./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 35987657 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-?-3598765 [2022-07-21 11:36:21,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:36:21,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:36:21,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:36:21,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:36:21,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:36:21,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:36:21,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:36:21,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:36:21,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:36:21,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:36:21,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:36:21,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:36:21,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:36:21,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:36:21,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:36:21,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:36:21,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:36:21,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:36:21,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:36:21,871 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:36:21,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:36:21,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:36:21,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:36:21,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:36:21,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:36:21,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:36:21,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:36:21,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:36:21,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:36:21,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:36:21,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:36:21,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:36:21,885 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:36:21,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:36:21,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:36:21,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:36:21,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:36:21,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:36:21,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:36:21,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:36:21,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:36:21,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:36:21,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:36:21,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:36:21,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:36:21,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:36:21,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:36:21,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:36:21,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:36:21,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:36:21,930 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:36:21,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:36:21,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:36:21,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:36:21,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:36:21,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:36:21,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:36:21,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:36:21,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:36:21,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:36:21,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:36:21,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:36:21,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:36:21,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:36:21,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:36:21,941 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:36:21,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:36:21,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2022-07-21 11:36:22,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:36:22,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:36:22,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:36:22,273 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:36:22,275 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:36:22,277 INFO L432 ainManager$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 [2022-07-21 11:36:22,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2da9d1f1/a927464aba294f1db9b516d1a758988a/FLAG90301cd4a [2022-07-21 11:36:22,984 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:36:22,985 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 [2022-07-21 11:36:23,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2da9d1f1/a927464aba294f1db9b516d1a758988a/FLAG90301cd4a [2022-07-21 11:36:23,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2da9d1f1/a927464aba294f1db9b516d1a758988a [2022-07-21 11:36:23,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:36:23,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:36:23,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:36:23,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:36:23,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:36:23,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:23" (1/1) ... [2022-07-21 11:36:23,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152e9f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:23, skipping insertion in model container [2022-07-21 11:36:23,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:23" (1/1) ... [2022-07-21 11:36:23,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:36:23,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:36:23,819 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] [2022-07-21 11:36:24,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:36:24,168 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:36:24,292 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] [2022-07-21 11:36:24,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:36:24,442 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:36:24,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24 WrapperNode [2022-07-21 11:36:24,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:36:24,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:36:24,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:36:24,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:36:24,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,592 INFO L137 Inliner]: procedures = 96, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1808 [2022-07-21 11:36:24,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:36:24,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:36:24,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:36:24,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:36:24,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:36:24,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:36:24,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:36:24,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:36:24,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (1/1) ... [2022-07-21 11:36:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:36:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:24,809 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) [2022-07-21 11:36:24,832 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 [2022-07-21 11:36:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:36:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:36:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:36:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-07-21 11:36:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-07-21 11:36:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-07-21 11:36:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-07-21 11:36:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:36:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:36:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:36:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-07-21 11:36:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-07-21 11:36:24,851 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 11:36:24,851 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 11:36:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-21 11:36:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-21 11:36:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:36:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 11:36:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 11:36:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-07-21 11:36:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-07-21 11:36:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:36:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:36:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:36:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:36:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-07-21 11:36:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-07-21 11:36:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:36:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:36:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:36:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:36:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-07-21 11:36:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-07-21 11:36:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-07-21 11:36:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-07-21 11:36:24,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:36:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:36:24,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-07-21 11:36:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-07-21 11:36:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-07-21 11:36:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-07-21 11:36:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:36:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:36:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:36:24,856 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-07-21 11:36:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-07-21 11:36:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:36:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:36:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:36:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-07-21 11:36:24,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-07-21 11:36:24,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:36:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:36:25,222 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:36:25,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:36:25,323 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:36:26,697 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:36:26,705 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:36:26,706 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:36:26,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:26 BoogieIcfgContainer [2022-07-21 11:36:26,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:36:26,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:36:26,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:36:26,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:36:26,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:36:23" (1/3) ... [2022-07-21 11:36:26,713 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115cb6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:26, skipping insertion in model container [2022-07-21 11:36:26,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:24" (2/3) ... [2022-07-21 11:36:26,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115cb6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:26, skipping insertion in model container [2022-07-21 11:36:26,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:26" (3/3) ... [2022-07-21 11:36:26,715 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-07-21 11:36:26,727 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:36:26,728 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:36:26,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:36:26,784 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@399bccf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e7b5e66 [2022-07-21 11:36:26,784 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:36:26,790 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) [2022-07-21 11:36:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-21 11:36:26,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:26,802 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:26,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:26,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:26,808 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2022-07-21 11:36:26,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:26,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995464002] [2022-07-21 11:36:26,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:26,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 11:36:27,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:27,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995464002] [2022-07-21 11:36:27,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995464002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:27,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:27,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:36:27,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549347226] [2022-07-21 11:36:27,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:27,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:36:27,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:27,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:36:27,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:27,539 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) [2022-07-21 11:36:28,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:28,421 INFO L93 Difference]: Finished difference Result 1094 states and 1609 transitions. [2022-07-21 11:36:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:36:28,424 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 [2022-07-21 11:36:28,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:28,448 INFO L225 Difference]: With dead ends: 1094 [2022-07-21 11:36:28,448 INFO L226 Difference]: Without dead ends: 699 [2022-07-21 11:36:28,464 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:28,472 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 604 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:28,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 1687 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 11:36:28,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-07-21 11:36:28,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 675. [2022-07-21 11:36:28,559 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) [2022-07-21 11:36:28,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 972 transitions. [2022-07-21 11:36:28,565 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 972 transitions. Word has length 48 [2022-07-21 11:36:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:28,566 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 972 transitions. [2022-07-21 11:36:28,566 INFO L496 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) [2022-07-21 11:36:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 972 transitions. [2022-07-21 11:36:28,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-07-21 11:36:28,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:28,573 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:28,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:36:28,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash 390664964, now seen corresponding path program 1 times [2022-07-21 11:36:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:28,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908584259] [2022-07-21 11:36:28,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 11:36:28,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:28,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908584259] [2022-07-21 11:36:28,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908584259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:28,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:28,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:36:28,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131017278] [2022-07-21 11:36:28,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:28,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:36:28,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:28,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:36:28,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:28,821 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) [2022-07-21 11:36:29,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:29,398 INFO L93 Difference]: Finished difference Result 1495 states and 2155 transitions. [2022-07-21 11:36:29,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:36:29,399 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 [2022-07-21 11:36:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:29,410 INFO L225 Difference]: With dead ends: 1495 [2022-07-21 11:36:29,411 INFO L226 Difference]: Without dead ends: 837 [2022-07-21 11:36:29,413 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:29,418 INFO L413 NwaCegarLoop]: 531 mSDtfsCounter, 227 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:29,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1505 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 11:36:29,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2022-07-21 11:36:29,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 820. [2022-07-21 11:36:29,475 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) [2022-07-21 11:36:29,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1176 transitions. [2022-07-21 11:36:29,480 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1176 transitions. Word has length 72 [2022-07-21 11:36:29,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:29,481 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1176 transitions. [2022-07-21 11:36:29,481 INFO L496 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) [2022-07-21 11:36:29,481 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1176 transitions. [2022-07-21 11:36:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:36:29,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:29,487 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:29,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:36:29,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:29,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:29,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1325133881, now seen corresponding path program 1 times [2022-07-21 11:36:29,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:29,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664037635] [2022-07-21 11:36:29,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:29,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:36:29,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:29,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664037635] [2022-07-21 11:36:29,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664037635] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:29,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:29,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:36:29,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966832590] [2022-07-21 11:36:29,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:29,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:36:29,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:29,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:36:29,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:29,832 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) [2022-07-21 11:36:30,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:30,284 INFO L93 Difference]: Finished difference Result 1634 states and 2352 transitions. [2022-07-21 11:36:30,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:36:30,285 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 [2022-07-21 11:36:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:30,290 INFO L225 Difference]: With dead ends: 1634 [2022-07-21 11:36:30,290 INFO L226 Difference]: Without dead ends: 831 [2022-07-21 11:36:30,293 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:30,295 INFO L413 NwaCegarLoop]: 500 mSDtfsCounter, 503 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:30,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1121 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:36:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2022-07-21 11:36:30,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 820. [2022-07-21 11:36:30,326 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) [2022-07-21 11:36:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1160 transitions. [2022-07-21 11:36:30,331 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1160 transitions. Word has length 103 [2022-07-21 11:36:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:30,332 INFO L495 AbstractCegarLoop]: Abstraction has 820 states and 1160 transitions. [2022-07-21 11:36:30,332 INFO L496 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) [2022-07-21 11:36:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1160 transitions. [2022-07-21 11:36:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:36:30,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:30,336 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:30,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:36:30,336 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:30,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:30,337 INFO L85 PathProgramCache]: Analyzing trace with hash 762669387, now seen corresponding path program 1 times [2022-07-21 11:36:30,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:30,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010126984] [2022-07-21 11:36:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:30,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:36:30,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:30,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010126984] [2022-07-21 11:36:30,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010126984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:30,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:30,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:36:30,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094370458] [2022-07-21 11:36:30,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:30,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:36:30,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:30,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:36:30,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:36:30,593 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) [2022-07-21 11:36:31,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:31,673 INFO L93 Difference]: Finished difference Result 2449 states and 3476 transitions. [2022-07-21 11:36:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:36:31,674 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 [2022-07-21 11:36:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:31,684 INFO L225 Difference]: With dead ends: 2449 [2022-07-21 11:36:31,684 INFO L226 Difference]: Without dead ends: 1646 [2022-07-21 11:36:31,686 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:31,687 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 699 mSDsluCounter, 2195 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:31,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 3137 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 11:36:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2022-07-21 11:36:31,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1107. [2022-07-21 11:36:31,789 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) [2022-07-21 11:36:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1574 transitions. [2022-07-21 11:36:31,794 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1574 transitions. Word has length 103 [2022-07-21 11:36:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:31,797 INFO L495 AbstractCegarLoop]: Abstraction has 1107 states and 1574 transitions. [2022-07-21 11:36:31,797 INFO L496 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) [2022-07-21 11:36:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1574 transitions. [2022-07-21 11:36:31,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:36:31,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:31,804 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:31,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:36:31,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:31,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash -258398967, now seen corresponding path program 1 times [2022-07-21 11:36:31,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:31,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656639086] [2022-07-21 11:36:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:36:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:32,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656639086] [2022-07-21 11:36:32,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656639086] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:32,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:32,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:36:32,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542838719] [2022-07-21 11:36:32,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:32,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:36:32,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:32,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:36:32,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:32,116 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) [2022-07-21 11:36:32,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:32,590 INFO L93 Difference]: Finished difference Result 2118 states and 3046 transitions. [2022-07-21 11:36:32,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:36:32,590 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 [2022-07-21 11:36:32,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:32,596 INFO L225 Difference]: With dead ends: 2118 [2022-07-21 11:36:32,596 INFO L226 Difference]: Without dead ends: 942 [2022-07-21 11:36:32,599 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:32,600 INFO L413 NwaCegarLoop]: 580 mSDtfsCounter, 456 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1417 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:32,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 1417 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:36:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-07-21 11:36:32,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 929. [2022-07-21 11:36:32,647 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) [2022-07-21 11:36:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1330 transitions. [2022-07-21 11:36:32,652 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1330 transitions. Word has length 103 [2022-07-21 11:36:32,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:32,654 INFO L495 AbstractCegarLoop]: Abstraction has 929 states and 1330 transitions. [2022-07-21 11:36:32,654 INFO L496 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) [2022-07-21 11:36:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1330 transitions. [2022-07-21 11:36:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-21 11:36:32,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:32,657 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:32,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:36:32,657 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:32,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:32,658 INFO L85 PathProgramCache]: Analyzing trace with hash 611897207, now seen corresponding path program 1 times [2022-07-21 11:36:32,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:32,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887011882] [2022-07-21 11:36:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:32,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:33,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:33,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:36:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:33,018 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:36:33,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:33,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887011882] [2022-07-21 11:36:33,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887011882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:33,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:33,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:36:33,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829975765] [2022-07-21 11:36:33,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:33,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:36:33,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:33,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:36:33,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:36:33,023 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) [2022-07-21 11:36:34,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:34,192 INFO L93 Difference]: Finished difference Result 1981 states and 2945 transitions. [2022-07-21 11:36:34,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:36:34,193 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 [2022-07-21 11:36:34,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:34,201 INFO L225 Difference]: With dead ends: 1981 [2022-07-21 11:36:34,201 INFO L226 Difference]: Without dead ends: 1617 [2022-07-21 11:36:34,203 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:34,204 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1558 mSDsluCounter, 3199 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1558 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:34,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1558 Valid, 3996 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 11:36:34,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-07-21 11:36:34,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 939. [2022-07-21 11:36:34,273 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) [2022-07-21 11:36:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1340 transitions. [2022-07-21 11:36:34,277 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1340 transitions. Word has length 105 [2022-07-21 11:36:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:34,278 INFO L495 AbstractCegarLoop]: Abstraction has 939 states and 1340 transitions. [2022-07-21 11:36:34,278 INFO L496 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) [2022-07-21 11:36:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1340 transitions. [2022-07-21 11:36:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 11:36:34,282 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:34,282 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:34,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:36:34,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:34,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:34,283 INFO L85 PathProgramCache]: Analyzing trace with hash -483555880, now seen corresponding path program 1 times [2022-07-21 11:36:34,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:34,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504570898] [2022-07-21 11:36:34,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:36:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-21 11:36:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 11:36:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 11:36:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-21 11:36:34,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:34,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504570898] [2022-07-21 11:36:34,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504570898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:34,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:34,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:36:34,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362299455] [2022-07-21 11:36:34,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:34,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:36:34,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:34,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:36:34,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:36:34,536 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) [2022-07-21 11:36:35,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:35,401 INFO L93 Difference]: Finished difference Result 1915 states and 2779 transitions. [2022-07-21 11:36:35,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:36:35,402 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 [2022-07-21 11:36:35,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:35,407 INFO L225 Difference]: With dead ends: 1915 [2022-07-21 11:36:35,407 INFO L226 Difference]: Without dead ends: 1078 [2022-07-21 11:36:35,411 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:35,412 INFO L413 NwaCegarLoop]: 560 mSDtfsCounter, 424 mSDsluCounter, 1584 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 253 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:35,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 2144 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 11:36:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-07-21 11:36:35,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1051. [2022-07-21 11:36:35,488 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) [2022-07-21 11:36:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1457 transitions. [2022-07-21 11:36:35,492 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1457 transitions. Word has length 112 [2022-07-21 11:36:35,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:35,493 INFO L495 AbstractCegarLoop]: Abstraction has 1051 states and 1457 transitions. [2022-07-21 11:36:35,493 INFO L496 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) [2022-07-21 11:36:35,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1457 transitions. [2022-07-21 11:36:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 11:36:35,497 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:35,497 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:35,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:36:35,498 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:35,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:35,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1850212731, now seen corresponding path program 1 times [2022-07-21 11:36:35,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:35,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508986764] [2022-07-21 11:36:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:35,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:36:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 11:36:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:36:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-07-21 11:36:35,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:35,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508986764] [2022-07-21 11:36:35,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508986764] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:36:35,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515692589] [2022-07-21 11:36:35,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:35,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:35,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:35,788 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) [2022-07-21 11:36:35,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:36:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:36,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2592 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:36:36,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:36,406 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-21 11:36:36,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:36,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515692589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:36,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:36:36,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2022-07-21 11:36:36,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225466145] [2022-07-21 11:36:36,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:36,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:36,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:36,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:36,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:36:36,408 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) [2022-07-21 11:36:36,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:36,561 INFO L93 Difference]: Finished difference Result 2157 states and 2991 transitions. [2022-07-21 11:36:36,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:36:36,562 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 [2022-07-21 11:36:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:36,567 INFO L225 Difference]: With dead ends: 2157 [2022-07-21 11:36:36,567 INFO L226 Difference]: Without dead ends: 1120 [2022-07-21 11:36:36,570 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:36,570 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:36:36,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1711 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:36:36,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1120 states. [2022-07-21 11:36:36,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1120 to 1109. [2022-07-21 11:36:36,623 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) [2022-07-21 11:36:36,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 1539 transitions. [2022-07-21 11:36:36,663 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 1539 transitions. Word has length 111 [2022-07-21 11:36:36,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:36,663 INFO L495 AbstractCegarLoop]: Abstraction has 1109 states and 1539 transitions. [2022-07-21 11:36:36,663 INFO L496 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) [2022-07-21 11:36:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1539 transitions. [2022-07-21 11:36:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:36:36,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:36,665 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:36,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:36,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:36,866 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:36,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:36,866 INFO L85 PathProgramCache]: Analyzing trace with hash -14744375, now seen corresponding path program 1 times [2022-07-21 11:36:36,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:36,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159602163] [2022-07-21 11:36:36,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 11:36:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:36:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:36:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:36:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 11:36:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:36:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:36:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-07-21 11:36:37,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:37,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159602163] [2022-07-21 11:36:37,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159602163] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:36:37,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412768669] [2022-07-21 11:36:37,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:37,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:37,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:37,145 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) [2022-07-21 11:36:37,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:36:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:37,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 2707 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 11:36:37,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-07-21 11:36:37,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:37,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412768669] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:37,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:36:37,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2022-07-21 11:36:37,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740236685] [2022-07-21 11:36:37,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:37,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:37,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:37,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:37,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:36:37,782 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) [2022-07-21 11:36:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:37,859 INFO L93 Difference]: Finished difference Result 2211 states and 3069 transitions. [2022-07-21 11:36:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:36:37,860 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 [2022-07-21 11:36:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:37,865 INFO L225 Difference]: With dead ends: 2211 [2022-07-21 11:36:37,865 INFO L226 Difference]: Without dead ends: 1110 [2022-07-21 11:36:37,868 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:37,870 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:36:37,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1524 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:36:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-07-21 11:36:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 1110. [2022-07-21 11:36:37,923 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) [2022-07-21 11:36:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1540 transitions. [2022-07-21 11:36:37,927 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1540 transitions. Word has length 122 [2022-07-21 11:36:37,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:37,928 INFO L495 AbstractCegarLoop]: Abstraction has 1110 states and 1540 transitions. [2022-07-21 11:36:37,928 INFO L496 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) [2022-07-21 11:36:37,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1540 transitions. [2022-07-21 11:36:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 11:36:37,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:37,931 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:37,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:38,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-21 11:36:38,144 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:38,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:38,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1166660575, now seen corresponding path program 1 times [2022-07-21 11:36:38,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:38,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222180560] [2022-07-21 11:36:38,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:38,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 11:36:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:36:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:36:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:36:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:36:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 11:36:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:36:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-21 11:36:38,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:38,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222180560] [2022-07-21 11:36:38,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222180560] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:36:38,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644902202] [2022-07-21 11:36:38,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:38,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:38,461 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) [2022-07-21 11:36:38,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:36:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:38,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 2737 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-21 11:36:38,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:39,117 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 55 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:36:39,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:36:39,254 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-07-21 11:36:39,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644902202] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:36:39,255 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 11:36:39,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 12 [2022-07-21 11:36:39,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432052290] [2022-07-21 11:36:39,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 11:36:39,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 11:36:39,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:39,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 11:36:39,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:36:39,257 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) [2022-07-21 11:36:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:40,178 INFO L93 Difference]: Finished difference Result 2223 states and 3089 transitions. [2022-07-21 11:36:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:36:40,179 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 [2022-07-21 11:36:40,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:40,185 INFO L225 Difference]: With dead ends: 2223 [2022-07-21 11:36:40,185 INFO L226 Difference]: Without dead ends: 1119 [2022-07-21 11:36:40,188 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:40,188 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 89 mSDsluCounter, 2637 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 3140 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:40,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 3140 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 11:36:40,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2022-07-21 11:36:40,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1113. [2022-07-21 11:36:40,251 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) [2022-07-21 11:36:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1543 transitions. [2022-07-21 11:36:40,255 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1543 transitions. Word has length 124 [2022-07-21 11:36:40,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:40,255 INFO L495 AbstractCegarLoop]: Abstraction has 1113 states and 1543 transitions. [2022-07-21 11:36:40,256 INFO L496 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) [2022-07-21 11:36:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1543 transitions. [2022-07-21 11:36:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 11:36:40,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:40,259 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:40,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:40,488 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash 53241033, now seen corresponding path program 2 times [2022-07-21 11:36:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:40,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551486407] [2022-07-21 11:36:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 11:36:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:36:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:36:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:36:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:36:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 11:36:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:36:41,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:41,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551486407] [2022-07-21 11:36:41,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551486407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:41,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:41,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 11:36:41,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153197201] [2022-07-21 11:36:41,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:41,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 11:36:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:41,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 11:36:41,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:36:41,015 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) [2022-07-21 11:36:43,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:43,203 INFO L93 Difference]: Finished difference Result 2829 states and 4097 transitions. [2022-07-21 11:36:43,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 11:36:43,204 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 [2022-07-21 11:36:43,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:43,216 INFO L225 Difference]: With dead ends: 2829 [2022-07-21 11:36:43,217 INFO L226 Difference]: Without dead ends: 2360 [2022-07-21 11:36:43,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2022-07-21 11:36:43,221 INFO L413 NwaCegarLoop]: 1338 mSDtfsCounter, 2841 mSDsluCounter, 6354 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 1191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 7692 SdHoareTripleChecker+Invalid, 2671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:43,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2841 Valid, 7692 Invalid, 2671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 11:36:43,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2022-07-21 11:36:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 1116. [2022-07-21 11:36:43,332 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) [2022-07-21 11:36:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1546 transitions. [2022-07-21 11:36:43,336 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1546 transitions. Word has length 130 [2022-07-21 11:36:43,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:43,336 INFO L495 AbstractCegarLoop]: Abstraction has 1116 states and 1546 transitions. [2022-07-21 11:36:43,337 INFO L496 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) [2022-07-21 11:36:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1546 transitions. [2022-07-21 11:36:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-21 11:36:43,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:43,341 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:43,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 11:36:43,341 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:43,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:43,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1433788225, now seen corresponding path program 1 times [2022-07-21 11:36:43,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:43,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258060242] [2022-07-21 11:36:43,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:43,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:36:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:36:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:36:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:36:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 11:36:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:36:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 11:36:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-21 11:36:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:36:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:36:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-21 11:36:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:36:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:36:43,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258060242] [2022-07-21 11:36:43,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258060242] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:36:43,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472733032] [2022-07-21 11:36:43,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:43,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:43,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:43,664 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) [2022-07-21 11:36:43,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 11:36:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:44,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2897 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:36:44,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:36:44,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:44,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472733032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:44,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:36:44,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2022-07-21 11:36:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683002517] [2022-07-21 11:36:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:44,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:36:44,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:36:44,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:36:44,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:36:44,291 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) [2022-07-21 11:36:44,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:44,607 INFO L93 Difference]: Finished difference Result 2628 states and 3613 transitions. [2022-07-21 11:36:44,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:36:44,607 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 [2022-07-21 11:36:44,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:44,617 INFO L225 Difference]: With dead ends: 2628 [2022-07-21 11:36:44,617 INFO L226 Difference]: Without dead ends: 1676 [2022-07-21 11:36:44,621 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:44,622 INFO L413 NwaCegarLoop]: 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:44,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 2753 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:36:44,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2022-07-21 11:36:44,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1122. [2022-07-21 11:36:44,743 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) [2022-07-21 11:36:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1556 transitions. [2022-07-21 11:36:44,748 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1556 transitions. Word has length 138 [2022-07-21 11:36:44,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:44,748 INFO L495 AbstractCegarLoop]: Abstraction has 1122 states and 1556 transitions. [2022-07-21 11:36:44,749 INFO L496 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) [2022-07-21 11:36:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1556 transitions. [2022-07-21 11:36:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-21 11:36:44,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:44,751 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:44,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:44,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:36:44,979 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:44,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2022-07-21 11:36:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:36:44,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905426777] [2022-07-21 11:36:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:36:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:36:45,339 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:36:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:36:45,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 11:36:45,747 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:36:45,747 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:36:45,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 11:36:45,752 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:45,756 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:36:45,808 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-21 11:36:45,811 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-21 11:36:45,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:36:45 BoogieIcfgContainer [2022-07-21 11:36:45,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:36:45,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:36:45,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:36:45,981 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:36:45,981 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:26" (3/4) ... [2022-07-21 11:36:45,984 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:36:45,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:36:45,985 INFO L158 Benchmark]: Toolchain (without parser) took 22627.14ms. Allocated memory was 54.5MB in the beginning and 402.7MB in the end (delta: 348.1MB). Free memory was 26.8MB in the beginning and 131.9MB in the end (delta: -105.1MB). Peak memory consumption was 241.7MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,985 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:36:45,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.84ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 26.6MB in the beginning and 51.0MB in the end (delta: -24.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.59ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 38.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,986 INFO L158 Benchmark]: Boogie Preprocessor took 177.60ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 41.4MB in the end (delta: -2.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,986 INFO L158 Benchmark]: RCFGBuilder took 1936.55ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 41.4MB in the beginning and 62.7MB in the end (delta: -21.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,987 INFO L158 Benchmark]: TraceAbstraction took 19270.10ms. Allocated memory was 132.1MB in the beginning and 402.7MB in the end (delta: 270.5MB). Free memory was 62.7MB in the beginning and 131.9MB in the end (delta: -69.3MB). Peak memory consumption was 201.2MB. Max. memory is 16.1GB. [2022-07-21 11:36:45,987 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 402.7MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:36:45,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.84ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 26.6MB in the beginning and 51.0MB in the end (delta: -24.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.59ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 38.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.60ms. Allocated memory is still 88.1MB. Free memory was 38.8MB in the beginning and 41.4MB in the end (delta: -2.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1936.55ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 41.4MB in the beginning and 62.7MB in the end (delta: -21.3MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19270.10ms. Allocated memory was 132.1MB in the beginning and 402.7MB in the end (delta: 270.5MB). Free memory was 62.7MB in the beginning and 131.9MB in the end (delta: -69.3MB). Peak memory consumption was 201.2MB. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 402.7MB. Free memory is still 131.9MB. 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg4={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, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg4={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, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg4={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}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg4={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}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={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, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={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, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 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] [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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 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] [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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, debug=0, id_table={31:0}, ldv_alloc_count=0, ldv_func_arg1={32:0}, ldv_func_arg1={32:0}, ldv_func_arg2={65531:65527}, ldv_func_arg2={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65529:-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={65531:65527}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65529:-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={65531:65527}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, intf={65529:-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={65531:65527}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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)=65525, \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={65531:65527}, debug=0, flags=65525, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65531:65527}, 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={65531:65527}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65526:0}, 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={65531:65527}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65526:0}, 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={65531:65527}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65531:65527}, data={-18446744073709551617:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=250, intf={65529:-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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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={44:0}, ldvarg1={0:0}, ldvarg2=-4, ldvarg3={0:0}, ldvarg4={43:0}, 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={65531:65527}, 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={65531:65527}, 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={65531:65527}, 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: 19.0s, OverallIterations: 13, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8344 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8097 mSDsluCounter, 31827 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23462 mSDsCounter, 3000 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5871 IncrementalHoareTripleChecker+Invalid, 8871 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3000 mSolverCounterUnsat, 8365 mSDtfsCounter, 5871 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, 1.0s 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: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 3124 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1904 NumberOfCodeBlocks, 1904 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1873 ConstructedInterpolants, 0 QuantifiedInterpolants, 3554 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 [2022-07-21 11:36:46,040 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 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-?-3598765 [2022-07-21 11:36:48,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:36:48,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:36:48,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:36:48,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:36:48,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:36:48,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:36:48,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:36:48,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:36:48,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:36:48,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:36:48,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:36:48,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:36:48,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:36:48,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:36:48,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:36:48,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:36:48,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:36:48,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:36:48,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:36:48,109 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:36:48,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:36:48,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:36:48,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:36:48,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:36:48,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:36:48,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:36:48,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:36:48,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:36:48,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:36:48,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:36:48,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:36:48,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:36:48,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:36:48,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:36:48,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:36:48,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:36:48,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:36:48,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:36:48,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:36:48,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:36:48,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:36:48,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:36:48,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:36:48,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:36:48,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:36:48,179 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:36:48,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:36:48,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:36:48,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:36:48,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:36:48,181 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:36:48,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:36:48,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:36:48,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:36:48,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:36:48,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:36:48,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:36:48,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:36:48,196 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:36:48,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:36:48,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:36:48,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:36:48,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:36:48,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:36:48,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:36:48,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:36:48,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:36:48,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:36:48,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:36:48,198 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:36:48,198 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:36:48,199 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:36:48,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:36:48,199 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:36:48,199 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:36:48,200 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a07fe1a25f7f87a80e2b435a79d4715298ae698f37888069e22026322224ef [2022-07-21 11:36:48,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:36:48,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:36:48,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:36:48,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:36:48,596 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:36:48,597 INFO L432 ainManager$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 [2022-07-21 11:36:48,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58567d6b6/244a0858499943cfb32930c93dd6189a/FLAG21c93b384 [2022-07-21 11:36:49,361 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:36:49,362 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 [2022-07-21 11:36:49,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58567d6b6/244a0858499943cfb32930c93dd6189a/FLAG21c93b384 [2022-07-21 11:36:49,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58567d6b6/244a0858499943cfb32930c93dd6189a [2022-07-21 11:36:49,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:36:49,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:36:49,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:36:49,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:36:49,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:36:49,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:49" (1/1) ... [2022-07-21 11:36:49,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc5fa00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:49, skipping insertion in model container [2022-07-21 11:36:49,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:36:49" (1/1) ... [2022-07-21 11:36:49,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:36:49,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:36:50,165 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] [2022-07-21 11:36:50,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:36:50,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:36:50,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:36:50,600 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] [2022-07-21 11:36:50,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:36:50,729 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:36:50,825 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] [2022-07-21 11:36:50,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:36:51,011 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:36:51,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51 WrapperNode [2022-07-21 11:36:51,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:36:51,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:36:51,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:36:51,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:36:51,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,164 INFO L137 Inliner]: procedures = 105, calls = 1014, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 1743 [2022-07-21 11:36:51,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:36:51,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:36:51,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:36:51,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:36:51,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:36:51,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:36:51,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:36:51,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:36:51,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (1/1) ... [2022-07-21 11:36:51,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:36:51,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:36:51,365 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) [2022-07-21 11:36:51,375 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 [2022-07-21 11:36:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:36:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:36:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2022-07-21 11:36:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2022-07-21 11:36:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:36:51,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:36:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2022-07-21 11:36:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2022-07-21 11:36:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 11:36:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 11:36:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-07-21 11:36:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-07-21 11:36:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:36:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2022-07-21 11:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2022-07-21 11:36:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:36:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-07-21 11:36:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-07-21 11:36:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:36:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:36:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2022-07-21 11:36:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2022-07-21 11:36:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:36:51,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:36:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:36:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:36:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:36:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:36:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2022-07-21 11:36:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2022-07-21 11:36:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:36:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 11:36:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 11:36:51,411 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2022-07-21 11:36:51,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2022-07-21 11:36:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:36:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:36:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:36:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:36:51,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:36:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:36:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:36:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:36:51,413 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2022-07-21 11:36:51,413 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2022-07-21 11:36:51,414 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2022-07-21 11:36:51,414 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2022-07-21 11:36:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2022-07-21 11:36:51,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2022-07-21 11:36:51,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:36:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:36:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2022-07-21 11:36:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2022-07-21 11:36:51,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:36:51,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:36:51,840 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:36:51,841 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:36:51,927 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:36:53,813 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:36:53,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:36:53,830 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:36:53,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:53 BoogieIcfgContainer [2022-07-21 11:36:53,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:36:53,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:36:53,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:36:53,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:36:53,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:36:49" (1/3) ... [2022-07-21 11:36:53,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d949cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:53, skipping insertion in model container [2022-07-21 11:36:53,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:36:51" (2/3) ... [2022-07-21 11:36:53,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d949cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:36:53, skipping insertion in model container [2022-07-21 11:36:53,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:53" (3/3) ... [2022-07-21 11:36:53,842 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2022-07-21 11:36:53,857 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:36:53,857 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:36:53,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:36:53,939 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2721bfb0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3348e419 [2022-07-21 11:36:53,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:36:53,947 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) [2022-07-21 11:36:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-21 11:36:53,963 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:53,964 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:53,965 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:53,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:53,971 INFO L85 PathProgramCache]: Analyzing trace with hash 505290590, now seen corresponding path program 1 times [2022-07-21 11:36:53,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:53,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346658819] [2022-07-21 11:36:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:53,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:53,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:53,993 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) [2022-07-21 11:36:53,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:36:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:55,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:36:55,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:55,124 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-21 11:36:55,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:55,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:55,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346658819] [2022-07-21 11:36:55,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346658819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:55,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:55,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:36:55,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693529720] [2022-07-21 11:36:55,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:55,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:55,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:55,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:55,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:36:55,166 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) [2022-07-21 11:36:55,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:55,310 INFO L93 Difference]: Finished difference Result 750 states and 1089 transitions. [2022-07-21 11:36:55,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:36:55,314 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 [2022-07-21 11:36:55,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:55,325 INFO L225 Difference]: With dead ends: 750 [2022-07-21 11:36:55,325 INFO L226 Difference]: Without dead ends: 365 [2022-07-21 11:36:55,332 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:55,334 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:36:55,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1599 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:36:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-07-21 11:36:55,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2022-07-21 11:36:55,393 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) [2022-07-21 11:36:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 522 transitions. [2022-07-21 11:36:55,400 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 522 transitions. Word has length 48 [2022-07-21 11:36:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:55,401 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 522 transitions. [2022-07-21 11:36:55,402 INFO L496 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) [2022-07-21 11:36:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 522 transitions. [2022-07-21 11:36:55,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-21 11:36:55,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:55,410 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:55,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:55,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:55,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:55,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:55,624 INFO L85 PathProgramCache]: Analyzing trace with hash 920442038, now seen corresponding path program 1 times [2022-07-21 11:36:55,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:55,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682096298] [2022-07-21 11:36:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:55,628 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:55,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:55,632 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) [2022-07-21 11:36:55,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:36:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:56,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:36:56,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-21 11:36:56,754 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:36:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-07-21 11:36:56,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:56,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682096298] [2022-07-21 11:36:56,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682096298] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:36:56,880 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:36:56,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-07-21 11:36:56,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339622870] [2022-07-21 11:36:56,881 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:36:56,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:36:56,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:56,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:36:56,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:36:56,883 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) [2022-07-21 11:36:57,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:57,053 INFO L93 Difference]: Finished difference Result 727 states and 1042 transitions. [2022-07-21 11:36:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:36:57,054 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 [2022-07-21 11:36:57,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:57,057 INFO L225 Difference]: With dead ends: 727 [2022-07-21 11:36:57,058 INFO L226 Difference]: Without dead ends: 368 [2022-07-21 11:36:57,059 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:57,060 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 9 mSDsluCounter, 2069 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-07-21 11:36:57,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 2588 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:36:57,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2022-07-21 11:36:57,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2022-07-21 11:36:57,097 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) [2022-07-21 11:36:57,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 525 transitions. [2022-07-21 11:36:57,101 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 525 transitions. Word has length 50 [2022-07-21 11:36:57,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:57,102 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 525 transitions. [2022-07-21 11:36:57,102 INFO L496 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) [2022-07-21 11:36:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 525 transitions. [2022-07-21 11:36:57,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-21 11:36:57,107 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:57,107 INFO L195 NwaCegarLoop]: trace histogram [8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:57,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:57,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:57,328 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:57,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:57,328 INFO L85 PathProgramCache]: Analyzing trace with hash -865894562, now seen corresponding path program 2 times [2022-07-21 11:36:57,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:57,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804747146] [2022-07-21 11:36:57,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:36:57,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:57,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:57,340 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) [2022-07-21 11:36:57,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:36:58,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:36:58,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:36:58,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 1859 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:36:58,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:36:58,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:58,386 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:58,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804747146] [2022-07-21 11:36:58,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804747146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:58,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:58,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:36:58,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137715252] [2022-07-21 11:36:58,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:58,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:36:58,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:58,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:36:58,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:58,389 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) [2022-07-21 11:36:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:58,427 INFO L93 Difference]: Finished difference Result 705 states and 1015 transitions. [2022-07-21 11:36:58,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:36:58,427 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 [2022-07-21 11:36:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:58,436 INFO L225 Difference]: With dead ends: 705 [2022-07-21 11:36:58,437 INFO L226 Difference]: Without dead ends: 696 [2022-07-21 11:36:58,437 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:36:58,439 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:36:58,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1091 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:36:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-07-21 11:36:58,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 679. [2022-07-21 11:36:58,489 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) [2022-07-21 11:36:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 976 transitions. [2022-07-21 11:36:58,492 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 976 transitions. Word has length 56 [2022-07-21 11:36:58,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:58,493 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 976 transitions. [2022-07-21 11:36:58,493 INFO L496 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) [2022-07-21 11:36:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 976 transitions. [2022-07-21 11:36:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-07-21 11:36:58,499 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:58,500 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:36:58,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:58,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:58,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:58,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1553042684, now seen corresponding path program 1 times [2022-07-21 11:36:58,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:58,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1276604658] [2022-07-21 11:36:58,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:58,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:58,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:58,708 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) [2022-07-21 11:36:58,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:36:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:00,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 2088 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-07-21 11:37:00,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:00,022 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:00,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1276604658] [2022-07-21 11:37:00,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1276604658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:00,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:00,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:00,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642490638] [2022-07-21 11:37:00,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:00,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:00,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:00,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:00,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:00,024 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) [2022-07-21 11:37:00,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:00,297 INFO L93 Difference]: Finished difference Result 1488 states and 2137 transitions. [2022-07-21 11:37:00,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:00,297 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 [2022-07-21 11:37:00,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:00,302 INFO L225 Difference]: With dead ends: 1488 [2022-07-21 11:37:00,302 INFO L226 Difference]: Without dead ends: 830 [2022-07-21 11:37:00,304 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:00,305 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:37:00,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 945 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:37:00,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2022-07-21 11:37:00,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 824. [2022-07-21 11:37:00,330 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) [2022-07-21 11:37:00,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1180 transitions. [2022-07-21 11:37:00,334 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1180 transitions. Word has length 80 [2022-07-21 11:37:00,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:00,334 INFO L495 AbstractCegarLoop]: Abstraction has 824 states and 1180 transitions. [2022-07-21 11:37:00,334 INFO L496 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) [2022-07-21 11:37:00,335 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1180 transitions. [2022-07-21 11:37:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-07-21 11:37:00,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:00,338 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:00,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-21 11:37:00,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:00,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:00,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:00,548 INFO L85 PathProgramCache]: Analyzing trace with hash -130895929, now seen corresponding path program 1 times [2022-07-21 11:37:00,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:00,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [719823712] [2022-07-21 11:37:00,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:00,553 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) [2022-07-21 11:37:00,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:37:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:01,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:37:01,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-07-21 11:37:01,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:01,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:01,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [719823712] [2022-07-21 11:37:01,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [719823712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:01,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:01,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:37:01,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356995459] [2022-07-21 11:37:01,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:37:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:37:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:37:01,848 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) [2022-07-21 11:37:02,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:02,058 INFO L93 Difference]: Finished difference Result 2423 states and 3471 transitions. [2022-07-21 11:37:02,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:37:02,059 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 [2022-07-21 11:37:02,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:02,067 INFO L225 Difference]: With dead ends: 2423 [2022-07-21 11:37:02,067 INFO L226 Difference]: Without dead ends: 1614 [2022-07-21 11:37:02,070 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:02,070 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:37:02,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 2508 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:37:02,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2022-07-21 11:37:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1493. [2022-07-21 11:37:02,121 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) [2022-07-21 11:37:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2152 transitions. [2022-07-21 11:37:02,128 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2152 transitions. Word has length 111 [2022-07-21 11:37:02,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:02,130 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 2152 transitions. [2022-07-21 11:37:02,130 INFO L496 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) [2022-07-21 11:37:02,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2152 transitions. [2022-07-21 11:37:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:37:02,140 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:02,141 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:02,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-21 11:37:02,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:02,356 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:02,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:02,356 INFO L85 PathProgramCache]: Analyzing trace with hash 47512075, now seen corresponding path program 1 times [2022-07-21 11:37:02,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:02,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415858925] [2022-07-21 11:37:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:02,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:02,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:02,360 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) [2022-07-21 11:37:02,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:37:03,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:03,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:03,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:37:03,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:03,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:03,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415858925] [2022-07-21 11:37:03,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415858925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:03,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:03,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:37:03,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768495366] [2022-07-21 11:37:03,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:03,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:03,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:03,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:03,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:03,857 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) [2022-07-21 11:37:03,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:03,912 INFO L93 Difference]: Finished difference Result 2965 states and 4278 transitions. [2022-07-21 11:37:03,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:03,912 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 [2022-07-21 11:37:03,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:03,920 INFO L225 Difference]: With dead ends: 2965 [2022-07-21 11:37:03,920 INFO L226 Difference]: Without dead ends: 1493 [2022-07-21 11:37:03,923 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:03,924 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:37:03,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 505 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:37:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1493 states. [2022-07-21 11:37:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1493 to 1493. [2022-07-21 11:37:03,993 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) [2022-07-21 11:37:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 2120 transitions. [2022-07-21 11:37:03,999 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 2120 transitions. Word has length 122 [2022-07-21 11:37:03,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:03,999 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 2120 transitions. [2022-07-21 11:37:04,000 INFO L496 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) [2022-07-21 11:37:04,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2120 transitions. [2022-07-21 11:37:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:37:04,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:04,003 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:04,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:04,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:04,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:04,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:04,220 INFO L85 PathProgramCache]: Analyzing trace with hash 2135315343, now seen corresponding path program 1 times [2022-07-21 11:37:04,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:04,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402834157] [2022-07-21 11:37:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:04,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:04,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:04,224 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) [2022-07-21 11:37:04,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:37:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:05,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 2226 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-21 11:37:05,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:37:05,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:05,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:05,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402834157] [2022-07-21 11:37:05,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402834157] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:05,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:05,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:37:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692715241] [2022-07-21 11:37:05,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:05,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:37:05,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:37:05,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:37:05,622 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) [2022-07-21 11:37:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:06,166 INFO L93 Difference]: Finished difference Result 3412 states and 5030 transitions. [2022-07-21 11:37:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:37:06,167 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 [2022-07-21 11:37:06,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:06,183 INFO L225 Difference]: With dead ends: 3412 [2022-07-21 11:37:06,184 INFO L226 Difference]: Without dead ends: 2671 [2022-07-21 11:37:06,188 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:06,189 INFO L413 NwaCegarLoop]: 821 mSDtfsCounter, 1585 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-21 11:37:06,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 3557 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:37:06,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2022-07-21 11:37:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 1513. [2022-07-21 11:37:06,301 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) [2022-07-21 11:37:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2140 transitions. [2022-07-21 11:37:06,309 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2140 transitions. Word has length 122 [2022-07-21 11:37:06,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:06,310 INFO L495 AbstractCegarLoop]: Abstraction has 1513 states and 2140 transitions. [2022-07-21 11:37:06,310 INFO L496 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) [2022-07-21 11:37:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2140 transitions. [2022-07-21 11:37:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-21 11:37:06,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:06,314 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:06,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:06,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:06,536 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash -81936154, now seen corresponding path program 1 times [2022-07-21 11:37:06,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:06,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996639217] [2022-07-21 11:37:06,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:06,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:06,540 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) [2022-07-21 11:37:06,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:37:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:07,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:07,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:07,821 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-07-21 11:37:07,821 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:07,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:07,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996639217] [2022-07-21 11:37:07,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996639217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:07,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:07,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:07,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230727870] [2022-07-21 11:37:07,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:07,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:07,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:07,824 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) [2022-07-21 11:37:08,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:08,204 INFO L93 Difference]: Finished difference Result 3490 states and 4996 transitions. [2022-07-21 11:37:08,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:08,205 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 [2022-07-21 11:37:08,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:08,214 INFO L225 Difference]: With dead ends: 3490 [2022-07-21 11:37:08,214 INFO L226 Difference]: Without dead ends: 1998 [2022-07-21 11:37:08,218 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:08,219 INFO L413 NwaCegarLoop]: 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 [2022-07-21 11:37:08,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 840 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:37:08,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2022-07-21 11:37:08,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1944. [2022-07-21 11:37:08,322 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) [2022-07-21 11:37:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1944 states and 2706 transitions. [2022-07-21 11:37:08,332 INFO L78 Accepts]: Start accepts. Automaton has 1944 states and 2706 transitions. Word has length 129 [2022-07-21 11:37:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:08,332 INFO L495 AbstractCegarLoop]: Abstraction has 1944 states and 2706 transitions. [2022-07-21 11:37:08,333 INFO L496 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) [2022-07-21 11:37:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2706 transitions. [2022-07-21 11:37:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 11:37:08,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:08,337 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:08,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:08,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:08,564 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1347562269, now seen corresponding path program 1 times [2022-07-21 11:37:08,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:08,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259746448] [2022-07-21 11:37:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:08,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:08,568 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) [2022-07-21 11:37:08,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 11:37:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:10,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 26 conjunts are in the unsatisfiable core [2022-07-21 11:37:10,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:37:10,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:10,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:10,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259746448] [2022-07-21 11:37:10,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259746448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:10,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:10,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 11:37:10,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143048383] [2022-07-21 11:37:10,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:10,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 11:37:10,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:10,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 11:37:10,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:37:10,219 INFO L87 Difference]: Start difference. First operand 1944 states and 2706 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 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) [2022-07-21 11:37:11,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:11,386 INFO L93 Difference]: Finished difference Result 4639 states and 6580 transitions. [2022-07-21 11:37:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:37:11,386 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 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 128 [2022-07-21 11:37:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:11,401 INFO L225 Difference]: With dead ends: 4639 [2022-07-21 11:37:11,401 INFO L226 Difference]: Without dead ends: 2716 [2022-07-21 11:37:11,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2022-07-21 11:37:11,409 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 2843 mSDsluCounter, 6336 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 7265 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:11,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 7265 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 11:37:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-07-21 11:37:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1938. [2022-07-21 11:37:11,549 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) [2022-07-21 11:37:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2696 transitions. [2022-07-21 11:37:11,557 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2696 transitions. Word has length 128 [2022-07-21 11:37:11,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:11,557 INFO L495 AbstractCegarLoop]: Abstraction has 1938 states and 2696 transitions. [2022-07-21 11:37:11,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 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) [2022-07-21 11:37:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2696 transitions. [2022-07-21 11:37:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-21 11:37:11,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:11,562 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:11,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:11,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:11,775 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:11,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash 870197329, now seen corresponding path program 1 times [2022-07-21 11:37:11,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:11,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078805331] [2022-07-21 11:37:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:11,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:11,781 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) [2022-07-21 11:37:11,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 11:37:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:13,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 2278 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:37:13,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-07-21 11:37:13,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:13,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:13,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078805331] [2022-07-21 11:37:13,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078805331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:13,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:13,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:37:13,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351970876] [2022-07-21 11:37:13,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:13,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:37:13,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:13,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:37:13,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:37:13,362 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) [2022-07-21 11:37:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:13,976 INFO L93 Difference]: Finished difference Result 6009 states and 8508 transitions. [2022-07-21 11:37:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:37:13,977 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 [2022-07-21 11:37:13,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:13,996 INFO L225 Difference]: With dead ends: 6009 [2022-07-21 11:37:13,996 INFO L226 Difference]: Without dead ends: 4092 [2022-07-21 11:37:14,001 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:14,002 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 755 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 3011 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:14,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [812 Valid, 3011 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:37:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4092 states. [2022-07-21 11:37:14,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4092 to 1954. [2022-07-21 11:37:14,150 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) [2022-07-21 11:37:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2712 transitions. [2022-07-21 11:37:14,157 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2712 transitions. Word has length 136 [2022-07-21 11:37:14,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:14,157 INFO L495 AbstractCegarLoop]: Abstraction has 1954 states and 2712 transitions. [2022-07-21 11:37:14,158 INFO L496 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) [2022-07-21 11:37:14,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2712 transitions. [2022-07-21 11:37:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-21 11:37:14,162 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:14,162 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:14,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:14,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:14,384 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:14,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:14,384 INFO L85 PathProgramCache]: Analyzing trace with hash -150871025, now seen corresponding path program 1 times [2022-07-21 11:37:14,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:14,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834800900] [2022-07-21 11:37:14,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:14,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:14,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:14,389 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) [2022-07-21 11:37:14,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 11:37:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:37:15,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 2276 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:37:15,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:37:15,874 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-21 11:37:15,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:37:15,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:37:15,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834800900] [2022-07-21 11:37:15,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834800900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:37:15,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:37:15,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:37:15,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098515762] [2022-07-21 11:37:15,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:37:15,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:37:15,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:37:15,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:37:15,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:37:15,877 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) [2022-07-21 11:37:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:37:16,101 INFO L93 Difference]: Finished difference Result 2995 states and 4177 transitions. [2022-07-21 11:37:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:37:16,101 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 [2022-07-21 11:37:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:37:16,106 INFO L225 Difference]: With dead ends: 2995 [2022-07-21 11:37:16,106 INFO L226 Difference]: Without dead ends: 1019 [2022-07-21 11:37:16,111 INFO L412 NwaCegarLoop]: 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 [2022-07-21 11:37:16,111 INFO L413 NwaCegarLoop]: 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, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:37:16,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 701 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:37:16,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2022-07-21 11:37:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1007. [2022-07-21 11:37:16,163 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) [2022-07-21 11:37:16,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1401 transitions. [2022-07-21 11:37:16,167 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1401 transitions. Word has length 136 [2022-07-21 11:37:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:37:16,167 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1401 transitions. [2022-07-21 11:37:16,168 INFO L496 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) [2022-07-21 11:37:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1401 transitions. [2022-07-21 11:37:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-21 11:37:16,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:37:16,171 INFO L195 NwaCegarLoop]: 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] [2022-07-21 11:37:16,221 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:16,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:16,387 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:37:16,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:37:16,387 INFO L85 PathProgramCache]: Analyzing trace with hash 867034365, now seen corresponding path program 1 times [2022-07-21 11:37:16,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:37:16,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405266375] [2022-07-21 11:37:16,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:37:16,391 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:37:16,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:37:16,393 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) [2022-07-21 11:37:16,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 11:37:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:37:22,878 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:37:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:37:31,760 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-21 11:37:31,760 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:37:31,761 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:37:31,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 11:37:31,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:37:31,982 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:37:31,985 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:37:32,030 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-21 11:37:32,032 WARN L418 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-07-21 11:37:32,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:37:32 BoogieIcfgContainer [2022-07-21 11:37:32,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:37:32,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:37:32,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:37:32,215 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:37:32,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:36:53" (3/4) ... [2022-07-21 11:37:32,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:37:32,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:37:32,219 INFO L158 Benchmark]: Toolchain (without parser) took 42579.13ms. Allocated memory was 56.6MB in the beginning and 285.2MB in the end (delta: 228.6MB). Free memory was 29.2MB in the beginning and 99.1MB in the end (delta: -69.9MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,219 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:37:32,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.72ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 28.9MB in the beginning and 46.8MB in the end (delta: -17.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.33ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 34.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,220 INFO L158 Benchmark]: Boogie Preprocessor took 163.02ms. Allocated memory is still 88.1MB. Free memory was 34.6MB in the beginning and 38.8MB in the end (delta: -4.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,221 INFO L158 Benchmark]: RCFGBuilder took 2504.49ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 38.8MB in the beginning and 87.1MB in the end (delta: -48.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,221 INFO L158 Benchmark]: TraceAbstraction took 38378.76ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 86.1MB in the beginning and 99.1MB in the end (delta: -13.1MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. [2022-07-21 11:37:32,221 INFO L158 Benchmark]: Witness Printer took 3.28ms. Allocated memory is still 285.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:37:32,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.72ms. Allocated memory was 56.6MB in the beginning and 88.1MB in the end (delta: 31.5MB). Free memory was 28.9MB in the beginning and 46.8MB in the end (delta: -17.9MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.33ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 34.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.02ms. Allocated memory is still 88.1MB. Free memory was 34.6MB in the beginning and 38.8MB in the end (delta: -4.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2504.49ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 38.8MB in the beginning and 87.1MB in the end (delta: -48.4MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * TraceAbstraction took 38378.76ms. Allocated memory was 157.3MB in the beginning and 285.2MB in the end (delta: 127.9MB). Free memory was 86.1MB in the beginning and 99.1MB in the end (delta: -13.1MB). Peak memory consumption was 113.8MB. Max. memory is 16.1GB. * Witness Printer took 3.28ms. Allocated memory is still 285.2MB. Free memory is still 99.1MB. 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. 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={-9223372036854775731:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={-9223372036854775731:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, ldvarg5={0:0}, memset((void *)(& ldvarg4), 0, 4UL)={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={0:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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=0, intf={0:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, 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={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, 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={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, lock={-9223372036854775792:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, 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={0:0}, tmp={-9223372036854775792:0}, 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={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, 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={0:0}, tmp={-9223372036854775792:0}, usb_counter=0] [L3797] COND TRUE (serial->interface)->num_altsetting > 2U [L3883] COND FALSE !(retval != -19) VAL [__key={-9223372036854775714:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, 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={-9223372036854775792:0}, 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={-9223372036854775792:0}, debug=0, id={0:0}, id={0:0}, id_table={31:0}, ifnum=0, intf={0:0}, 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={-9223372036854775792:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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={-9223372036854775731:0}, ldvarg1={0:0}, ldvarg2=9, ldvarg3={0:0}, ldvarg4={-9223372036854775788:0}, 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: 38.1s, OverallIterations: 12, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7513 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7456 mSDsluCounter, 24610 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17005 mSDsCounter, 951 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 587 IncrementalHoareTripleChecker+Invalid, 1538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 951 mSolverCounterUnsat, 7605 mSDtfsCounter, 587 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1179 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1954occurred in iteration=10, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 4284 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 17.0s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1256 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1156 ConstructedInterpolants, 0 QuantifiedInterpolants, 1859 SizeOfPredicates, 44 NumberOfNonLiveVariables, 23452 ConjunctsInSsa, 66 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 [2022-07-21 11:37:32,275 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