./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:08,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:08,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:09,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:09,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:09,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:09,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:09,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:09,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:09,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:09,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:09,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:09,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:09,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:09,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:09,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:09,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:09,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:09,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:09,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:09,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:09,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:09,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:09,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:09,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:09,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:09,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:09,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:09,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:09,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:09,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:09,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:09,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:09,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:09,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:09,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:09,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:09,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:09,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:09,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:09,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:09,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 09:27:09,141 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:09,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:09,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:09,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:09,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:09,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:09,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:09,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:09,145 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:09,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:09,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:27:09,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:09,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:09,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:09,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:09,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:09,148 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 09:27:09,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:09,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:09,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:09,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:09,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:09,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:09,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:09,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:09,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:09,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:09,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:09,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:09,151 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:09,152 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:09,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:09,152 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 [2022-11-20 09:27:09,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:09,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:09,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:09,472 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:09,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:09,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-11-20 09:27:12,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:13,056 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:13,057 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-11-20 09:27:13,100 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/79f3370f6/4a08a81b15404e88bc4cd01d2e95b6e3/FLAGb7e8c8e26 [2022-11-20 09:27:13,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/79f3370f6/4a08a81b15404e88bc4cd01d2e95b6e3 [2022-11-20 09:27:13,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:13,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:13,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:13,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:13,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:13,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3b6ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:13, skipping insertion in model container [2022-11-20 09:27:13,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:13" (1/1) ... [2022-11-20 09:27:13,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:13,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:13,782 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2022-11-20 09:27:13,783 WARN L1259 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] [2022-11-20 09:27:13,783 WARN L1259 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] [2022-11-20 09:27:13,784 WARN L1259 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] [2022-11-20 09:27:13,784 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2022-11-20 09:27:13,785 WARN L1259 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] [2022-11-20 09:27:13,785 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2022-11-20 09:27:13,786 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2022-11-20 09:27:13,800 WARN L1259 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] [2022-11-20 09:27:13,800 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2022-11-20 09:27:13,801 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2022-11-20 09:27:13,804 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2022-11-20 09:27:13,805 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2022-11-20 09:27:13,806 WARN L1259 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] [2022-11-20 09:27:13,808 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2022-11-20 09:27:13,808 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2022-11-20 09:27:13,809 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2022-11-20 09:27:13,809 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2022-11-20 09:27:13,810 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2022-11-20 09:27:13,811 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2022-11-20 09:27:13,967 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftLeft(BitabsTranslation.java:148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675) 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:1469) 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:1413) 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:1087) 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:1087) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-20 09:27:13,977 INFO L158 Benchmark]: Toolchain (without parser) took 850.60ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 98.4MB in the beginning and 170.7MB in the end (delta: -72.3MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-11-20 09:27:13,978 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:13,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.09ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 98.0MB in the beginning and 170.7MB in the end (delta: -72.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2022-11-20 09:27:13,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.09ms. Allocated memory was 148.9MB in the beginning and 211.8MB in the end (delta: 62.9MB). Free memory was 98.0MB in the beginning and 170.7MB in the end (delta: -72.7MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:16,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:16,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:16,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:16,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:16,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:16,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:16,420 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:16,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:16,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:16,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:16,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:16,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:16,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:16,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:16,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:16,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:16,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:16,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:16,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:16,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:16,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:16,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:16,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:16,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:16,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:16,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:16,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:16,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:16,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:16,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:16,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:16,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:16,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:16,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:16,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:16,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:16,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:16,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:16,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:16,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:16,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 09:27:16,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:16,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:16,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:16,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:16,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:16,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:16,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:16,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:16,554 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:16,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:16,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:16,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:16,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:16,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:16,557 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:27:16,557 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:27:16,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:27:16,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:16,558 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:16,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:16,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:16,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:16,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:16,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:16,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:16,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:16,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:16,560 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:27:16,560 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:27:16,561 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:16,561 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:16,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:16,561 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:27:16,562 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46b0ad08a581b5bde0454ec418cbe0193c7ec6a3f6e007f87f30934488ee8554 [2022-11-20 09:27:16,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:16,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:16,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:16,922 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:16,923 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:16,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-11-20 09:27:19,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:20,468 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:20,468 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-11-20 09:27:20,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/b157270c4/4e868f43b278443aa44d4f6d0fbae7d5/FLAG46f67fe57 [2022-11-20 09:27:20,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/data/b157270c4/4e868f43b278443aa44d4f6d0fbae7d5 [2022-11-20 09:27:20,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:20,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:20,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:20,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:20,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:20,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:20" (1/1) ... [2022-11-20 09:27:20,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b7711f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:20, skipping insertion in model container [2022-11-20 09:27:20,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:20" (1/1) ... [2022-11-20 09:27:20,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:20,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:21,208 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2022-11-20 09:27:21,209 WARN L1259 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] [2022-11-20 09:27:21,210 WARN L1259 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] [2022-11-20 09:27:21,211 WARN L1259 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] [2022-11-20 09:27:21,213 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2022-11-20 09:27:21,216 WARN L1259 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] [2022-11-20 09:27:21,216 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2022-11-20 09:27:21,217 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2022-11-20 09:27:21,230 WARN L1259 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] [2022-11-20 09:27:21,231 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2022-11-20 09:27:21,231 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2022-11-20 09:27:21,235 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2022-11-20 09:27:21,236 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2022-11-20 09:27:21,237 WARN L1259 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] [2022-11-20 09:27:21,239 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2022-11-20 09:27:21,239 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2022-11-20 09:27:21,240 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2022-11-20 09:27:21,240 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2022-11-20 09:27:21,240 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2022-11-20 09:27:21,241 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2022-11-20 09:27:21,422 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/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] [2022-11-20 09:27:21,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:21,777 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:27:21,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:21,913 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2022-11-20 09:27:21,914 WARN L1259 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] [2022-11-20 09:27:21,915 WARN L1259 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] [2022-11-20 09:27:21,915 WARN L1259 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] [2022-11-20 09:27:21,916 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2022-11-20 09:27:21,917 WARN L1259 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] [2022-11-20 09:27:21,918 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2022-11-20 09:27:21,919 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2022-11-20 09:27:21,926 WARN L1259 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] [2022-11-20 09:27:21,927 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2022-11-20 09:27:21,927 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2022-11-20 09:27:21,928 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2022-11-20 09:27:21,929 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2022-11-20 09:27:21,929 WARN L1259 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] [2022-11-20 09:27:21,930 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2022-11-20 09:27:21,930 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2022-11-20 09:27:21,931 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2022-11-20 09:27:21,931 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2022-11-20 09:27:21,931 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2022-11-20 09:27:21,932 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2022-11-20 09:27:21,976 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/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] [2022-11-20 09:27:22,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:22,093 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:22,211 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3504] [2022-11-20 09:27:22,212 WARN L1259 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] [2022-11-20 09:27:22,212 WARN L1259 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] [2022-11-20 09:27:22,213 WARN L1259 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] [2022-11-20 09:27:22,213 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3513] [2022-11-20 09:27:22,214 WARN L1259 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] [2022-11-20 09:27:22,214 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3521] [2022-11-20 09:27:22,214 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3524] [2022-11-20 09:27:22,223 WARN L1259 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] [2022-11-20 09:27:22,224 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name install at C: (*install)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3840] [2022-11-20 09:27:22,224 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name remove at C: (*remove)(struct tty_driver___0 *driver , struct tty_struct___0 *tty ) [3841] [2022-11-20 09:27:22,225 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_init at C: (*poll_init)(struct tty_driver___0 *driver , int line , char *options ) [3872] [2022-11-20 09:27:22,225 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name poll_get_char at C: (*poll_get_char)(struct tty_driver___0 *driver , int line ) [3873] [2022-11-20 09:27:22,226 WARN L1259 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] [2022-11-20 09:27:22,227 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3934] [2022-11-20 09:27:22,228 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3935] [2022-11-20 09:27:22,228 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3936] [2022-11-20 09:27:22,228 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3937] [2022-11-20 09:27:22,228 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3938] [2022-11-20 09:27:22,229 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3939] [2022-11-20 09:27:22,264 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/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] [2022-11-20 09:27:22,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:22,457 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:22,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22 WrapperNode [2022-11-20 09:27:22,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:22,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:22,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:22,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:22,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,624 INFO L138 Inliner]: procedures = 107, calls = 1022, calls flagged for inlining = 45, calls inlined = 43, statements flattened = 1834 [2022-11-20 09:27:22,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:22,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:22,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:22,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:22,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,719 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:22,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:22,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:22,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:22,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (1/1) ... [2022-11-20 09:27:22,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:22,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:22,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:22,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:27:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:27:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-11-20 09:27:22,838 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-11-20 09:27:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:27:22,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:27:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-11-20 09:27:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-11-20 09:27:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-20 09:27:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-20 09:27:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:27:22,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:27:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 09:27:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 09:27:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-11-20 09:27:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-11-20 09:27:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 09:27:22,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 09:27:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-11-20 09:27:22,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-11-20 09:27:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 09:27:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 09:27:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-11-20 09:27:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-11-20 09:27:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:27:22,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:27:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:27:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-20 09:27:22,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-20 09:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-11-20 09:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-20 09:27:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-20 09:27:22,846 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-11-20 09:27:22,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-11-20 09:27:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:27:22,847 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-11-20 09:27:22,847 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-11-20 09:27:22,849 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-11-20 09:27:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-11-20 09:27:22,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-11-20 09:27:22,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-11-20 09:27:22,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-11-20 09:27:22,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-11-20 09:27:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-11-20 09:27:22,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 09:27:22,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 09:27:22,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-11-20 09:27:22,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-11-20 09:27:22,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:22,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:23,308 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:23,314 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:23,474 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:27:23,587 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-20 09:27:26,285 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:26,307 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:26,307 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:27:26,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:26 BoogieIcfgContainer [2022-11-20 09:27:26,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:26,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:26,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:26,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:26,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:20" (1/3) ... [2022-11-20 09:27:26,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721a97b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:26, skipping insertion in model container [2022-11-20 09:27:26,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:22" (2/3) ... [2022-11-20 09:27:26,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721a97b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:26, skipping insertion in model container [2022-11-20 09:27:26,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:26" (3/3) ... [2022-11-20 09:27:26,324 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-4ed3cba-1-100_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-11-20 09:27:26,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:26,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:26,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:26,448 INFO L357 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, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@72a6a3d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:26,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand has 397 states, 313 states have (on average 1.4792332268370607) internal successors, (463), 322 states have internal predecessors, (463), 62 states have call successors, (62), 22 states have call predecessors, (62), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2022-11-20 09:27:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 09:27:26,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:26,480 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:26,481 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:26,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:26,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1231564632, now seen corresponding path program 1 times [2022-11-20 09:27:26,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:26,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [785065532] [2022-11-20 09:27:26,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:26,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:26,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:26,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:26,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:27:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:27,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1937 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 09:27:27,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 09:27:27,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:27:27,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:27,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [785065532] [2022-11-20 09:27:27,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [785065532] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:27,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:27,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:27:27,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746117803] [2022-11-20 09:27:27,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:28,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:27:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:27:28,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:28,035 INFO L87 Difference]: Start difference. First operand has 397 states, 313 states have (on average 1.4792332268370607) internal successors, (463), 322 states have internal predecessors, (463), 62 states have call successors, (62), 22 states have call predecessors, (62), 20 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 09:27:28,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:28,448 INFO L93 Difference]: Finished difference Result 751 states and 1103 transitions. [2022-11-20 09:27:28,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:27:28,451 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-11-20 09:27:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:28,465 INFO L225 Difference]: With dead ends: 751 [2022-11-20 09:27:28,465 INFO L226 Difference]: Without dead ends: 344 [2022-11-20 09:27:28,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:27:28,473 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 34 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1899 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:28,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1899 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 09:27:28,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2022-11-20 09:27:28,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 342. [2022-11-20 09:27:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 266 states have (on average 1.413533834586466) internal successors, (376), 268 states have internal predecessors, (376), 55 states have call successors, (55), 21 states have call predecessors, (55), 20 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-20 09:27:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 485 transitions. [2022-11-20 09:27:28,547 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 485 transitions. Word has length 55 [2022-11-20 09:27:28,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:28,547 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 485 transitions. [2022-11-20 09:27:28,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 09:27:28,548 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 485 transitions. [2022-11-20 09:27:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 09:27:28,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:28,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:28,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:28,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:28,775 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:28,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1625900424, now seen corresponding path program 1 times [2022-11-20 09:27:28,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:28,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187345593] [2022-11-20 09:27:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:28,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:28,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 09:27:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:30,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 1954 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:27:30,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 09:27:30,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:27:30,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:30,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187345593] [2022-11-20 09:27:30,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187345593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:27:30,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:27:30,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 09:27:30,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7828661] [2022-11-20 09:27:30,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:27:30,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:27:30,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:30,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:27:30,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:27:30,111 INFO L87 Difference]: Start difference. First operand 342 states and 485 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 09:27:30,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:30,203 INFO L93 Difference]: Finished difference Result 657 states and 940 transitions. [2022-11-20 09:27:30,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 09:27:30,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 61 [2022-11-20 09:27:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:30,211 INFO L225 Difference]: With dead ends: 657 [2022-11-20 09:27:30,211 INFO L226 Difference]: Without dead ends: 343 [2022-11-20 09:27:30,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:27:30,223 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 2 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1395 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:30,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1395 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:27:30,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2022-11-20 09:27:30,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2022-11-20 09:27:30,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 267 states have (on average 1.4119850187265917) internal successors, (377), 269 states have internal predecessors, (377), 55 states have call successors, (55), 21 states have call predecessors, (55), 20 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-20 09:27:30,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 486 transitions. [2022-11-20 09:27:30,273 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 486 transitions. Word has length 61 [2022-11-20 09:27:30,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:30,274 INFO L495 AbstractCegarLoop]: Abstraction has 343 states and 486 transitions. [2022-11-20 09:27:30,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 09:27:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 486 transitions. [2022-11-20 09:27:30,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 09:27:30,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:30,281 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:30,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:30,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:30,503 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash -254069280, now seen corresponding path program 1 times [2022-11-20 09:27:30,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:30,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336331] [2022-11-20 09:27:30,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:30,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:30,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:30,515 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:30,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 09:27:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:27:31,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1976 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:27:31,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:27:31,722 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 09:27:31,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:27:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 09:27:31,906 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:27:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336331] [2022-11-20 09:27:31,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336331] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:27:31,907 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:27:31,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 09:27:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120264620] [2022-11-20 09:27:31,907 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 09:27:31,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:27:31,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:27:31,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:27:31,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:27:31,909 INFO L87 Difference]: Start difference. First operand 343 states and 486 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 09:27:32,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:27:32,148 INFO L93 Difference]: Finished difference Result 663 states and 949 transitions. [2022-11-20 09:27:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:27:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-11-20 09:27:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:27:32,152 INFO L225 Difference]: With dead ends: 663 [2022-11-20 09:27:32,152 INFO L226 Difference]: Without dead ends: 346 [2022-11-20 09:27:32,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:27:32,159 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 7 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3250 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:27:32,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3250 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 09:27:32,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2022-11-20 09:27:32,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 346. [2022-11-20 09:27:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 270 states have (on average 1.4074074074074074) internal successors, (380), 272 states have internal predecessors, (380), 55 states have call successors, (55), 21 states have call predecessors, (55), 20 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2022-11-20 09:27:32,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 489 transitions. [2022-11-20 09:27:32,213 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 489 transitions. Word has length 63 [2022-11-20 09:27:32,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:27:32,214 INFO L495 AbstractCegarLoop]: Abstraction has 346 states and 489 transitions. [2022-11-20 09:27:32,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 09:27:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 489 transitions. [2022-11-20 09:27:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 09:27:32,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:32,216 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:27:32,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-20 09:27:32,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:32,436 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:32,436 INFO L85 PathProgramCache]: Analyzing trace with hash -66426872, now seen corresponding path program 2 times [2022-11-20 09:27:32,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:27:32,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442446881] [2022-11-20 09:27:32,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 09:27:32,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:32,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:27:32,440 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:27:32,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 09:27:38,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 09:27:38,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-20 09:27:38,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:27:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:27:44,722 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 09:27:44,722 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:27:44,723 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:27:44,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:27:44,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:27:44,950 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2022-11-20 09:27:44,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:27:44,994 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 09:27:45,009 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 09:27:45,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:27:45 BoogieIcfgContainer [2022-11-20 09:27:45,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:27:45,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:27:45,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:27:45,096 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:27:45,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:26" (3/4) ... [2022-11-20 09:27:45,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:27:45,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:27:45,100 INFO L158 Benchmark]: Toolchain (without parser) took 24579.96ms. Allocated memory was 71.3MB in the beginning and 262.1MB in the end (delta: 190.8MB). Free memory was 44.6MB in the beginning and 182.4MB in the end (delta: -137.8MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,101 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:45,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1937.35ms. Allocated memory was 71.3MB in the beginning and 132.1MB in the end (delta: 60.8MB). Free memory was 44.4MB in the beginning and 78.0MB in the end (delta: -33.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.93ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 65.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,102 INFO L158 Benchmark]: Boogie Preprocessor took 125.22ms. Allocated memory is still 132.1MB. Free memory was 65.4MB in the beginning and 53.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,102 INFO L158 Benchmark]: RCFGBuilder took 3560.41ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 53.5MB in the beginning and 160.2MB in the end (delta: -106.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,103 INFO L158 Benchmark]: TraceAbstraction took 18780.97ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 159.1MB in the beginning and 182.4MB in the end (delta: -23.3MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. [2022-11-20 09:27:45,103 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 262.1MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:27:45,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 50.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1937.35ms. Allocated memory was 71.3MB in the beginning and 132.1MB in the end (delta: 60.8MB). Free memory was 44.4MB in the beginning and 78.0MB in the end (delta: -33.6MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.93ms. Allocated memory is still 132.1MB. Free memory was 78.0MB in the beginning and 65.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.22ms. Allocated memory is still 132.1MB. Free memory was 65.4MB in the beginning and 53.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3560.41ms. Allocated memory was 132.1MB in the beginning and 218.1MB in the end (delta: 86.0MB). Free memory was 53.5MB in the beginning and 160.2MB in the end (delta: -106.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18780.97ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 159.1MB in the beginning and 182.4MB in the end (delta: -23.3MB). Peak memory consumption was 119.3MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 262.1MB. Free memory is still 182.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, 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 ; 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={0:0}, debug=0, id_table={29:0}, 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, ldvarg0={144115188075856026:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4920] CALL, EXPR ldv_zalloc(24UL) 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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [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 [\old(size)=24, \result={0:0}, __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, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-2147483648, usb_counter=0] [L4920] RET, EXPR ldv_zalloc(24UL) 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={0:0}, debug=0, id_table={29:0}, 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, ldv_zalloc(24UL)={0:0}, ldvarg0={144115188075856026:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4920] tmp = ldv_zalloc(24UL) [L4921] ldvarg1 = (struct usb_device_id *)tmp 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={0:0}, debug=0, id_table={29:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L4922] CALL, EXPR ldv_zalloc(1UL) 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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [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 [\old(size)=1, \result={0:0}, __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, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp___0=-2147483648, usb_counter=0] [L4922] RET, EXPR ldv_zalloc(1UL) 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={0:0}, debug=0, id_table={29:0}, 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, ldv_zalloc(1UL)={0:0}, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, 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 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={0:0}, debug=0, id_table={29:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4926] CALL, EXPR ldv_zalloc(24UL) 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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [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 [\old(size)=24, \result={0:0}, __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, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-2147483648, usb_counter=0] [L4926] RET, EXPR ldv_zalloc(24UL) 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={0:0}, debug=0, id_table={29:0}, 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, ldv_zalloc(24UL)={0:0}, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4926] tmp___2 = ldv_zalloc(24UL) [L4927] ldvarg5 = (struct usb_device_id *)tmp___2 [L4928] CALL ldv_initialize() [L5301] CALL, EXPR ldv_malloc(sizeof(struct tty_struct___0)) VAL [\old(size)=2516, __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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4329] void *p ; [L4330] void *tmp ; [L4331] int tmp___0 ; [L4333] tmp___0 = __VERIFIER_nondet_int() [L4334] COND FALSE !(tmp___0 != 0) [L4337] tmp = malloc(size) [L4338] p = tmp VAL [\old(size)=2516, __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={0:0}, debug=0, id_table={29:0}, 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, p={58:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2516, tmp={58:0}, tmp___0=0, usb_counter=0] [L4339] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __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={0:0}, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4325] COND FALSE !(!cond) VAL [\old(cond)=1, __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={0:0}, cond=1, debug=0, id_table={29:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4339] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2516, __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={0:0}, debug=0, id_table={29:0}, 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, p={58:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2516, tmp={58:0}, tmp___0=0, usb_counter=0] [L4340] return (p); VAL [\old(size)=2516, \result={58:0}, __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, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={29:0}, 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, p={58:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2516, tmp={58:0}, tmp___0=0, usb_counter=0] [L5301] RET, EXPR ldv_malloc(sizeof(struct tty_struct___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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_malloc(sizeof(struct tty_struct___0))={58:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4928] RET ldv_initialize() [L4929] FCALL memset((void *)(& ldvarg0), 0, 4UL) 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={144115188075856026:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4930] FCALL memset((void *)(& ldvarg4), 0, 4UL) 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={138:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L5157] COND TRUE ldv_state_variable_0 == 1 [L5158] CALL, EXPR qcinit() [L4842] int retval ; [L4844] CALL, EXPR usb_serial_register(& qcdevice) [L5392] return __VERIFIER_nondet_int(); [L4844] RET, EXPR usb_serial_register(& qcdevice) [L4844] retval = usb_serial_register(& qcdevice) [L4845] COND TRUE retval != 0 [L4846] return (retval); VAL [\result=-2147483648, __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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-2147483648, usb_counter=0] [L5158] RET, EXPR qcinit() [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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=-2147483648, 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, ldvarg0={144115188075856026:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={138:0}, ldvarg5={0:0}, qcdevice={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L5252] FCALL ldv_check_final_state() [L5253] CALL ldv_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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=-2147483648, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, 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={0:0}, debug=0, id_table={29:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={58:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=-2147483648, 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={31:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={30:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 399 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 44 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 43 mSDsluCounter, 6544 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5132 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 1412 mSDtfsCounter, 48 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=397occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 8.7s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 248 NumberOfCodeBlocks, 248 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5867 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 66/74 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 [2022-11-20 09:27:45,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4d2da62-60ff-4556-a8f7-ee248543dee8/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample