)) [L5302] COND TRUE (unsigned long )ldv_latest_tty != (unsigned long )((void *)0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4931] ldv_state_variable_1 = 0 [L4932] ref_cnt = 0 [L4933] ldv_state_variable_0 = 1 [L4934] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4936] tmp___3 = __VERIFIER_nondet_int() [L4938] case 0: [L5144] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L5145] COND TRUE ldv_state_variable_0 != 0 [L5146] tmp___5 = __VERIFIER_nondet_int() [L5148] case 0: [L5156] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L5157] COND TRUE ldv_state_variable_0 == 1 [L4842] int retval ; [L5392] return __VERIFIER_nondet_int(); [L4844] retval = usb_serial_register(& qcdevice) [L4845] COND TRUE retval != 0 [L4846] return (retval); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L5158] ldv_retval_5 = qcinit() [L5159] COND TRUE ldv_retval_5 != 0 [L5160] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=1, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4381] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65524}, debug=0, id_table={94:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=1, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=0, qcdevice={51:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={70:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7155.1ms, OverallIterations: 7, TraceHistogramMax: 4, EmptinessCheckTime: 14.2ms, AutomataDifference: 445.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2414 SDtfs, 646 SDslu, 4127 SDs, 0 SdLazy, 76 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 210.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 257.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=439occurred in iteration=6, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 94.7ms AutomataMinimizationTime, 6 MinimizatonAttempts, 398 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 362.8ms SsaConstructionTime, 2393.9ms SatisfiabilityAnalysisTime, 1605.5ms InterpolantComputationTime, 356 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 464 SizeOfPredicates, 10 NumberOfNonLiveVariables, 9076 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 31/54 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 [2021-08-26 18:52:34,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 18:52:36,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 18:52:36,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 18:52:36,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 18:52:36,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 18:52:36,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 18:52:36,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 18:52:36,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 18:52:36,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 18:52:36,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 18:52:36,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 18:52:36,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 18:52:36,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 18:52:36,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 18:52:36,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 18:52:36,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 18:52:36,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 18:52:36,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 18:52:36,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 18:52:36,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 18:52:36,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 18:52:36,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 18:52:36,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 18:52:36,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 18:52:36,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 18:52:36,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 18:52:36,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 18:52:36,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 18:52:36,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 18:52:36,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 18:52:36,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 18:52:36,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 18:52:36,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 18:52:36,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 18:52:36,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 18:52:36,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 18:52:36,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 18:52:36,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 18:52:36,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 18:52:36,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 18:52:36,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 18:52:36,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-08-26 18:52:36,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 18:52:36,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 18:52:36,428 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 18:52:36,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 18:52:36,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 18:52:36,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 18:52:36,429 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 18:52:36,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 18:52:36,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 18:52:36,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 18:52:36,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 18:52:36,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 18:52:36,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 18:52:36,431 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 18:52:36,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 18:52:36,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 18:52:36,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 18:52:36,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 18:52:36,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 18:52:36,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 18:52:36,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 18:52:36,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 18:52:36,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 18:52:36,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 18:52:36,442 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73b735f637fd7d0f1ca58a9790cd08311cc71f6 [2021-08-26 18:52:36,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 18:52:36,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 18:52:36,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 18:52:36,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 18:52:36,768 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 18:52:36,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-08-26 18:52:36,829 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf857b72/d94dfa82cea84a35a9a16715bc6ff249/FLAG15ba87ab9 [2021-08-26 18:52:37,465 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 18:52:37,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-08-26 18:52:37,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf857b72/d94dfa82cea84a35a9a16715bc6ff249/FLAG15ba87ab9 [2021-08-26 18:52:37,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf857b72/d94dfa82cea84a35a9a16715bc6ff249 [2021-08-26 18:52:37,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 18:52:37,821 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 18:52:37,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 18:52:37,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 18:52:37,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 18:52:37,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:52:37" (1/1) ... [2021-08-26 18:52:37,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35162843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 06:52:37, skipping insertion in model container [2021-08-26 18:52:37,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 06:52:37" (1/1) ... [2021-08-26 18:52:37,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 18:52:37,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 18:52:38,203 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2021-08-26 18:52:38,204 WARN L1214 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] [2021-08-26 18:52:38,204 WARN L1214 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] [2021-08-26 18:52:38,204 WARN L1214 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] [2021-08-26 18:52:38,205 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2021-08-26 18:52:38,205 WARN L1214 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] [2021-08-26 18:52:38,205 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2021-08-26 18:52:38,205 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2021-08-26 18:52:38,230 WARN L1214 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] [2021-08-26 18:52:38,230 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2021-08-26 18:52:38,231 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2021-08-26 18:52:38,231 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2021-08-26 18:52:38,232 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2021-08-26 18:52:38,232 WARN L1214 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] [2021-08-26 18:52:38,233 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2021-08-26 18:52:38,233 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2021-08-26 18:52:38,233 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2021-08-26 18:52:38,234 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2021-08-26 18:52:38,234 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2021-08-26 18:52:38,234 WARN L1214 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2021-08-26 18:52:38,329 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[129647,129660] [2021-08-26 18:52:38,446 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: only flexible array member at the end can have non-constant size at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:304) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructBytesizeExpression(TypeSizeAndOffsetComputer.java:121) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.MemoryHandler.calculateSizeOf(MemoryHandler.java:421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:297) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1415) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:713) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-26 18:52:38,450 INFO L168 Benchmark]: Toolchain (without parser) took 627.87 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 27.4 MB in the beginning and 40.1 MB in the end (delta: -12.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:38,451 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 18:52:38,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.24 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 27.3 MB in the beginning and 40.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-08-26 18:52:38,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 625.24 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 27.3 MB in the beginning and 40.1 MB in the end (delta: -12.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: only flexible array member at the end can have non-constant size: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...