./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.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 2753d752216607180728226381b5a5c2bb1273cd3c02dbf53b55cd0db95c4306 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:25:11,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:25:11,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:25:11,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:25:11,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:25:11,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:25:11,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:25:11,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:25:11,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:25:11,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:25:11,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:25:11,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:25:11,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:25:11,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:25:11,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:25:11,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:25:11,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:25:11,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:25:11,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:25:11,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:25:11,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:25:11,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:25:11,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:25:11,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:25:11,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:25:11,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:25:11,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:25:11,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:25:11,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:25:11,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:25:11,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:25:11,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:25:11,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:25:11,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:25:11,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:25:11,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:25:11,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:25:11,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:25:11,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:25:11,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:25:11,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:25:11,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:25:11,113 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:25:11,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:25:11,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:25:11,115 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:25:11,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:25:11,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:25:11,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:25:11,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:25:11,118 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:25:11,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:25:11,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:25:11,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:25:11,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:25:11,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:25:11,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:25:11,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:25:11,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:25:11,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:25:11,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:25:11,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:25:11,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:25:11,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:25:11,122 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:25:11,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:25:11,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:25:11,122 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2753d752216607180728226381b5a5c2bb1273cd3c02dbf53b55cd0db95c4306 [2021-12-28 04:25:11,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:25:11,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:25:11,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:25:11,427 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:25:11,428 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:25:11,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2021-12-28 04:25:11,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3603516/eeb7e89351ee45a49f503c107fbcd987/FLAG1bcaf85ff [2021-12-28 04:25:12,102 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:25:12,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2021-12-28 04:25:12,137 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3603516/eeb7e89351ee45a49f503c107fbcd987/FLAG1bcaf85ff [2021-12-28 04:25:12,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3603516/eeb7e89351ee45a49f503c107fbcd987 [2021-12-28 04:25:12,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:25:12,463 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:25:12,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:25:12,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:25:12,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:25:12,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:25:12" (1/1) ... [2021-12-28 04:25:12,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2124ea7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:12, skipping insertion in model container [2021-12-28 04:25:12,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:25:12" (1/1) ... [2021-12-28 04:25:12,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:25:12,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:25:14,125 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2021-12-28 04:25:14,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:25:14,333 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:25:14,606 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i[277173,277186] [2021-12-28 04:25:14,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:25:14,700 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:25:14,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14 WrapperNode [2021-12-28 04:25:14,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:25:14,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:25:14,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:25:14,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:25:14,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:14,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:14,923 INFO L137 Inliner]: procedures = 384, calls = 3030, calls flagged for inlining = 180, calls inlined = 148, statements flattened = 6709 [2021-12-28 04:25:14,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:25:14,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:25:14,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:25:14,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:25:14,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:14,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:14,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:14,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:15,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:15,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:15,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:15,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:25:15,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:25:15,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:25:15,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:25:15,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (1/1) ... [2021-12-28 04:25:15,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:25:15,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:25:15,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:25:15,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:25:15,249 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-28 04:25:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-28 04:25:15,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-28 04:25:15,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-28 04:25:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:25:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:25:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-28 04:25:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-28 04:25:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_kick_command_queue [2021-12-28 04:25:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_kick_command_queue [2021-12-28 04:25:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:25:15,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:25:15,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:25:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:25:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_flush_input_fifo [2021-12-28 04:25:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_flush_input_fifo [2021-12-28 04:25:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:25:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:25:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-28 04:25:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-28 04:25:15,252 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_config [2021-12-28 04:25:15,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_config [2021-12-28 04:25:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-28 04:25:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-28 04:25:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-28 04:25:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-28 04:25:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-28 04:25:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-28 04:25:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2021-12-28 04:25:15,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_u132_lock_of_usb_ftdi [2021-12-28 04:25:15,253 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:25:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:25:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-28 04:25:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-28 04:25:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:25:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:25:15,254 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-28 04:25:15,254 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-28 04:25:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:25:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:25:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 04:25:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 04:25:15,255 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_status_work [2021-12-28 04:25:15,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_status_work [2021-12-28 04:25:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_cancel_work [2021-12-28 04:25:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_cancel_work [2021-12-28 04:25:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:25:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:25:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:25:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-28 04:25:15,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-28 04:25:15,256 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-12-28 04:25:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-12-28 04:25:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_get_kref [2021-12-28 04:25:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_get_kref [2021-12-28 04:25:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:25:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-28 04:25:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-28 04:25:15,257 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-28 04:25:15,257 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2021-12-28 04:25:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2021-12-28 04:25:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_cancel_work [2021-12-28 04:25:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_cancel_work [2021-12-28 04:25:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ftdi_module_lock [2021-12-28 04:25:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ftdi_module_lock [2021-12-28 04:25:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:25:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-28 04:25:15,258 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-28 04:25:15,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:25:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_cancel_work [2021-12-28 04:25:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_cancel_work [2021-12-28 04:25:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-12-28 04:25:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-12-28 04:25:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:25:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:25:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:25:15,259 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:25:15,259 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_do_callback [2021-12-28 04:25:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_do_callback [2021-12-28 04:25:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_requeue_work [2021-12-28 04:25:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_requeue_work [2021-12-28 04:25:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-28 04:25:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-28 04:25:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:25:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:25:15,260 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-28 04:25:15,260 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-28 04:25:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-28 04:25:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-28 04:25:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_found_controller [2021-12-28 04:25:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_found_controller [2021-12-28 04:25:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_setup_controller [2021-12-28 04:25:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_setup_controller [2021-12-28 04:25:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_gone_away [2021-12-28 04:25:15,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_gone_away [2021-12-28 04:25:15,261 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_config [2021-12-28 04:25:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_config [2021-12-28 04:25:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_respond_work [2021-12-28 04:25:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_respond_work [2021-12-28 04:25:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:25:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_status_requeue_work [2021-12-28 04:25:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_status_requeue_work [2021-12-28 04:25:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-12-28 04:25:15,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-12-28 04:25:15,262 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-28 04:25:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-28 04:25:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:25:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-12-28 04:25:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-12-28 04:25:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_reg [2021-12-28 04:25:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_reg [2021-12-28 04:25:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_disconnect [2021-12-28 04:25:15,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_disconnect [2021-12-28 04:25:15,263 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_respond_queue_work [2021-12-28 04:25:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_respond_queue_work [2021-12-28 04:25:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write [2021-12-28 04:25:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write [2021-12-28 04:25:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:25:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:25:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_completions [2021-12-28 04:25:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_completions [2021-12-28 04:25:15,264 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-28 04:25:15,264 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-28 04:25:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:25:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-28 04:25:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-28 04:25:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:25:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:25:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_89 [2021-12-28 04:25:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_89 [2021-12-28 04:25:15,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_88 [2021-12-28 04:25:15,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_88 [2021-12-28 04:25:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_87 [2021-12-28 04:25:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_87 [2021-12-28 04:25:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_command_work [2021-12-28 04:25:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_command_work [2021-12-28 04:25:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-28 04:25:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-28 04:25:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_put_kref [2021-12-28 04:25:15,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_put_kref [2021-12-28 04:25:15,266 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_abandon_targets [2021-12-28 04:25:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_abandon_targets [2021-12-28 04:25:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:25:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_pcimem [2021-12-28 04:25:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_pcimem [2021-12-28 04:25:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-28 04:25:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-28 04:25:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-28 04:25:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-28 04:25:15,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2021-12-28 04:25:15,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_u132_lock_of_usb_ftdi [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-28 04:25:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_response_requeue_work [2021-12-28 04:25:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_response_requeue_work [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:25:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:25:15,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-28 04:25:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-28 04:25:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_command_queue_work [2021-12-28 04:25:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_command_queue_work [2021-12-28 04:25:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-28 04:25:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-28 04:25:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_read_pcimem [2021-12-28 04:25:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_read_pcimem [2021-12-28 04:25:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-28 04:25:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-28 04:25:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 04:25:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 04:25:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:25:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:25:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:25:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:25:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:25:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:25:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure ftdi_elan_write_reg [2021-12-28 04:25:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ftdi_elan_write_reg [2021-12-28 04:25:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ftdi_module_lock [2021-12-28 04:25:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ftdi_module_lock [2021-12-28 04:25:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-28 04:25:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-28 04:25:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:25:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:25:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:25:15,939 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:25:15,942 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:25:16,609 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:25:26,933 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:25:26,955 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:25:26,955 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:25:26,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:25:26 BoogieIcfgContainer [2021-12-28 04:25:26,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:25:26,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:25:26,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:25:26,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:25:26,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:25:12" (1/3) ... [2021-12-28 04:25:26,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35065b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:25:26, skipping insertion in model container [2021-12-28 04:25:26,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:25:14" (2/3) ... [2021-12-28 04:25:26,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e35065b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:25:26, skipping insertion in model container [2021-12-28 04:25:26,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:25:26" (3/3) ... [2021-12-28 04:25:26,967 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--misc--ftdi-elan.ko-entry_point.cil.out.i [2021-12-28 04:25:26,972 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:25:26,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:25:27,020 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:25:27,027 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:25:27,028 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:25:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 1674 states, 1126 states have (on average 1.3996447602131439) internal successors, (1576), 1179 states have internal predecessors, (1576), 461 states have call successors, (461), 86 states have call predecessors, (461), 85 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2021-12-28 04:25:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-28 04:25:27,095 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:25:27,096 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:25:27,096 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:25:27,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:25:27,101 INFO L85 PathProgramCache]: Analyzing trace with hash 841016865, now seen corresponding path program 1 times [2021-12-28 04:25:27,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:25:27,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008342406] [2021-12-28 04:25:27,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:25:27,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:25:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:25:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:25:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:25:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:25:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:25:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:25:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:25:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 04:25:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:25:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:27,722 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-28 04:25:27,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:25:27,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008342406] [2021-12-28 04:25:27,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008342406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:25:27,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:25:27,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:25:27,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980388421] [2021-12-28 04:25:27,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:25:27,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:25:27,732 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:25:27,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:25:27,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:25:27,759 INFO L87 Difference]: Start difference. First operand has 1674 states, 1126 states have (on average 1.3996447602131439) internal successors, (1576), 1179 states have internal predecessors, (1576), 461 states have call successors, (461), 86 states have call predecessors, (461), 85 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:25:36,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:25:38,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:25:40,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:25:49,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:25:49,176 INFO L93 Difference]: Finished difference Result 3652 states and 5878 transitions. [2021-12-28 04:25:49,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-28 04:25:49,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 135 [2021-12-28 04:25:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:25:49,213 INFO L225 Difference]: With dead ends: 3652 [2021-12-28 04:25:49,214 INFO L226 Difference]: Without dead ends: 1969 [2021-12-28 04:25:49,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:25:49,237 INFO L933 BasicCegarLoop]: 2345 mSDtfsCounter, 914 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 2362 mSolverCounterSat, 1239 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 5337 SdHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1239 IncrementalHoareTripleChecker+Valid, 2362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:25:49,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [952 Valid, 5337 Invalid, 3603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1239 Valid, 2362 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2021-12-28 04:25:49,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-12-28 04:25:49,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1660. [2021-12-28 04:25:49,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1121 states have (on average 1.392506690454951) internal successors, (1561), 1165 states have internal predecessors, (1561), 454 states have call successors, (454), 85 states have call predecessors, (454), 84 states have return successors, (445), 436 states have call predecessors, (445), 445 states have call successors, (445) [2021-12-28 04:25:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2460 transitions. [2021-12-28 04:25:49,455 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2460 transitions. Word has length 135 [2021-12-28 04:25:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:25:49,455 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 2460 transitions. [2021-12-28 04:25:49,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:25:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2460 transitions. [2021-12-28 04:25:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-28 04:25:49,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:25:49,464 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:25:49,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:25:49,464 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:25:49,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:25:49,465 INFO L85 PathProgramCache]: Analyzing trace with hash -2089123881, now seen corresponding path program 1 times [2021-12-28 04:25:49,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:25:49,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639150566] [2021-12-28 04:25:49,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:25:49,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:25:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:25:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:25:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:25:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:25:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:25:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:25:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:25:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:25:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:25:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 04:25:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:25:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:25:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-28 04:25:49,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:25:49,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639150566] [2021-12-28 04:25:49,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639150566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:25:49,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:25:49,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:25:49,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022110878] [2021-12-28 04:25:49,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:25:49,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:25:49,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:25:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:25:49,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:25:49,920 INFO L87 Difference]: Start difference. First operand 1660 states and 2460 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:25:56,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:25:58,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:08,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:09,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:26:13,440 INFO L93 Difference]: Finished difference Result 2033 states and 3176 transitions. [2021-12-28 04:26:13,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:26:13,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 135 [2021-12-28 04:26:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:26:13,456 INFO L225 Difference]: With dead ends: 2033 [2021-12-28 04:26:13,457 INFO L226 Difference]: Without dead ends: 2028 [2021-12-28 04:26:13,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-28 04:26:13,459 INFO L933 BasicCegarLoop]: 2335 mSDtfsCounter, 3069 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 2540 mSolverCounterSat, 1712 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3211 SdHoareTripleChecker+Valid, 5401 SdHoareTripleChecker+Invalid, 4254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1712 IncrementalHoareTripleChecker+Valid, 2540 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-12-28 04:26:13,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3211 Valid, 5401 Invalid, 4254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1712 Valid, 2540 Invalid, 2 Unknown, 0 Unchecked, 23.2s Time] [2021-12-28 04:26:13,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2028 states. [2021-12-28 04:26:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2028 to 1717. [2021-12-28 04:26:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1717 states, 1162 states have (on average 1.3881239242685026) internal successors, (1613), 1206 states have internal predecessors, (1613), 461 states have call successors, (461), 94 states have call predecessors, (461), 93 states have return successors, (454), 445 states have call predecessors, (454), 454 states have call successors, (454) [2021-12-28 04:26:13,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2528 transitions. [2021-12-28 04:26:13,529 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2528 transitions. Word has length 135 [2021-12-28 04:26:13,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:26:13,531 INFO L470 AbstractCegarLoop]: Abstraction has 1717 states and 2528 transitions. [2021-12-28 04:26:13,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-28 04:26:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2528 transitions. [2021-12-28 04:26:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-28 04:26:13,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:26:13,538 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:26:13,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:26:13,538 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:26:13,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:26:13,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1454982344, now seen corresponding path program 1 times [2021-12-28 04:26:13,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:26:13,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998056293] [2021-12-28 04:26:13,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:26:13,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:26:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:26:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-28 04:26:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:26:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:26:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-28 04:26:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 04:26:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:26:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:26:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-28 04:26:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:26:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 04:26:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:26:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:26:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-28 04:26:13,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:26:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998056293] [2021-12-28 04:26:13,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998056293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:26:13,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:26:13,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:26:13,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368216278] [2021-12-28 04:26:13,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:26:13,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:26:13,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:26:13,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:26:13,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:26:13,900 INFO L87 Difference]: Start difference. First operand 1717 states and 2528 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (15), 6 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:26:15,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:26:17,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []