./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:17:00,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:17:00,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:17:00,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:17:00,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:17:00,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:17:00,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:17:00,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:17:00,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:17:00,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:17:00,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:17:00,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:17:00,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:17:00,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:17:00,880 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:17:00,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:17:00,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:17:00,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:17:00,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:17:00,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:17:00,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:17:00,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:17:00,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:17:00,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:17:00,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:17:00,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:17:00,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:17:00,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:17:00,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:17:00,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:17:00,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:17:00,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:17:00,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:17:00,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:17:00,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:17:00,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:17:00,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:17:00,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:17:00,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:17:00,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:17:00,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:17:00,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:17:00,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:17:00,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:17:00,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:17:00,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:17:00,914 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:17:00,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:17:00,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:17:00,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:17:00,915 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:17:00,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:17:00,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:17:00,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:17:00,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:17:00,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:17:00,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:00,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:17:00,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:17:00,918 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:17:00,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:17:00,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:17:00,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:17:00,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2021-12-18 05:17:01,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:17:01,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:17:01,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:17:01,179 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:17:01,180 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:17:01,181 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:01,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2504db3af/4503385740934900be9a7d62236d05ad/FLAG8e6da50ba [2021-12-18 05:17:01,742 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:17:01,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:01,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2504db3af/4503385740934900be9a7d62236d05ad/FLAG8e6da50ba [2021-12-18 05:17:01,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2504db3af/4503385740934900be9a7d62236d05ad [2021-12-18 05:17:01,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:17:01,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:17:01,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:01,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:17:01,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:17:01,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:01" (1/1) ... [2021-12-18 05:17:01,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91ac989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:01, skipping insertion in model container [2021-12-18 05:17:01,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:01" (1/1) ... [2021-12-18 05:17:01,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:17:02,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:17:02,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-12-18 05:17:02,565 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:02,592 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:17:02,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-12-18 05:17:02,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:02,788 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:17:02,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02 WrapperNode [2021-12-18 05:17:02,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:02,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:02,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:17:02,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:17:02,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:02,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:02,926 INFO L137 Inliner]: procedures = 96, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1808 [2021-12-18 05:17:02,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:02,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:17:02,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:17:02,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:17:02,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:02,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:02,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:02,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:03,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:03,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:03,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:03,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:17:03,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:17:03,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:17:03,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:17:03,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (1/1) ... [2021-12-18 05:17:03,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:03,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:03,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 05:17:03,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 05:17:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:17:03,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:17:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:17:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-18 05:17:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-18 05:17:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-18 05:17:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-18 05:17:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:17:03,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:17:03,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:17:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-18 05:17:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-18 05:17:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-18 05:17:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-18 05:17:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-18 05:17:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-18 05:17:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:17:03,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 05:17:03,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 05:17:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-18 05:17:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-18 05:17:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:17:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:17:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:17:03,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:17:03,115 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-18 05:17:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-18 05:17:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:17:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:17:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-18 05:17:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-18 05:17:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-18 05:17:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 05:17:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-18 05:17:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-18 05:17:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:17:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:17:03,393 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:17:03,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:17:03,454 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:17:04,134 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:17:04,146 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:17:04,146 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:17:04,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:04 BoogieIcfgContainer [2021-12-18 05:17:04,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:17:04,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:17:04,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:17:04,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:17:04,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:17:01" (1/3) ... [2021-12-18 05:17:04,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af7c2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:04, skipping insertion in model container [2021-12-18 05:17:04,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:02" (2/3) ... [2021-12-18 05:17:04,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af7c2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:04, skipping insertion in model container [2021-12-18 05:17:04,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:04" (3/3) ... [2021-12-18 05:17:04,154 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:04,157 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:17:04,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:17:04,195 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:17:04,199 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:17:04,199 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:17:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-12-18 05:17:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-18 05:17:04,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:04,219 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:04,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:04,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:04,224 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2021-12-18 05:17:04,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:04,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484633816] [2021-12-18 05:17:04,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:04,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-18 05:17:04,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:04,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484633816] [2021-12-18 05:17:04,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484633816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:04,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:04,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:17:04,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785980633] [2021-12-18 05:17:04,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:04,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:04,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:04,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:04,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:04,704 INFO L87 Difference]: Start difference. First operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:05,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:05,436 INFO L93 Difference]: Finished difference Result 1094 states and 1609 transitions. [2021-12-18 05:17:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:17:05,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2021-12-18 05:17:05,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:05,453 INFO L225 Difference]: With dead ends: 1094 [2021-12-18 05:17:05,453 INFO L226 Difference]: Without dead ends: 699 [2021-12-18 05:17:05,465 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:05,468 INFO L933 BasicCegarLoop]: 599 mSDtfsCounter, 604 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1753 SdHoareTripleChecker+Invalid, 626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:05,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [656 Valid, 1753 Invalid, 626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:17:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-18 05:17:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 675. [2021-12-18 05:17:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 526 states have (on average 1.420152091254753) internal successors, (747), 529 states have internal predecessors, (747), 113 states have call successors, (113), 36 states have call predecessors, (113), 35 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2021-12-18 05:17:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 972 transitions. [2021-12-18 05:17:05,550 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 972 transitions. Word has length 48 [2021-12-18 05:17:05,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:05,550 INFO L470 AbstractCegarLoop]: Abstraction has 675 states and 972 transitions. [2021-12-18 05:17:05,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 972 transitions. [2021-12-18 05:17:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-12-18 05:17:05,565 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:05,565 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:05,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:17:05,565 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:05,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:05,566 INFO L85 PathProgramCache]: Analyzing trace with hash 390664964, now seen corresponding path program 1 times [2021-12-18 05:17:05,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:05,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707899088] [2021-12-18 05:17:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:05,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-18 05:17:05,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:05,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707899088] [2021-12-18 05:17:05,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707899088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:05,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:05,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:17:05,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280141197] [2021-12-18 05:17:05,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:05,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:05,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:05,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:05,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:05,756 INFO L87 Difference]: Start difference. First operand 675 states and 972 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:06,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:06,228 INFO L93 Difference]: Finished difference Result 1495 states and 2155 transitions. [2021-12-18 05:17:06,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:17:06,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2021-12-18 05:17:06,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:06,232 INFO L225 Difference]: With dead ends: 1495 [2021-12-18 05:17:06,232 INFO L226 Difference]: Without dead ends: 837 [2021-12-18 05:17:06,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:17:06,235 INFO L933 BasicCegarLoop]: 532 mSDtfsCounter, 227 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:06,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 1564 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 05:17:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2021-12-18 05:17:06,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 820. [2021-12-18 05:17:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 652 states have (on average 1.4248466257668713) internal successors, (929), 656 states have internal predecessors, (929), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1176 transitions. [2021-12-18 05:17:06,292 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1176 transitions. Word has length 72 [2021-12-18 05:17:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:06,293 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 1176 transitions. [2021-12-18 05:17:06,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1176 transitions. [2021-12-18 05:17:06,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 05:17:06,295 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:06,295 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:06,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:17:06,307 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:06,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:06,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1325133881, now seen corresponding path program 1 times [2021-12-18 05:17:06,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:06,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72856003] [2021-12-18 05:17:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:06,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 05:17:06,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:06,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72856003] [2021-12-18 05:17:06,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72856003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:06,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:06,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:17:06,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875805794] [2021-12-18 05:17:06,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:06,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:06,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:06,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:06,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:06,498 INFO L87 Difference]: Start difference. First operand 820 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 05:17:06,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:06,854 INFO L93 Difference]: Finished difference Result 1634 states and 2352 transitions. [2021-12-18 05:17:06,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:06,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2021-12-18 05:17:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:06,861 INFO L225 Difference]: With dead ends: 1634 [2021-12-18 05:17:06,861 INFO L226 Difference]: Without dead ends: 831 [2021-12-18 05:17:06,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:17:06,864 INFO L933 BasicCegarLoop]: 501 mSDtfsCounter, 503 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:06,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [558 Valid, 1122 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:17:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2021-12-18 05:17:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 820. [2021-12-18 05:17:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 652 states have (on average 1.4003067484662577) internal successors, (913), 656 states have internal predecessors, (913), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:06,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1160 transitions. [2021-12-18 05:17:06,909 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1160 transitions. Word has length 103 [2021-12-18 05:17:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:06,909 INFO L470 AbstractCegarLoop]: Abstraction has 820 states and 1160 transitions. [2021-12-18 05:17:06,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 05:17:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1160 transitions. [2021-12-18 05:17:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 05:17:06,911 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:06,912 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:06,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:17:06,912 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:06,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:06,912 INFO L85 PathProgramCache]: Analyzing trace with hash 762669387, now seen corresponding path program 1 times [2021-12-18 05:17:06,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:06,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558279482] [2021-12-18 05:17:06,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:06,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 05:17:07,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:07,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558279482] [2021-12-18 05:17:07,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558279482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:07,083 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:07,083 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:17:07,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747452410] [2021-12-18 05:17:07,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:07,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:17:07,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:07,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:17:07,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:17:07,085 INFO L87 Difference]: Start difference. First operand 820 states and 1160 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 05:17:07,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:07,868 INFO L93 Difference]: Finished difference Result 2449 states and 3476 transitions. [2021-12-18 05:17:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:17:07,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 103 [2021-12-18 05:17:07,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:07,876 INFO L225 Difference]: With dead ends: 2449 [2021-12-18 05:17:07,877 INFO L226 Difference]: Without dead ends: 1646 [2021-12-18 05:17:07,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:17:07,880 INFO L933 BasicCegarLoop]: 944 mSDtfsCounter, 699 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 3287 SdHoareTripleChecker+Invalid, 787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:07,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [721 Valid, 3287 Invalid, 787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:17:07,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2021-12-18 05:17:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1107. [2021-12-18 05:17:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 883 states have (on average 1.4122310305775765) internal successors, (1247), 888 states have internal predecessors, (1247), 164 states have call successors, (164), 60 states have call predecessors, (164), 59 states have return successors, (163), 160 states have call predecessors, (163), 163 states have call successors, (163) [2021-12-18 05:17:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1574 transitions. [2021-12-18 05:17:07,921 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1574 transitions. Word has length 103 [2021-12-18 05:17:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:07,922 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 1574 transitions. [2021-12-18 05:17:07,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2021-12-18 05:17:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1574 transitions. [2021-12-18 05:17:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-18 05:17:07,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:07,925 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:07,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:17:07,926 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:07,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:07,926 INFO L85 PathProgramCache]: Analyzing trace with hash -258398967, now seen corresponding path program 1 times [2021-12-18 05:17:07,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:07,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123218401] [2021-12-18 05:17:07,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:07,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 05:17:08,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:08,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123218401] [2021-12-18 05:17:08,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123218401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:08,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:08,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:17:08,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862721032] [2021-12-18 05:17:08,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:08,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:08,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:08,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:08,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:08,078 INFO L87 Difference]: Start difference. First operand 1107 states and 1574 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:17:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:08,478 INFO L93 Difference]: Finished difference Result 2118 states and 3046 transitions. [2021-12-18 05:17:08,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 05:17:08,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2021-12-18 05:17:08,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:08,483 INFO L225 Difference]: With dead ends: 2118 [2021-12-18 05:17:08,483 INFO L226 Difference]: Without dead ends: 942 [2021-12-18 05:17:08,485 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:08,485 INFO L933 BasicCegarLoop]: 581 mSDtfsCounter, 456 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:08,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 1428 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:17:08,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2021-12-18 05:17:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 929. [2021-12-18 05:17:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 929 states, 739 states have (on average 1.419485791610284) internal successors, (1049), 743 states have internal predecessors, (1049), 141 states have call successors, (141), 49 states have call predecessors, (141), 48 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2021-12-18 05:17:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1330 transitions. [2021-12-18 05:17:08,512 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1330 transitions. Word has length 103 [2021-12-18 05:17:08,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:08,512 INFO L470 AbstractCegarLoop]: Abstraction has 929 states and 1330 transitions. [2021-12-18 05:17:08,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:17:08,512 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1330 transitions. [2021-12-18 05:17:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-18 05:17:08,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:08,514 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:08,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 05:17:08,515 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:08,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:08,515 INFO L85 PathProgramCache]: Analyzing trace with hash 611897207, now seen corresponding path program 1 times [2021-12-18 05:17:08,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:08,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985893086] [2021-12-18 05:17:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:08,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 05:17:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-12-18 05:17:08,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:08,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985893086] [2021-12-18 05:17:08,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985893086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:08,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:08,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 05:17:08,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236095574] [2021-12-18 05:17:08,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:08,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 05:17:08,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:08,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 05:17:08,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:17:08,737 INFO L87 Difference]: Start difference. First operand 929 states and 1330 transitions. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 05:17:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:09,521 INFO L93 Difference]: Finished difference Result 1981 states and 2945 transitions. [2021-12-18 05:17:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:17:09,521 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 105 [2021-12-18 05:17:09,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:09,527 INFO L225 Difference]: With dead ends: 1981 [2021-12-18 05:17:09,527 INFO L226 Difference]: Without dead ends: 1617 [2021-12-18 05:17:09,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-12-18 05:17:09,529 INFO L933 BasicCegarLoop]: 798 mSDtfsCounter, 1558 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 4312 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:09,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1558 Valid, 4312 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:17:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2021-12-18 05:17:09,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 939. [2021-12-18 05:17:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 749 states have (on average 1.4138851802403205) internal successors, (1059), 753 states have internal predecessors, (1059), 141 states have call successors, (141), 49 states have call predecessors, (141), 48 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2021-12-18 05:17:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1340 transitions. [2021-12-18 05:17:09,567 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1340 transitions. Word has length 105 [2021-12-18 05:17:09,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:09,568 INFO L470 AbstractCegarLoop]: Abstraction has 939 states and 1340 transitions. [2021-12-18 05:17:09,568 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 05:17:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1340 transitions. [2021-12-18 05:17:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-18 05:17:09,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:09,571 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:09,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 05:17:09,571 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash -483555880, now seen corresponding path program 1 times [2021-12-18 05:17:09,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:09,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909966586] [2021-12-18 05:17:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:09,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 05:17:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 05:17:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 05:17:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 05:17:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-18 05:17:09,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:09,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909966586] [2021-12-18 05:17:09,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909966586] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:09,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:09,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:17:09,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369798575] [2021-12-18 05:17:09,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:09,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:17:09,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:09,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:17:09,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:17:09,734 INFO L87 Difference]: Start difference. First operand 939 states and 1340 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-18 05:17:10,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:10,428 INFO L93 Difference]: Finished difference Result 1915 states and 2779 transitions. [2021-12-18 05:17:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 05:17:10,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2021-12-18 05:17:10,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:10,432 INFO L225 Difference]: With dead ends: 1915 [2021-12-18 05:17:10,433 INFO L226 Difference]: Without dead ends: 1078 [2021-12-18 05:17:10,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:17:10,435 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 424 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:10,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 2197 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-18 05:17:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2021-12-18 05:17:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1051. [2021-12-18 05:17:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 879 states have (on average 1.3856655290102389) internal successors, (1218), 882 states have internal predecessors, (1218), 120 states have call successors, (120), 52 states have call predecessors, (120), 51 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2021-12-18 05:17:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1457 transitions. [2021-12-18 05:17:10,471 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1457 transitions. Word has length 112 [2021-12-18 05:17:10,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:10,471 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 1457 transitions. [2021-12-18 05:17:10,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (13), 6 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-18 05:17:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1457 transitions. [2021-12-18 05:17:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-18 05:17:10,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:10,474 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:10,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 05:17:10,474 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:10,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:10,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1850212731, now seen corresponding path program 1 times [2021-12-18 05:17:10,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:10,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346647757] [2021-12-18 05:17:10,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:10,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 05:17:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 05:17:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 05:17:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-12-18 05:17:10,675 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:10,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346647757] [2021-12-18 05:17:10,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346647757] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:17:10,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043621895] [2021-12-18 05:17:10,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:10,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:10,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:10,677 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:17:10,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:17:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-18 05:17:11,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-18 05:17:11,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:11,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043621895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:11,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:17:11,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2021-12-18 05:17:11,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132112248] [2021-12-18 05:17:11,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:11,382 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:11,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:11,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:11,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:11,383 INFO L87 Difference]: Start difference. First operand 1051 states and 1457 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:11,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:11,471 INFO L93 Difference]: Finished difference Result 2157 states and 2991 transitions. [2021-12-18 05:17:11,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:11,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 111 [2021-12-18 05:17:11,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:11,475 INFO L225 Difference]: With dead ends: 2157 [2021-12-18 05:17:11,476 INFO L226 Difference]: Without dead ends: 1120 [2021-12-18 05:17:11,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:17:11,479 INFO L933 BasicCegarLoop]: 606 mSDtfsCounter, 96 mSDsluCounter, 1105 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:11,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 1711 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:17:11,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2021-12-18 05:17:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1109. [2021-12-18 05:17:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1109 states, 930 states have (on average 1.389247311827957) internal successors, (1292), 934 states have internal predecessors, (1292), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1539 transitions. [2021-12-18 05:17:11,525 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1539 transitions. Word has length 111 [2021-12-18 05:17:11,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:11,525 INFO L470 AbstractCegarLoop]: Abstraction has 1109 states and 1539 transitions. [2021-12-18 05:17:11,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1539 transitions. [2021-12-18 05:17:11,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-18 05:17:11,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:11,528 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:11,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 05:17:11,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:11,751 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:11,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash -14744375, now seen corresponding path program 1 times [2021-12-18 05:17:11,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:11,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520229343] [2021-12-18 05:17:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:11,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:17:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-18 05:17:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-18 05:17:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 05:17:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 05:17:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 05:17:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 05:17:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-12-18 05:17:11,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:11,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520229343] [2021-12-18 05:17:11,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520229343] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:17:11,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520170396] [2021-12-18 05:17:11,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:11,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:11,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:11,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:17:12,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:17:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:17:12,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:12,648 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-12-18 05:17:12,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:12,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520170396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:12,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:17:12,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2021-12-18 05:17:12,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963700686] [2021-12-18 05:17:12,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:12,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:12,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:12,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:12,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:17:12,651 INFO L87 Difference]: Start difference. First operand 1109 states and 1539 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 05:17:12,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:12,697 INFO L93 Difference]: Finished difference Result 2211 states and 3069 transitions. [2021-12-18 05:17:12,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:17:12,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 122 [2021-12-18 05:17:12,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:12,730 INFO L225 Difference]: With dead ends: 2211 [2021-12-18 05:17:12,730 INFO L226 Difference]: Without dead ends: 1110 [2021-12-18 05:17:12,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:12,732 INFO L933 BasicCegarLoop]: 509 mSDtfsCounter, 2 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1524 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 [2021-12-18 05:17:12,733 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1524 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:17:12,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-12-18 05:17:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2021-12-18 05:17:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1110 states, 931 states have (on average 1.3888292158968851) internal successors, (1293), 935 states have internal predecessors, (1293), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1540 transitions. [2021-12-18 05:17:12,769 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1540 transitions. Word has length 122 [2021-12-18 05:17:12,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:12,769 INFO L470 AbstractCegarLoop]: Abstraction has 1110 states and 1540 transitions. [2021-12-18 05:17:12,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-18 05:17:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1540 transitions. [2021-12-18 05:17:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-12-18 05:17:12,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:12,772 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:12,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:12,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-18 05:17:12,995 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1166660575, now seen corresponding path program 1 times [2021-12-18 05:17:12,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:12,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286981663] [2021-12-18 05:17:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:12,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-18 05:17:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:17:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 05:17:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 05:17:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:17:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:17:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 05:17:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-18 05:17:13,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:13,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286981663] [2021-12-18 05:17:13,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286981663] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:17:13,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142735654] [2021-12-18 05:17:13,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:13,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:13,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:17:13,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:17:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:13,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2737 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-18 05:17:13,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-18 05:17:13,967 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:17:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-12-18 05:17:14,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142735654] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:17:14,204 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-18 05:17:14,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2021-12-18 05:17:14,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298723912] [2021-12-18 05:17:14,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-18 05:17:14,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 05:17:14,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:14,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 05:17:14,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:17:14,206 INFO L87 Difference]: Start difference. First operand 1110 states and 1540 transitions. Second operand has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:17:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:14,758 INFO L93 Difference]: Finished difference Result 2223 states and 3089 transitions. [2021-12-18 05:17:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 05:17:14,759 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 124 [2021-12-18 05:17:14,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:14,763 INFO L225 Difference]: With dead ends: 2223 [2021-12-18 05:17:14,763 INFO L226 Difference]: Without dead ends: 1119 [2021-12-18 05:17:14,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:17:14,765 INFO L933 BasicCegarLoop]: 504 mSDtfsCounter, 89 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:14,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 3446 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-18 05:17:14,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-12-18 05:17:14,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1113. [2021-12-18 05:17:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 934 states have (on average 1.3875802997858673) internal successors, (1296), 938 states have internal predecessors, (1296), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1543 transitions. [2021-12-18 05:17:14,799 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1543 transitions. Word has length 124 [2021-12-18 05:17:14,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:14,800 INFO L470 AbstractCegarLoop]: Abstraction has 1113 states and 1543 transitions. [2021-12-18 05:17:14,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.333333333333334) internal successors, (100), 10 states have internal predecessors, (100), 2 states have call successors, (28), 4 states have call predecessors, (28), 5 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 05:17:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1543 transitions. [2021-12-18 05:17:14,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-18 05:17:14,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:14,802 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:14,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-18 05:17:15,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:15,016 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:15,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:15,016 INFO L85 PathProgramCache]: Analyzing trace with hash 53241033, now seen corresponding path program 2 times [2021-12-18 05:17:15,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:15,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583880816] [2021-12-18 05:17:15,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:15,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 05:17:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 05:17:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:17:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:17:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 05:17:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 05:17:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:15,423 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:15,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:15,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583880816] [2021-12-18 05:17:15,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583880816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:15,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:15,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-18 05:17:15,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332266865] [2021-12-18 05:17:15,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:15,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-18 05:17:15,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:15,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-18 05:17:15,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-18 05:17:15,425 INFO L87 Difference]: Start difference. First operand 1113 states and 1543 transitions. Second operand has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-18 05:17:16,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:16,946 INFO L93 Difference]: Finished difference Result 2829 states and 4097 transitions. [2021-12-18 05:17:16,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-18 05:17:16,947 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 130 [2021-12-18 05:17:16,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:16,955 INFO L225 Difference]: With dead ends: 2829 [2021-12-18 05:17:16,955 INFO L226 Difference]: Without dead ends: 2360 [2021-12-18 05:17:16,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2021-12-18 05:17:16,957 INFO L933 BasicCegarLoop]: 1339 mSDtfsCounter, 2841 mSDsluCounter, 6738 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 8077 SdHoareTripleChecker+Invalid, 2286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:16,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2841 Valid, 8077 Invalid, 2286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 05:17:16,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2021-12-18 05:17:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 1116. [2021-12-18 05:17:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 937 states have (on average 1.3863393810032016) internal successors, (1299), 941 states have internal predecessors, (1299), 124 states have call successors, (124), 55 states have call predecessors, (124), 54 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1546 transitions. [2021-12-18 05:17:17,008 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1546 transitions. Word has length 130 [2021-12-18 05:17:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:17,008 INFO L470 AbstractCegarLoop]: Abstraction has 1116 states and 1546 transitions. [2021-12-18 05:17:17,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.0) internal successors, (78), 11 states have internal predecessors, (78), 3 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-18 05:17:17,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1546 transitions. [2021-12-18 05:17:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 05:17:17,011 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:17,011 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:17,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 05:17:17,012 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1433788225, now seen corresponding path program 1 times [2021-12-18 05:17:17,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:17,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719250227] [2021-12-18 05:17:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:17,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:17:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:17:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:17:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:17:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 05:17:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:17:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-18 05:17:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-18 05:17:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 05:17:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 05:17:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 05:17:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,260 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:17,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:17:17,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719250227] [2021-12-18 05:17:17,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719250227] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:17:17,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893232096] [2021-12-18 05:17:17,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:17,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:17,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:17,263 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:17:17,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:17:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:17,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:17:17,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:17,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:17,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893232096] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:17,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:17:17,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2021-12-18 05:17:17,926 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096351544] [2021-12-18 05:17:17,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:17,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:17,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:17:17,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:17,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:17:17,929 INFO L87 Difference]: Start difference. First operand 1116 states and 1546 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-18 05:17:18,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:18,183 INFO L93 Difference]: Finished difference Result 2628 states and 3613 transitions. [2021-12-18 05:17:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:17:18,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 138 [2021-12-18 05:17:18,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:18,189 INFO L225 Difference]: With dead ends: 2628 [2021-12-18 05:17:18,189 INFO L226 Difference]: Without dead ends: 1676 [2021-12-18 05:17:18,191 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:17:18,191 INFO L933 BasicCegarLoop]: 901 mSDtfsCounter, 598 mSDsluCounter, 1852 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:18,192 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [624 Valid, 2753 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:17:18,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2021-12-18 05:17:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1122. [2021-12-18 05:17:18,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1122 states, 941 states have (on average 1.3868225292242295) internal successors, (1305), 945 states have internal predecessors, (1305), 126 states have call successors, (126), 55 states have call predecessors, (126), 54 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2021-12-18 05:17:18,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1556 transitions. [2021-12-18 05:17:18,231 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1556 transitions. Word has length 138 [2021-12-18 05:17:18,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:18,231 INFO L470 AbstractCegarLoop]: Abstraction has 1122 states and 1556 transitions. [2021-12-18 05:17:18,231 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-18 05:17:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1556 transitions. [2021-12-18 05:17:18,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 05:17:18,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:18,233 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:18,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:18,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:17:18,455 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:18,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:18,455 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2021-12-18 05:17:18,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:17:18,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201154503] [2021-12-18 05:17:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:18,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:17:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:17:18,660 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 05:17:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:17:18,934 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-18 05:17:18,935 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 05:17:18,935 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 05:17:18,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 05:17:18,939 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:18,941 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 05:17:18,960 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 05:17:18,961 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 05:17:19,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:17:19 BoogieIcfgContainer [2021-12-18 05:17:19,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 05:17:19,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 05:17:19,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 05:17:19,059 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 05:17:19,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:04" (3/4) ... [2021-12-18 05:17:19,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 05:17:19,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 05:17:19,062 INFO L158 Benchmark]: Toolchain (without parser) took 17107.72ms. Allocated memory was 163.6MB in the beginning and 486.5MB in the end (delta: 323.0MB). Free memory was 128.0MB in the beginning and 356.7MB in the end (delta: -228.6MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,062 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:17:19,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.00ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 77.6MB in the end (delta: 50.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.11ms. Allocated memory is still 163.6MB. Free memory was 77.6MB in the beginning and 65.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,063 INFO L158 Benchmark]: Boogie Preprocessor took 119.93ms. Allocated memory is still 163.6MB. Free memory was 65.7MB in the beginning and 55.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,063 INFO L158 Benchmark]: RCFGBuilder took 1099.26ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 55.2MB in the beginning and 181.1MB in the end (delta: -125.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,063 INFO L158 Benchmark]: TraceAbstraction took 14909.44ms. Allocated memory was 237.0MB in the beginning and 486.5MB in the end (delta: 249.6MB). Free memory was 181.1MB in the beginning and 356.7MB in the end (delta: -175.6MB). Peak memory consumption was 279.5MB. Max. memory is 16.1GB. [2021-12-18 05:17:19,063 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 486.5MB. Free memory is still 356.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:17:19,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 44.4MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.00ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 77.6MB in the end (delta: 50.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.11ms. Allocated memory is still 163.6MB. Free memory was 77.6MB in the beginning and 65.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.93ms. Allocated memory is still 163.6MB. Free memory was 65.7MB in the beginning and 55.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1099.26ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 55.2MB in the beginning and 181.1MB in the end (delta: -125.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * TraceAbstraction took 14909.44ms. Allocated memory was 237.0MB in the beginning and 486.5MB in the end (delta: 249.6MB). Free memory was 181.1MB in the beginning and 356.7MB in the end (delta: -175.6MB). Peak memory consumption was 279.5MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 486.5MB. Free memory is still 356.7MB. 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: 3359]: 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 3515, overapproximation of bitwiseOr at line 3430. Possible FailurePath: [L3435] int LDV_IN_INTERRUPT = 1; [L3436] int ldv_state_variable_2 ; [L3437] int ref_cnt ; [L3438] struct usb_serial *qcdevice_group1 ; [L3439] int ldv_state_variable_1 ; [L3440] struct usb_interface *qcdriver_group1 ; [L3441] int usb_counter ; [L3442] struct tty_struct *qcdevice_group0 ; [L3443] struct usb_serial_port *qcdevice_group2 ; [L3444] int ldv_state_variable_0 ; [L3560] static int debug ; [L3561-L3734] 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}}; [L3735] struct usb_device_id const __mod_usb_device_table ; [L3736-L3750] 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}; [L3908-L3914] 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, & qc_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}; [L3942] int ldv_retval_9 ; [L3943] int ldv_retval_2 ; [L3944] int ldv_retval_5 ; [L3945] int ldv_retval_0 ; [L3946] int ldv_retval_4 ; [L3947] int ldv_retval_6 ; [L3949] int ldv_retval_1 ; [L3951] int ldv_retval_8 ; [L3952] int ldv_retval_3 ; [L3953] int ldv_retval_7 ; [L4470] int ldv_alloc_count = 0; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3980] struct usb_device_id *ldvarg1 ; [L3981] void *tmp ; [L3982] unsigned char *ldvarg3 ; [L3983] void *tmp___0 ; [L3984] pm_message_t ldvarg0 ; [L3985] int ldvarg2 ; [L3986] int tmp___1 ; [L3987] pm_message_t ldvarg4 ; [L3988] struct usb_device_id *ldvarg5 ; [L3989] void *tmp___2 ; [L3990] int tmp___3 ; [L3991] int tmp___4 ; [L3992] int tmp___5 ; [L3993] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-2, usb_counter=0] [L3995] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] tmp = ldv_zalloc(24UL) [L3996] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp___0=-3, usb_counter=0] [L3997] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] tmp___0 = ldv_zalloc(1UL) [L3998] ldvarg3 = (unsigned char *)tmp___0 [L3999] tmp___1 = __VERIFIER_nondet_int() [L4000] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, usb_counter=0] [L4001] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=-5, usb_counter=0] [L4001] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, usb_counter=0] [L4001] tmp___2 = ldv_zalloc(24UL) [L4002] ldvarg5 = (struct usb_device_id *)tmp___2 [L4003] FCALL ldv_initialize() [L4004] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={43:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4005] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={44:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4006] ldv_state_variable_1 = 0 [L4007] ref_cnt = 0 [L4008] ldv_state_variable_0 = 1 [L4009] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: [L4231] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4232] COND TRUE ldv_state_variable_0 == 1 [L4233] CALL, EXPR qcinit() [L3917] int retval ; [L3919] CALL, EXPR usb_serial_register(& qcdevice) [L4535] return __VERIFIER_nondet_int(); [L3919] RET, EXPR usb_serial_register(& qcdevice) [L3919] retval = usb_serial_register(& qcdevice) [L3920] COND FALSE !(retval != 0) [L3924] CALL, EXPR usb_register(& qcdriver) [L3513] int tmp ; [L3515] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4347] ldv_func_ret_type ldv_func_res ; [L4348] int tmp ; [L4350] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4521] return __VERIFIER_nondet_int(); [L4350] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4350] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4351] ldv_func_res = tmp [L4352] ldv_state_variable_2 = 1 [L4353] usb_counter = 0 [L4354] CALL ldv_usb_driver_2() [L3971] void *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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] CALL, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1232, \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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp___0=-6, usb_counter=0] [L3973] RET, EXPR ldv_zalloc(1232UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, ldv_zalloc(1232UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] tmp = ldv_zalloc(1232UL) [L3974] qcdriver_group1 = (struct usb_interface *)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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L4354] RET ldv_usb_driver_2() [L4355] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={65525:65528}, ldv_func_arg2={65525:65528}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3515] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3515] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3516] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3924] RET, EXPR usb_register(& qcdriver) [L3924] retval = usb_register(& qcdriver) [L3925] COND FALSE !(retval != 0) [L3930] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=0, usb_counter=0] [L4233] RET, EXPR qcinit() [L4233] ldv_retval_5 = qcinit() [L4234] COND FALSE !(ldv_retval_5 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___5=1, usb_counter=0] [L4239] COND TRUE ldv_retval_5 == 0 [L4240] ldv_state_variable_0 = 2 [L4241] ldv_state_variable_1 = 1 [L4242] CALL ldv_initialize_usb_serial_driver_1() [L3956] void *tmp ; [L3957] void *tmp___0 ; [L3958] void *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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] CALL, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2696, \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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2696, tmp___0=-7, usb_counter=0] [L3960] RET, EXPR ldv_zalloc(2696UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2696UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] tmp = ldv_zalloc(2696UL) [L3961] qcdevice_group0 = (struct tty_struct *)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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] CALL, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=280, \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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=280, tmp___0=-8, usb_counter=0] [L3962] RET, EXPR ldv_zalloc(280UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(280UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] tmp___0 = ldv_zalloc(280UL) [L3963] qcdevice_group1 = (struct usb_serial *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] CALL, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2304, \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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2304, tmp___0=-9, usb_counter=0] [L3964] RET, EXPR ldv_zalloc(2304UL) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2304UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] tmp___1 = ldv_zalloc(2304UL) [L3965] qcdevice_group2 = (struct usb_serial_port *)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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L4242] RET ldv_initialize_usb_serial_driver_1() [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0] [L4014] COND TRUE ldv_state_variable_1 != 0 [L4015] tmp___4 = __VERIFIER_nondet_int() [L4017] case 0: [L4031] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4032] COND TRUE ldv_state_variable_1 == 1 [L4033] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3753] struct usb_wwan_intf_private *data ; [L3754] struct usb_host_interface *intf ; [L3755] int retval ; [L3756] __u8 nintf ; [L3757] __u8 ifnum ; [L3758] void *tmp ; [L3759] struct lock_class_key __key ; [L3760] int tmp___0 ; [L3761] int tmp___1 ; [L3763] EXPR serial->interface [L3763] EXPR (serial->interface)->cur_altsetting [L3763] intf = (serial->interface)->cur_altsetting [L3764] retval = -19 VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65530:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3765] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65530:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3770] EXPR serial->dev [L3770] EXPR (serial->dev)->actconfig [L3770] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3770] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3771] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65530:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3776] EXPR intf->desc.bInterfaceNumber [L3776] ifnum = intf->desc.bInterfaceNumber [L3777] COND FALSE !(debug != 0) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, usb_counter=0] [L3782] CALL, EXPR kzalloc(96UL, 208U) [L4334] void *res ; [L4336] CALL, EXPR ldv_kzalloc_1(size, flags) [L3428] void *tmp ; [L3430] CALL, EXPR kmalloc(size, flags | 32768U) [L3420] void *tmp___2 ; [L3422] CALL, EXPR __kmalloc(size, flags) [L3415] CALL, EXPR ldv_malloc(size) [L3307] void *p ; [L3308] void *tmp ; [L3309] int tmp___0 ; [L3311] tmp___0 = __VERIFIER_nondet_int() [L3312] COND FALSE !(tmp___0 != 0) [L3315] tmp = malloc(size) [L3316] p = 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L3317] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3303] 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={65525:65528}, cond=1, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3317] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L3318] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L3415] RET, EXPR ldv_malloc(size) [L3415] return ldv_malloc(size); [L3422] RET, EXPR __kmalloc(size, flags) [L3422] tmp___2 = __kmalloc(size, flags) [L3423] return (tmp___2); VAL [\old(flags)=65529, \old(size)=96, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, flags=65529, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp___2={-18446744073709551617:0}, usb_counter=0] [L3430] RET, EXPR kmalloc(size, flags | 32768U) [L3430] tmp = kmalloc(size, flags | 32768U) [L3431] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={-18446744073709551617:0}, usb_counter=0] [L4336] RET, EXPR ldv_kzalloc_1(size, flags) [L4336] res = ldv_kzalloc_1(size, flags) [L4337] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4338] CALL ldv_alloc() [L4474] ldv_alloc_count = ldv_alloc_count + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4338] RET ldv_alloc() [L4341] return (res); VAL [\old(flags)=208, \old(size)=96, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, res={-18446744073709551617:0}, size=96, usb_counter=0] [L3782] RET, EXPR kzalloc(96UL, 208U) [L3782] tmp = kzalloc(96UL, 208U) [L3783] data = (struct usb_wwan_intf_private *)tmp VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L3784] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3788] CALL spinlock_check(& data->susp_lock) [L3402] return (& lock->ldv_5966.rlock); VAL [\result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={-18446744073709551617:0}, lock={-18446744073709551617:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3788] RET spinlock_check(& data->susp_lock) [L3789-L3790] FCALL __raw_spin_lock_init(& data->susp_lock.ldv_5966.rlock, "&(&data->susp_lock)->rlock", & __key) [L3791] EXPR serial->dev [L3791] FCALL usb_enable_autosuspend(serial->dev) [L3793] case 1: [L3794] EXPR serial->interface [L3794] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=45, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={65527:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L3794] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3797] EXPR serial->interface [L3797] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=45, __key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, serial->interface={65527:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L3797] COND TRUE (serial->interface)->num_altsetting > 2U [L3883] COND FALSE !(retval != -19) VAL [__key={42:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L3887] return (retval); [L3887] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=251, intf={65530:-13}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=-19, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L4033] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4033] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4034] COND FALSE !(ldv_retval_4 == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4224] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4225] CALL qcexit() [L3936] CALL ldv_usb_deregister_13(& qcdriver) [L4465] FCALL usb_deregister(arg) [L4466] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3936] RET ldv_usb_deregister_13(& qcdriver) [L3937] FCALL usb_serial_deregister(& qcdevice) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4225] RET qcexit() [L4226] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, ldvarg0={43:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={44:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=-4, tmp___2={0:0}, tmp___3=1, tmp___4=1, tmp___5=0, usb_counter=0] [L4327] CALL ldv_check_final_state() [L4488] COND FALSE !(ldv_alloc_count == 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4490] 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={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3359] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={65525:65528}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=-19, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 377 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8344 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8097 mSDsluCounter, 33174 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24799 mSDsCounter, 3000 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4524 IncrementalHoareTripleChecker+Invalid, 7524 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3000 mSolverCounterUnsat, 8375 mSDtfsCounter, 4524 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 956 GetRequests, 837 SyntacticMatches, 2 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1122occurred in iteration=12, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 3124 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1873 ConstructedInterpolants, 0 QuantifiedInterpolants, 3566 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10933 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1458/1486 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 05:17:19,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:17:20,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:17:20,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:17:20,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:17:20,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:17:20,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:17:20,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:17:20,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:17:20,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:17:20,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:17:20,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:17:20,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:17:20,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:17:20,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:17:20,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:17:20,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:17:20,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:17:20,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:17:21,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:17:21,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:17:21,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:17:21,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:17:21,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:17:21,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:17:21,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:17:21,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:17:21,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:17:21,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:17:21,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:17:21,035 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:17:21,035 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:17:21,036 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:17:21,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:17:21,037 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:17:21,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:17:21,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:17:21,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:17:21,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:17:21,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:17:21,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:17:21,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:17:21,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-18 05:17:21,070 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:17:21,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:17:21,071 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:17:21,071 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:17:21,072 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:17:21,072 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:17:21,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:17:21,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:17:21,074 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:17:21,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:17:21,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:17:21,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:17:21,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:17:21,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:17:21,076 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-18 05:17:21,076 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-18 05:17:21,076 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-18 05:17:21,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:17:21,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:17:21,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:17:21,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:17:21,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:17:21,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:17:21,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:21,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:17:21,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:17:21,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:17:21,079 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-18 05:17:21,079 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-18 05:17:21,079 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:17:21,079 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:17:21,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:17:21,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:17:21,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-18 05:17:21,080 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2021-12-18 05:17:21,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:17:21,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:17:21,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:17:21,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:17:21,421 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:17:21,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:21,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8968965/92881879277d4523af1bf654ffb1b4f4/FLAGb78dc70b9 [2021-12-18 05:17:22,174 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:17:22,175 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:22,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8968965/92881879277d4523af1bf654ffb1b4f4/FLAGb78dc70b9 [2021-12-18 05:17:22,505 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae8968965/92881879277d4523af1bf654ffb1b4f4 [2021-12-18 05:17:22,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:17:22,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:17:22,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:22,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:17:22,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:17:22,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:22" (1/1) ... [2021-12-18 05:17:22,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677eca1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:22, skipping insertion in model container [2021-12-18 05:17:22,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:17:22" (1/1) ... [2021-12-18 05:17:22,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:17:22,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:17:22,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-12-18 05:17:23,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:23,178 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-18 05:17:23,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:17:23,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-12-18 05:17:23,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:23,399 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:17:23,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i[95017,95030] [2021-12-18 05:17:23,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:17:23,620 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:17:23,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23 WrapperNode [2021-12-18 05:17:23,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:17:23,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:23,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:17:23,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:17:23,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,758 INFO L137 Inliner]: procedures = 105, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1743 [2021-12-18 05:17:23,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:17:23,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:17:23,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:17:23,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:17:23,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:17:23,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:17:23,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:17:23,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:17:23,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (1/1) ... [2021-12-18 05:17:23,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:17:23,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:17:23,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 05:17:23,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 05:17:24,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-18 05:17:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-18 05:17:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2021-12-18 05:17:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2021-12-18 05:17:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:17:24,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:17:24,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2021-12-18 05:17:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2021-12-18 05:17:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-12-18 05:17:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-12-18 05:17:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-18 05:17:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-18 05:17:24,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 05:17:24,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 05:17:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2021-12-18 05:17:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2021-12-18 05:17:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:17:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:17:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2021-12-18 05:17:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2021-12-18 05:17:24,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 05:17:24,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2021-12-18 05:17:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:17:24,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:17:24,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:17:24,019 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2021-12-18 05:17:24,019 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2021-12-18 05:17:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:17:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 05:17:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 05:17:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2021-12-18 05:17:24,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2021-12-18 05:17:24,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-12-18 05:17:24,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-12-18 05:17:24,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2021-12-18 05:17:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2021-12-18 05:17:24,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2021-12-18 05:17:24,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2021-12-18 05:17:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2021-12-18 05:17:24,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2021-12-18 05:17:24,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 05:17:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 05:17:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2021-12-18 05:17:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2021-12-18 05:17:24,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:17:24,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:17:24,300 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:17:24,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:17:24,388 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:17:25,547 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:17:25,554 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:17:25,554 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:17:25,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:25 BoogieIcfgContainer [2021-12-18 05:17:25,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:17:25,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:17:25,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:17:25,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:17:25,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:17:22" (1/3) ... [2021-12-18 05:17:25,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da9157d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:25, skipping insertion in model container [2021-12-18 05:17:25,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:17:23" (2/3) ... [2021-12-18 05:17:25,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da9157d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:17:25, skipping insertion in model container [2021-12-18 05:17:25,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:25" (3/3) ... [2021-12-18 05:17:25,566 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2021-12-18 05:17:25,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:17:25,569 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:17:25,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:17:25,616 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 05:17:25,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:17:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2021-12-18 05:17:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-18 05:17:25,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:25,645 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:25,645 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:25,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:25,649 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2021-12-18 05:17:25,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:25,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209952570] [2021-12-18 05:17:25,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:25,661 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:25,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:25,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:25,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-18 05:17:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:26,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-18 05:17:26,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-18 05:17:26,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:26,622 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:26,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209952570] [2021-12-18 05:17:26,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209952570] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:26,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:26,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:26,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134666567] [2021-12-18 05:17:26,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:26,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:26,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:26,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:26,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:26,645 INFO L87 Difference]: Start difference. First operand has 376 states, 283 states have (on average 1.4240282685512367) internal successors, (403), 291 states have internal predecessors, (403), 71 states have call successors, (71), 21 states have call predecessors, (71), 20 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 05:17:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:26,712 INFO L93 Difference]: Finished difference Result 750 states and 1089 transitions. [2021-12-18 05:17:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:17:26,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2021-12-18 05:17:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:26,723 INFO L225 Difference]: With dead ends: 750 [2021-12-18 05:17:26,723 INFO L226 Difference]: Without dead ends: 365 [2021-12-18 05:17:26,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:26,728 INFO L933 BasicCegarLoop]: 534 mSDtfsCounter, 2 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1599 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 [2021-12-18 05:17:26,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 1599 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:17:26,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-12-18 05:17:26,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2021-12-18 05:17:26,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 279 states have (on average 1.4014336917562724) internal successors, (391), 280 states have internal predecessors, (391), 66 states have call successors, (66), 20 states have call predecessors, (66), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-12-18 05:17:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 522 transitions. [2021-12-18 05:17:26,776 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 522 transitions. Word has length 48 [2021-12-18 05:17:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:26,777 INFO L470 AbstractCegarLoop]: Abstraction has 365 states and 522 transitions. [2021-12-18 05:17:26,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-18 05:17:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 522 transitions. [2021-12-18 05:17:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-18 05:17:26,779 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:26,779 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:26,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:27,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:27,000 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:27,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:27,001 INFO L85 PathProgramCache]: Analyzing trace with hash 920442038, now seen corresponding path program 1 times [2021-12-18 05:17:27,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:27,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182440118] [2021-12-18 05:17:27,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:27,004 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:27,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:27,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:27,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-18 05:17:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:27,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:17:27,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-18 05:17:27,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-18 05:17:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-18 05:17:28,100 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:28,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182440118] [2021-12-18 05:17:28,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182440118] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-18 05:17:28,100 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-18 05:17:28,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-18 05:17:28,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691184721] [2021-12-18 05:17:28,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-18 05:17:28,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 05:17:28,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:28,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 05:17:28,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:28,103 INFO L87 Difference]: Start difference. First operand 365 states and 522 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:28,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:28,219 INFO L93 Difference]: Finished difference Result 727 states and 1042 transitions. [2021-12-18 05:17:28,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 05:17:28,219 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2021-12-18 05:17:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:28,222 INFO L225 Difference]: With dead ends: 727 [2021-12-18 05:17:28,222 INFO L226 Difference]: Without dead ends: 368 [2021-12-18 05:17:28,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:17:28,224 INFO L933 BasicCegarLoop]: 519 mSDtfsCounter, 9 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 2588 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:28,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 2588 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:17:28,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-12-18 05:17:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-12-18 05:17:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 282 states have (on average 1.3971631205673758) internal successors, (394), 283 states have internal predecessors, (394), 66 states have call successors, (66), 20 states have call predecessors, (66), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2021-12-18 05:17:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 525 transitions. [2021-12-18 05:17:28,240 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 525 transitions. Word has length 50 [2021-12-18 05:17:28,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:28,240 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 525 transitions. [2021-12-18 05:17:28,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 2 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 05:17:28,241 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 525 transitions. [2021-12-18 05:17:28,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-18 05:17:28,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:28,242 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:28,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-18 05:17:28,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:28,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:28,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash -865894562, now seen corresponding path program 2 times [2021-12-18 05:17:28,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:28,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895117032] [2021-12-18 05:17:28,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:17:28,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:28,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:28,461 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:28,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-18 05:17:29,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-18 05:17:29,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-18 05:17:29,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:17:29,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:29,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:29,341 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:29,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895117032] [2021-12-18 05:17:29,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895117032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:29,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:29,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 05:17:29,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521573749] [2021-12-18 05:17:29,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:29,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:17:29,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:29,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:17:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:29,342 INFO L87 Difference]: Start difference. First operand 368 states and 525 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:29,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:29,382 INFO L93 Difference]: Finished difference Result 705 states and 1015 transitions. [2021-12-18 05:17:29,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:17:29,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2021-12-18 05:17:29,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:29,396 INFO L225 Difference]: With dead ends: 705 [2021-12-18 05:17:29,397 INFO L226 Difference]: Without dead ends: 696 [2021-12-18 05:17:29,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:29,399 INFO L933 BasicCegarLoop]: 589 mSDtfsCounter, 464 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:29,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 1091 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:17:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2021-12-18 05:17:29,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 679. [2021-12-18 05:17:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 530 states have (on average 1.4169811320754717) internal successors, (751), 533 states have internal predecessors, (751), 113 states have call successors, (113), 36 states have call predecessors, (113), 35 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2021-12-18 05:17:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 976 transitions. [2021-12-18 05:17:29,434 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 976 transitions. Word has length 56 [2021-12-18 05:17:29,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:29,435 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 976 transitions. [2021-12-18 05:17:29,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 976 transitions. [2021-12-18 05:17:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-18 05:17:29,438 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:29,438 INFO L514 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:29,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:29,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:29,660 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:29,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:29,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1553042684, now seen corresponding path program 1 times [2021-12-18 05:17:29,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:29,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026795242] [2021-12-18 05:17:29,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:29,662 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:29,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:29,667 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:29,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-18 05:17:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:30,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:17:30,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-18 05:17:30,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:30,953 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:30,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026795242] [2021-12-18 05:17:30,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026795242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:30,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:30,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:17:30,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628294050] [2021-12-18 05:17:30,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:30,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:17:30,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:30,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:17:30,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:30,955 INFO L87 Difference]: Start difference. First operand 679 states and 976 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:31,221 INFO L93 Difference]: Finished difference Result 1488 states and 2137 transitions. [2021-12-18 05:17:31,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:17:31,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2021-12-18 05:17:31,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:31,225 INFO L225 Difference]: With dead ends: 1488 [2021-12-18 05:17:31,225 INFO L226 Difference]: Without dead ends: 830 [2021-12-18 05:17:31,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:31,227 INFO L933 BasicCegarLoop]: 536 mSDtfsCounter, 127 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:31,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 945 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:17:31,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-12-18 05:17:31,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 824. [2021-12-18 05:17:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 656 states have (on average 1.4222560975609757) internal successors, (933), 660 states have internal predecessors, (933), 124 states have call successors, (124), 44 states have call predecessors, (124), 43 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2021-12-18 05:17:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1180 transitions. [2021-12-18 05:17:31,253 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1180 transitions. Word has length 80 [2021-12-18 05:17:31,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:31,253 INFO L470 AbstractCegarLoop]: Abstraction has 824 states and 1180 transitions. [2021-12-18 05:17:31,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2021-12-18 05:17:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1180 transitions. [2021-12-18 05:17:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-18 05:17:31,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:31,257 INFO L514 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:31,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-18 05:17:31,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:31,458 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:31,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:31,458 INFO L85 PathProgramCache]: Analyzing trace with hash -130895929, now seen corresponding path program 1 times [2021-12-18 05:17:31,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:31,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1553534999] [2021-12-18 05:17:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:31,461 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:31,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:31,462 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:31,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-18 05:17:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:32,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:17:32,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-18 05:17:32,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:32,850 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:32,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1553534999] [2021-12-18 05:17:32,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1553534999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:32,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:32,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 05:17:32,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874507945] [2021-12-18 05:17:32,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:32,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:17:32,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:32,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:17:32,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 05:17:32,852 INFO L87 Difference]: Start difference. First operand 824 states and 1180 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:17:33,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:33,060 INFO L93 Difference]: Finished difference Result 2423 states and 3471 transitions. [2021-12-18 05:17:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:17:33,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 111 [2021-12-18 05:17:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:33,067 INFO L225 Difference]: With dead ends: 2423 [2021-12-18 05:17:33,067 INFO L226 Difference]: Without dead ends: 1614 [2021-12-18 05:17:33,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:33,069 INFO L933 BasicCegarLoop]: 999 mSDtfsCounter, 491 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 2508 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:33,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 2508 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:17:33,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2021-12-18 05:17:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1493. [2021-12-18 05:17:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1188 states have (on average 1.4318181818181819) internal successors, (1701), 1198 states have internal predecessors, (1701), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-18 05:17:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2152 transitions. [2021-12-18 05:17:33,128 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2152 transitions. Word has length 111 [2021-12-18 05:17:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:33,128 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2152 transitions. [2021-12-18 05:17:33,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 05:17:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2152 transitions. [2021-12-18 05:17:33,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-18 05:17:33,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:33,135 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:33,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-18 05:17:33,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:33,360 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:33,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:33,360 INFO L85 PathProgramCache]: Analyzing trace with hash 47512075, now seen corresponding path program 1 times [2021-12-18 05:17:33,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:33,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637666533] [2021-12-18 05:17:33,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:33,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:33,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:33,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-18 05:17:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:34,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:17:34,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:34,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:34,726 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:34,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637666533] [2021-12-18 05:17:34,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637666533] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:34,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:34,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-18 05:17:34,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358830533] [2021-12-18 05:17:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:34,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:17:34,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:17:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:34,728 INFO L87 Difference]: Start difference. First operand 1493 states and 2152 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-18 05:17:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:34,772 INFO L93 Difference]: Finished difference Result 2965 states and 4278 transitions. [2021-12-18 05:17:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:17:34,773 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 122 [2021-12-18 05:17:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:34,778 INFO L225 Difference]: With dead ends: 2965 [2021-12-18 05:17:34,778 INFO L226 Difference]: Without dead ends: 1493 [2021-12-18 05:17:34,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:34,782 INFO L933 BasicCegarLoop]: 505 mSDtfsCounter, 451 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:34,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 505 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 05:17:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2021-12-18 05:17:34,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1493. [2021-12-18 05:17:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1188 states have (on average 1.4048821548821548) internal successors, (1669), 1198 states have internal predecessors, (1669), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-18 05:17:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2120 transitions. [2021-12-18 05:17:34,824 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2120 transitions. Word has length 122 [2021-12-18 05:17:34,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:34,824 INFO L470 AbstractCegarLoop]: Abstraction has 1493 states and 2120 transitions. [2021-12-18 05:17:34,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-18 05:17:34,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2120 transitions. [2021-12-18 05:17:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-18 05:17:34,827 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:34,827 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:34,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:35,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:35,044 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:35,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2135315343, now seen corresponding path program 1 times [2021-12-18 05:17:35,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:35,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422442216] [2021-12-18 05:17:35,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:35,046 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:35,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:35,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-18 05:17:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:36,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-18 05:17:36,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:36,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:36,494 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:36,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422442216] [2021-12-18 05:17:36,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422442216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:36,494 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:36,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:17:36,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885027295] [2021-12-18 05:17:36,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:36,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:17:36,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:36,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:17:36,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:17:36,496 INFO L87 Difference]: Start difference. First operand 1493 states and 2120 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-18 05:17:36,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:36,918 INFO L93 Difference]: Finished difference Result 3412 states and 5030 transitions. [2021-12-18 05:17:36,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:17:36,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 122 [2021-12-18 05:17:36,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:36,928 INFO L225 Difference]: With dead ends: 3412 [2021-12-18 05:17:36,929 INFO L226 Difference]: Without dead ends: 2671 [2021-12-18 05:17:36,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:17:36,932 INFO L933 BasicCegarLoop]: 821 mSDtfsCounter, 1585 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 3557 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:36,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1585 Valid, 3557 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:17:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2021-12-18 05:17:36,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1513. [2021-12-18 05:17:36,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1208 states have (on average 1.3981788079470199) internal successors, (1689), 1218 states have internal predecessors, (1689), 226 states have call successors, (226), 79 states have call predecessors, (226), 78 states have return successors, (225), 219 states have call predecessors, (225), 225 states have call successors, (225) [2021-12-18 05:17:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2140 transitions. [2021-12-18 05:17:37,003 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2140 transitions. Word has length 122 [2021-12-18 05:17:37,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:37,005 INFO L470 AbstractCegarLoop]: Abstraction has 1513 states and 2140 transitions. [2021-12-18 05:17:37,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-18 05:17:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2140 transitions. [2021-12-18 05:17:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-18 05:17:37,030 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:37,030 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:37,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:37,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:37,254 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:37,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:37,255 INFO L85 PathProgramCache]: Analyzing trace with hash -81936154, now seen corresponding path program 1 times [2021-12-18 05:17:37,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:37,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225960410] [2021-12-18 05:17:37,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:37,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:37,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:37,258 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:37,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-18 05:17:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:38,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:17:38,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:38,650 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-18 05:17:38,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:38,650 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:38,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225960410] [2021-12-18 05:17:38,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225960410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:38,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:38,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:17:38,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78962599] [2021-12-18 05:17:38,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:38,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:17:38,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:38,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:17:38,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:38,652 INFO L87 Difference]: Start difference. First operand 1513 states and 2140 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-18 05:17:39,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:39,007 INFO L93 Difference]: Finished difference Result 3490 states and 4996 transitions. [2021-12-18 05:17:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:17:39,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 129 [2021-12-18 05:17:39,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:39,017 INFO L225 Difference]: With dead ends: 3490 [2021-12-18 05:17:39,017 INFO L226 Difference]: Without dead ends: 1998 [2021-12-18 05:17:39,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:39,022 INFO L933 BasicCegarLoop]: 592 mSDtfsCounter, 321 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:39,023 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 840 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:17:39,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2021-12-18 05:17:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1944. [2021-12-18 05:17:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1944 states, 1602 states have (on average 1.3913857677902621) internal successors, (2229), 1611 states have internal predecessors, (2229), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 233 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-18 05:17:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2706 transitions. [2021-12-18 05:17:39,121 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2706 transitions. Word has length 129 [2021-12-18 05:17:39,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:39,121 INFO L470 AbstractCegarLoop]: Abstraction has 1944 states and 2706 transitions. [2021-12-18 05:17:39,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-18 05:17:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2706 transitions. [2021-12-18 05:17:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 05:17:39,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:39,125 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:39,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:39,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:39,347 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:39,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1347562269, now seen corresponding path program 1 times [2021-12-18 05:17:39,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:39,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102478735] [2021-12-18 05:17:39,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:39,349 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:39,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:39,358 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:39,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-18 05:17:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:40,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-18 05:17:40,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:41,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:41,111 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:41,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102478735] [2021-12-18 05:17:41,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102478735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:41,112 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:41,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-18 05:17:41,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481797007] [2021-12-18 05:17:41,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:41,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-18 05:17:41,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:41,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-18 05:17:41,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-18 05:17:41,113 INFO L87 Difference]: Start difference. First operand 1944 states and 2706 transitions. Second operand has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:17:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:43,228 INFO L93 Difference]: Finished difference Result 5808 states and 8422 transitions. [2021-12-18 05:17:43,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 05:17:43,231 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 128 [2021-12-18 05:17:43,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:43,249 INFO L225 Difference]: With dead ends: 5808 [2021-12-18 05:17:43,249 INFO L226 Difference]: Without dead ends: 3885 [2021-12-18 05:17:43,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-12-18 05:17:43,253 INFO L933 BasicCegarLoop]: 1202 mSDtfsCounter, 2526 mSDsluCounter, 8769 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 468 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 9971 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 468 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:43,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2584 Valid, 9971 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [468 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-18 05:17:43,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2021-12-18 05:17:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 1938. [2021-12-18 05:17:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1596 states have (on average 1.3903508771929824) internal successors, (2219), 1607 states have internal predecessors, (2219), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 231 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-18 05:17:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2696 transitions. [2021-12-18 05:17:43,401 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2696 transitions. Word has length 128 [2021-12-18 05:17:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:43,401 INFO L470 AbstractCegarLoop]: Abstraction has 1938 states and 2696 transitions. [2021-12-18 05:17:43,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 11 states have internal predecessors, (78), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2021-12-18 05:17:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2696 transitions. [2021-12-18 05:17:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 05:17:43,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:43,404 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:43,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-18 05:17:43,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:43,627 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:43,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 870197329, now seen corresponding path program 1 times [2021-12-18 05:17:43,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:43,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709640093] [2021-12-18 05:17:43,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:43,630 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:43,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:43,632 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:43,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-18 05:17:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:44,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:17:44,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-12-18 05:17:45,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:45,044 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:45,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709640093] [2021-12-18 05:17:45,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709640093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:45,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:45,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:17:45,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527131588] [2021-12-18 05:17:45,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:45,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:17:45,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:45,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:17:45,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:17:45,048 INFO L87 Difference]: Start difference. First operand 1938 states and 2696 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:45,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:45,588 INFO L93 Difference]: Finished difference Result 6009 states and 8508 transitions. [2021-12-18 05:17:45,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:17:45,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 136 [2021-12-18 05:17:45,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:45,601 INFO L225 Difference]: With dead ends: 6009 [2021-12-18 05:17:45,602 INFO L226 Difference]: Without dead ends: 4092 [2021-12-18 05:17:45,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 05:17:45,605 INFO L933 BasicCegarLoop]: 998 mSDtfsCounter, 755 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:45,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [812 Valid, 3017 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-18 05:17:45,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2021-12-18 05:17:45,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 1954. [2021-12-18 05:17:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1612 states have (on average 1.3864764267990075) internal successors, (2235), 1619 states have internal predecessors, (2235), 239 states have call successors, (239), 103 states have call predecessors, (239), 102 states have return successors, (238), 231 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-18 05:17:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2712 transitions. [2021-12-18 05:17:45,710 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2712 transitions. Word has length 136 [2021-12-18 05:17:45,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:45,710 INFO L470 AbstractCegarLoop]: Abstraction has 1954 states and 2712 transitions. [2021-12-18 05:17:45,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2712 transitions. [2021-12-18 05:17:45,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 05:17:45,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:45,713 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:45,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:45,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:45,939 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:45,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:45,940 INFO L85 PathProgramCache]: Analyzing trace with hash -150871025, now seen corresponding path program 1 times [2021-12-18 05:17:45,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:45,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [722062356] [2021-12-18 05:17:45,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:45,943 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:45,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:45,944 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:45,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-18 05:17:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:17:47,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 2276 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 05:17:47,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:17:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-12-18 05:17:47,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:17:47,342 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-18 05:17:47,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [722062356] [2021-12-18 05:17:47,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [722062356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:17:47,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:17:47,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-18 05:17:47,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022947602] [2021-12-18 05:17:47,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:17:47,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 05:17:47,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-18 05:17:47,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 05:17:47,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:47,344 INFO L87 Difference]: Start difference. First operand 1954 states and 2712 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:47,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:17:47,521 INFO L93 Difference]: Finished difference Result 2995 states and 4177 transitions. [2021-12-18 05:17:47,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 05:17:47,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 136 [2021-12-18 05:17:47,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:17:47,525 INFO L225 Difference]: With dead ends: 2995 [2021-12-18 05:17:47,525 INFO L226 Difference]: Without dead ends: 1019 [2021-12-18 05:17:47,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-18 05:17:47,528 INFO L933 BasicCegarLoop]: 585 mSDtfsCounter, 408 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:17:47,528 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [408 Valid, 701 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:17:47,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2021-12-18 05:17:47,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1007. [2021-12-18 05:17:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 837 states have (on average 1.3906810035842294) internal successors, (1164), 839 states have internal predecessors, (1164), 119 states have call successors, (119), 51 states have call predecessors, (119), 50 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2021-12-18 05:17:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1401 transitions. [2021-12-18 05:17:47,569 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1401 transitions. Word has length 136 [2021-12-18 05:17:47,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:17:47,569 INFO L470 AbstractCegarLoop]: Abstraction has 1007 states and 1401 transitions. [2021-12-18 05:17:47,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 05:17:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1401 transitions. [2021-12-18 05:17:47,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-18 05:17:47,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:17:47,571 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:17:47,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-12-18 05:17:47,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:17:47,791 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:17:47,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:17:47,792 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2021-12-18 05:17:47,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-18 05:17:47,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297469610] [2021-12-18 05:17:47,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:17:47,794 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-18 05:17:47,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-18 05:17:47,795 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-18 05:17:47,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-18 05:17:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:17:56,057 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-18 05:18:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-18 05:18:06,415 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-18 05:18:06,415 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-18 05:18:06,416 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 05:18:06,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-18 05:18:06,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-18 05:18:06,632 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:18:06,634 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-18 05:18:06,666 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 05:18:06,667 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2021-12-18 05:18:06,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 05:18:06 BoogieIcfgContainer [2021-12-18 05:18:06,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-18 05:18:06,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-18 05:18:06,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-18 05:18:06,820 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-18 05:18:06,820 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:17:25" (3/4) ... [2021-12-18 05:18:06,822 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-18 05:18:06,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-18 05:18:06,822 INFO L158 Benchmark]: Toolchain (without parser) took 44313.73ms. Allocated memory was 71.3MB in the beginning and 434.1MB in the end (delta: 362.8MB). Free memory was 47.1MB in the beginning and 291.5MB in the end (delta: -244.4MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,822 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-18 05:18:06,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1110.92ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 42.7MB in the end (delta: 4.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.03ms. Allocated memory was 96.5MB in the beginning and 138.4MB in the end (delta: 41.9MB). Free memory was 42.7MB in the beginning and 89.9MB in the end (delta: -47.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,831 INFO L158 Benchmark]: Boogie Preprocessor took 112.12ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 78.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,832 INFO L158 Benchmark]: RCFGBuilder took 1688.67ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 78.7MB in the beginning and 103.3MB in the end (delta: -24.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,832 INFO L158 Benchmark]: TraceAbstraction took 41256.94ms. Allocated memory was 207.6MB in the beginning and 434.1MB in the end (delta: 226.5MB). Free memory was 102.3MB in the beginning and 292.6MB in the end (delta: -190.3MB). Peak memory consumption was 215.5MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,833 INFO L158 Benchmark]: Witness Printer took 2.30ms. Allocated memory is still 434.1MB. Free memory was 292.6MB in the beginning and 291.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-18 05:18:06,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1110.92ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.0MB in the beginning and 42.7MB in the end (delta: 4.3MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.03ms. Allocated memory was 96.5MB in the beginning and 138.4MB in the end (delta: 41.9MB). Free memory was 42.7MB in the beginning and 89.9MB in the end (delta: -47.2MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.12ms. Allocated memory is still 138.4MB. Free memory was 89.9MB in the beginning and 78.7MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1688.67ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 78.7MB in the beginning and 103.3MB in the end (delta: -24.6MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * TraceAbstraction took 41256.94ms. Allocated memory was 207.6MB in the beginning and 434.1MB in the end (delta: 226.5MB). Free memory was 102.3MB in the beginning and 292.6MB in the end (delta: -190.3MB). Peak memory consumption was 215.5MB. Max. memory is 16.1GB. * Witness Printer took 2.30ms. Allocated memory is still 434.1MB. Free memory was 292.6MB in the beginning and 291.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 3359]: 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 3515. Possible FailurePath: [L3435] int LDV_IN_INTERRUPT = 1; [L3436] int ldv_state_variable_2 ; [L3437] int ref_cnt ; [L3438] struct usb_serial *qcdevice_group1 ; [L3439] int ldv_state_variable_1 ; [L3440] struct usb_interface *qcdriver_group1 ; [L3441] int usb_counter ; [L3442] struct tty_struct *qcdevice_group0 ; [L3443] struct usb_serial_port *qcdevice_group2 ; [L3444] int ldv_state_variable_0 ; [L3560] static int debug ; [L3561-L3734] 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}}; [L3735] struct usb_device_id const __mod_usb_device_table ; [L3736-L3750] 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}; [L3908-L3914] 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, & qc_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}; [L3942] int ldv_retval_9 ; [L3943] int ldv_retval_2 ; [L3944] int ldv_retval_5 ; [L3945] int ldv_retval_0 ; [L3946] int ldv_retval_4 ; [L3947] int ldv_retval_6 ; [L3949] int ldv_retval_1 ; [L3951] int ldv_retval_8 ; [L3952] int ldv_retval_3 ; [L3953] int ldv_retval_7 ; [L4470] int ldv_alloc_count = 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3980] struct usb_device_id *ldvarg1 ; [L3981] void *tmp ; [L3982] unsigned char *ldvarg3 ; [L3983] void *tmp___0 ; [L3984] pm_message_t ldvarg0 ; [L3985] int ldvarg2 ; [L3986] int tmp___1 ; [L3987] pm_message_t ldvarg4 ; [L3988] struct usb_device_id *ldvarg5 ; [L3989] void *tmp___2 ; [L3990] int tmp___3 ; [L3991] int tmp___4 ; [L3992] int tmp___5 ; [L3993] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=2147483648, usb_counter=0] [L3995] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3995] tmp = ldv_zalloc(24UL) [L3996] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1, tmp___0=2147483648, usb_counter=0] [L3997] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3997] tmp___0 = ldv_zalloc(1UL) [L3998] ldvarg3 = (unsigned char *)tmp___0 [L3999] tmp___1 = __VERIFIER_nondet_int() [L4000] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4001] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=24, tmp___0=2147483648, usb_counter=0] [L4001] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, usb_counter=0] [L4001] tmp___2 = ldv_zalloc(24UL) [L4002] ldvarg5 = (struct usb_device_id *)tmp___2 [L4003] FCALL ldv_initialize() [L4004] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={262183:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4005] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={541:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4006] ldv_state_variable_1 = 0 [L4007] ref_cnt = 0 [L4008] ldv_state_variable_0 = 1 [L4009] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 0: [L4231] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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] [L4232] COND TRUE ldv_state_variable_0 == 1 [L4233] CALL, EXPR qcinit() [L3917] int retval ; [L3919] CALL, EXPR usb_serial_register(& qcdevice) [L4535] return __VERIFIER_nondet_int(); [L3919] RET, EXPR usb_serial_register(& qcdevice) [L3919] retval = usb_serial_register(& qcdevice) [L3920] COND FALSE !(retval != 0) [L3924] CALL, EXPR usb_register(& qcdriver) [L3513] int tmp ; [L3515] CALL, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L4347] ldv_func_ret_type ldv_func_res ; [L4348] int tmp ; [L4350] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4521] return __VERIFIER_nondet_int(); [L4350] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4350] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L4351] ldv_func_res = tmp [L4352] ldv_state_variable_2 = 1 [L4353] usb_counter = 0 [L4354] CALL ldv_usb_driver_2() [L3971] void *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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] CALL, EXPR ldv_zalloc(1232UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=1232, \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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=1232, tmp___0=2147483648, usb_counter=0] [L3973] RET, EXPR ldv_zalloc(1232UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, ldv_zalloc(1232UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3973] tmp = ldv_zalloc(1232UL) [L3974] qcdriver_group1 = (struct usb_interface *)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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L4354] RET ldv_usb_driver_2() [L4355] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={0:0}, ldv_func_arg2={0:0}, ldv_func_arg3={3:0}, ldv_func_arg3={3:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3515] RET, EXPR ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3515] tmp = ldv_usb_register_driver_2(driver, & __this_module, "qcserial") [L3516] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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, driver={32:0}, driver={32:0}, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L3924] RET, EXPR usb_register(& qcdriver) [L3924] retval = usb_register(& qcdriver) [L3925] COND FALSE !(retval != 0) [L3930] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=0, usb_counter=0] [L4233] RET, EXPR qcinit() [L4233] ldv_retval_5 = qcinit() [L4234] COND FALSE !(ldv_retval_5 != 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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] [L4239] COND TRUE ldv_retval_5 == 0 [L4240] ldv_state_variable_0 = 2 [L4241] ldv_state_variable_1 = 1 [L4242] CALL ldv_initialize_usb_serial_driver_1() [L3956] void *tmp ; [L3957] void *tmp___0 ; [L3958] void *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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] CALL, EXPR ldv_zalloc(2696UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2696, \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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2696, tmp___0=2147483648, usb_counter=0] [L3960] RET, EXPR ldv_zalloc(2696UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2696UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3960] tmp = ldv_zalloc(2696UL) [L3961] qcdevice_group0 = (struct tty_struct *)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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] CALL, EXPR ldv_zalloc(280UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=280, \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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=280, tmp___0=2147483648, usb_counter=0] [L3962] RET, EXPR ldv_zalloc(280UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(280UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L3962] tmp___0 = ldv_zalloc(280UL) [L3963] qcdevice_group1 = (struct usb_serial *)tmp___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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] CALL, EXPR ldv_zalloc(2304UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3324] void *p ; [L3325] void *tmp ; [L3326] int tmp___0 ; [L3328] tmp___0 = __VERIFIER_nondet_int() [L3329] COND TRUE tmp___0 != 0 [L3330] return ((void *)0); VAL [\old(size)=2304, \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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=2304, tmp___0=2147483648, usb_counter=0] [L3964] RET, EXPR ldv_zalloc(2304UL) 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(2304UL)={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L3964] tmp___1 = ldv_zalloc(2304UL) [L3965] qcdevice_group2 = (struct usb_serial_port *)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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L4242] RET ldv_initialize_usb_serial_driver_1() [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___5=1, usb_counter=0] [L4014] COND TRUE ldv_state_variable_1 != 0 [L4015] tmp___4 = __VERIFIER_nondet_int() [L4017] case 0: [L4031] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4032] COND TRUE ldv_state_variable_1 == 1 [L4033] CALL, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L3753] struct usb_wwan_intf_private *data ; [L3754] struct usb_host_interface *intf ; [L3755] int retval ; [L3756] __u8 nintf ; [L3757] __u8 ifnum ; [L3758] void *tmp ; [L3759] struct lock_class_key __key ; [L3760] int tmp___0 ; [L3761] int tmp___1 ; [L3763] EXPR serial->interface [L3763] EXPR (serial->interface)->cur_altsetting [L3763] intf = (serial->interface)->cur_altsetting [L3764] retval = -19 VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, id={0:0}, id_table={31:0}, intf={9223372036854775806:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, usb_counter=0] [L3765] COND FALSE !(debug != 0) VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, id={0:0}, id_table={31:0}, intf={9223372036854775806:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, usb_counter=0] [L3770] EXPR serial->dev [L3770] EXPR (serial->dev)->actconfig [L3770] EXPR ((serial->dev)->actconfig)->desc.bNumInterfaces [L3770] nintf = ((serial->dev)->actconfig)->desc.bNumInterfaces [L3771] COND FALSE !(debug != 0) VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, id={0:0}, id_table={31:0}, intf={9223372036854775806:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, usb_counter=0] [L3776] EXPR intf->desc.bInterfaceNumber [L3776] ifnum = intf->desc.bInterfaceNumber [L3777] COND FALSE !(debug != 0) VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, usb_counter=0] [L3782] CALL, EXPR kzalloc(96UL, 208U) [L4334] void *res ; [L4336] CALL, EXPR ldv_kzalloc_1(size, flags) [L3428] void *tmp ; [L3430] CALL, EXPR kmalloc(size, flags | 32768U) [L3420] void *tmp___2 ; [L3422] CALL, EXPR __kmalloc(size, flags) [L3415] CALL, EXPR ldv_malloc(size) [L3307] void *p ; [L3308] void *tmp ; [L3309] int tmp___0 ; [L3311] tmp___0 = __VERIFIER_nondet_int() [L3312] COND FALSE !(tmp___0 != 0) [L3315] tmp = malloc(size) [L3316] p = 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={285:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={285:0}, tmp___0=0, usb_counter=0] [L3317] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3303] 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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3317] RET assume_abort_if_not((unsigned long )p != (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={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={285:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={285:0}, tmp___0=0, usb_counter=0] [L3318] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={0:0}, debug=0, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, p={285:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={285:0}, tmp___0=0, usb_counter=0] [L3415] RET, EXPR ldv_malloc(size) [L3415] return ldv_malloc(size); [L3422] RET, EXPR __kmalloc(size, flags) [L3422] tmp___2 = __kmalloc(size, flags) [L3423] return (tmp___2); VAL [\old(flags)=32976, \old(size)=96, \result={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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, flags=32976, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp___2={285:0}, usb_counter=0] [L3430] RET, EXPR kmalloc(size, flags | 32768U) [L3430] tmp = kmalloc(size, flags | 32768U) [L3431] return (tmp); VAL [\old(flags)=208, \old(size)=96, \result={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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, flags=208, id_table={31:0}, ldv_alloc_count=0, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, size=96, tmp={285:0}, usb_counter=0] [L4336] RET, EXPR ldv_kzalloc_1(size, flags) [L4336] res = ldv_kzalloc_1(size, flags) [L4337] COND TRUE (unsigned long )res != (unsigned long )((void *)0) [L4338] CALL ldv_alloc() [L4474] ldv_alloc_count = ldv_alloc_count + 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4338] RET ldv_alloc() [L4341] return (res); VAL [\old(flags)=208, \old(size)=96, \result={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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, flags=208, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, res={285:0}, size=96, usb_counter=0] [L3782] RET, EXPR kzalloc(96UL, 208U) [L3782] tmp = kzalloc(96UL, 208U) [L3783] data = (struct usb_wwan_intf_private *)tmp VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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}, data={285:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, tmp={285:0}, usb_counter=0] [L3784] COND FALSE !((unsigned long )data == (unsigned long )((struct usb_wwan_intf_private *)0)) [L3788] CALL spinlock_check(& data->susp_lock) [L3402] return (& lock->ldv_5966.rlock); VAL [\result={285:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={285:0}, lock={285:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3788] RET spinlock_check(& data->susp_lock) [L3789-L3790] FCALL __raw_spin_lock_init(& data->susp_lock.ldv_5966.rlock, "&(&data->susp_lock)->rlock", & __key) [L3791] EXPR serial->dev [L3791] FCALL usb_enable_autosuspend(serial->dev) [L3793] case 1: [L3794] EXPR serial->interface [L3794] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=-2147483647, __key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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}, data={285:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, serial->interface={1:0}, tmp={285:0}, usb_counter=0] [L3794] COND FALSE !((serial->interface)->num_altsetting == 2U) [L3797] EXPR serial->interface [L3797] EXPR (serial->interface)->num_altsetting VAL [(serial->interface)->num_altsetting=-2147483647, __key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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}, data={285:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, serial->interface={1:0}, tmp={285:0}, usb_counter=0] [L3797] COND TRUE (serial->interface)->num_altsetting > 2U [L3883] COND FALSE !(retval != -19) VAL [__key={131644:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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}, data={285:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, tmp={285:0}, usb_counter=0] [L3887] return (retval); [L3887] return (retval); VAL [\result=-19, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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}, data={285:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=198, intf={9223372036854775806:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, 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=2, ldv_state_variable_1=1, ldv_state_variable_2=1, nintf=1, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, retval=4294967277, serial={0:0}, serial={0:0}, tmp={285:0}, usb_counter=0] [L4033] RET, EXPR qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4033] ldv_retval_4 = qcprobe(qcdevice_group1, (struct usb_device_id const *)ldvarg1) [L4034] COND FALSE !(ldv_retval_4 == 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1=9, tmp___2={0:0}, tmp___3=0, tmp___4=1, tmp___5=1, usb_counter=0] [L4011] tmp___3 = __VERIFIER_nondet_int() [L4013] case 0: [L4219] 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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___4=1, tmp___5=1, usb_counter=0] [L4220] COND TRUE ldv_state_variable_0 != 0 [L4221] tmp___5 = __VERIFIER_nondet_int() [L4223] case 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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___4=1, tmp___5=0, usb_counter=0] [L4224] COND TRUE ldv_state_variable_0 == 2 && ref_cnt == 0 [L4225] CALL qcexit() [L3936] CALL ldv_usb_deregister_13(& qcdriver) [L4465] FCALL usb_deregister(arg) [L4466] 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}, arg={32:0}, arg={32:0}, debug=0, id_table={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3936] RET ldv_usb_deregister_13(& qcdriver) [L3937] FCALL usb_serial_deregister(& qcdevice) 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, ldv_retval_6=0, ldv_retval_7=0, ldv_retval_8=0, ldv_retval_9=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4225] RET qcexit() [L4226] 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, ldvarg0={262183:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={541:0}, ldvarg5={0:0}, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, 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___4=1, tmp___5=0, usb_counter=0] [L4327] CALL ldv_check_final_state() [L4488] COND FALSE !(ldv_alloc_count == 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L4490] 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] [L3359] 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={31:0}, ldv_alloc_count=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=4294967277, ldv_retval_5=0, 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=1, ldv_state_variable_2=0, qcdevice={33:0}, qcdevice_group0={0:0}, qcdevice_group1={0:0}, qcdevice_group2={0:0}, qcdriver={32:0}, qcdriver_group1={0:0}, ref_cnt=0, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 377 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.0s, OverallIterations: 12, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7254 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7139 mSDsluCounter, 27322 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19442 mSDsCounter, 893 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 622 IncrementalHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 893 mSolverCounterUnsat, 7880 mSDtfsCounter, 622 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1179 GetRequests, 1127 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 5453 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 17.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1156 ConstructedInterpolants, 0 QuantifiedInterpolants, 1889 SizeOfPredicates, 41 NumberOfNonLiveVariables, 23452 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1177/1185 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-18 05:18:06,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample