/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:04:07,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:04:07,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:04:07,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:04:07,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:04:07,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:04:07,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:04:07,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:04:07,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:04:07,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:04:07,316 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:04:07,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:04:07,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:04:07,319 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:04:07,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:04:07,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:04:07,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:04:07,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:04:07,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:04:07,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:04:07,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:04:07,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:04:07,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:04:07,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:04:07,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:04:07,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:04:07,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:04:07,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:04:07,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:04:07,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:04:07,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:04:07,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:04:07,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:04:07,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:04:07,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:04:07,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:04:07,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:04:07,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:04:07,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:04:07,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:04:07,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:04:07,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 05:04:07,403 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:04:07,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:04:07,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:04:07,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:04:07,409 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:04:07,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:04:07,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:04:07,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:04:07,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:04:07,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:04:07,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:04:07,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:04:07,413 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:04:07,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:04:07,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:04:07,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:04:07,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:04:07,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:04:07,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:07,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:04:07,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:04:07,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:04:07,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:04:07,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:04:07,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:04:07,416 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:04:07,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 05:04:07,417 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 05:04:07,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:04:07,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:04:07,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:04:07,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:04:07,932 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:04:07,934 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 05:04:08,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/926eff443/2810a1c8223a4b58ab91603699f3cecf/FLAG44faced12 [2020-09-25 05:04:08,982 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:04:08,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 05:04:09,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/926eff443/2810a1c8223a4b58ab91603699f3cecf/FLAG44faced12 [2020-09-25 05:04:09,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/926eff443/2810a1c8223a4b58ab91603699f3cecf [2020-09-25 05:04:09,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:04:09,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:04:09,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:09,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:04:09,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:04:09,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:09" (1/1) ... [2020-09-25 05:04:09,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9798512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:09, skipping insertion in model container [2020-09-25 05:04:09,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:09" (1/1) ... [2020-09-25 05:04:09,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:04:09,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:04:11,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:11,603 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:04:12,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:12,288 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:04:12,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12 WrapperNode [2020-09-25 05:04:12,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:12,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:04:12,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:04:12,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:04:12,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... [2020-09-25 05:04:12,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:04:12,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:04:12,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:04:12,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:04:12,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:04:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:04:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 05:04:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 05:04:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 05:04:12,987 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 05:04:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 05:04:12,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 05:04:12,990 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 05:04:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 05:04:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 05:04:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 05:04:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 05:04:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 05:04:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 05:04:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 05:04:12,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 05:04:12,998 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 05:04:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 05:04:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 05:04:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 05:04:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 05:04:13,000 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 05:04:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 05:04:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 05:04:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 05:04:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 05:04:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 05:04:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 05:04:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 05:04:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 05:04:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 05:04:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:04:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 05:04:13,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 05:04:13,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 05:04:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 05:04:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 05:04:13,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 05:04:13,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 05:04:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 05:04:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 05:04:13,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 05:04:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 05:04:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 05:04:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 05:04:13,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 05:04:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 05:04:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 05:04:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 05:04:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 05:04:13,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 05:04:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 05:04:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 05:04:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 05:04:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 05:04:13,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 05:04:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 05:04:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 05:04:13,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 05:04:13,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 05:04:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 05:04:13,016 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 05:04:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:04:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 05:04:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 05:04:13,017 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 05:04:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 05:04:13,018 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 05:04:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 05:04:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 05:04:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 05:04:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 05:04:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 05:04:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 05:04:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 05:04:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 05:04:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 05:04:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 05:04:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 05:04:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:04:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 05:04:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 05:04:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 05:04:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 05:04:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 05:04:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 05:04:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 05:04:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 05:04:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 05:04:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 05:04:13,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 05:04:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 05:04:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 05:04:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 05:04:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 05:04:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 05:04:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:04:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 05:04:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 05:04:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 05:04:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 05:04:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 05:04:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 05:04:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 05:04:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 05:04:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 05:04:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 05:04:13,039 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 05:04:13,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:04:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 05:04:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 05:04:13,047 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 05:04:13,048 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 05:04:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 05:04:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 05:04:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 05:04:13,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 05:04:13,050 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 05:04:13,051 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 05:04:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 05:04:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:04:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 05:04:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 05:04:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 05:04:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:04:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 05:04:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 05:04:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:04:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 05:04:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 05:04:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 05:04:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 05:04:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 05:04:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 05:04:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 05:04:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 05:04:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 05:04:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 05:04:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 05:04:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 05:04:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:04:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:04:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:04:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:04:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 05:04:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:04:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:04:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:04:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:04:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 05:04:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 05:04:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 05:04:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 05:04:17,912 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:04:17,912 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:04:17,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:17 BoogieIcfgContainer [2020-09-25 05:04:17,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:04:17,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:04:17,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:04:17,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:04:17,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:04:09" (1/3) ... [2020-09-25 05:04:17,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c059ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:17, skipping insertion in model container [2020-09-25 05:04:17,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:12" (2/3) ... [2020-09-25 05:04:17,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c059ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:17, skipping insertion in model container [2020-09-25 05:04:17,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:17" (3/3) ... [2020-09-25 05:04:17,938 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 05:04:17,950 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:04:17,962 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:04:17,981 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:04:18,020 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:04:18,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:04:18,020 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:04:18,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:04:18,021 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:04:18,021 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:04:18,021 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:04:18,021 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:04:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 05:04:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 05:04:18,095 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:18,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:04:18,097 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:18,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:18,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 05:04:18,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:18,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [124875253] [2020-09-25 05:04:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:20,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:21,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:21,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 05:04:21,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:21,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2815 [2020-09-25 05:04:21,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:21,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:21,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 05:04:21,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 05:04:21,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:04:23,117 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 05:04:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:23,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:23,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 05:04:23,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:23,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-09-25 05:04:23,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:23,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:23,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:23,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:23,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 05:04:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:24,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:24,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:24,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:24,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 05:04:24,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:24,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:04:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:24,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 05:04:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:24,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:24,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:04:24,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:24,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-09-25 05:04:24,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:24,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:24,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:24,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 05:04:24,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:24,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:24,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:24,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:04:24,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:24,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-09-25 05:04:24,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:24,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:24,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:24,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:24,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 05:04:24,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:24,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:04:24,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [124875253] [2020-09-25 05:04:24,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:24,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:04:24,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22317226] [2020-09-25 05:04:24,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:04:24,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:24,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:04:24,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:04:24,999 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 05:04:26,883 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 05:04:30,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:30,833 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 05:04:30,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 05:04:30,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 05:04:30,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:30,870 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 05:04:30,871 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 05:04:30,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:04:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 05:04:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 05:04:31,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 05:04:31,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 05:04:31,099 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 05:04:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:31,100 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 05:04:31,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:04:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 05:04:31,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 05:04:31,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:31,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:04:31,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:04:31,107 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:31,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:31,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 05:04:31,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:31,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365109624] [2020-09-25 05:04:31,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:31,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:32,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:33,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:33,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 05:04:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1735 [2020-09-25 05:04:33,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:33,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 05:04:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 05:04:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:34,014 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 05:04:34,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:34,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:34,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:34,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 05:04:34,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-09-25 05:04:34,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:34,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:34,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 05:04:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:34,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:34,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-25 05:04:34,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:34,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:04:34,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 05:04:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:34,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:04:35,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-25 05:04:35,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 05:04:35,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:35,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:04:35,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 05:04:35,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:35,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:35,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 05:04:35,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:35,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:04:35,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365109624] [2020-09-25 05:04:35,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:35,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:04:35,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902207068] [2020-09-25 05:04:35,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:04:35,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:35,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:04:35,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:04:35,572 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 05:04:37,236 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 05:04:40,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:40,972 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 05:04:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:04:40,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 05:04:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:40,981 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 05:04:40,981 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 05:04:40,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:04:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 05:04:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 05:04:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 05:04:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 05:04:41,095 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 05:04:41,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:41,096 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 05:04:41,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:04:41,096 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 05:04:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 05:04:41,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:41,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:04:41,100 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:04:41,100 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:41,101 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 05:04:41,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:41,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295603723] [2020-09-25 05:04:41,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:42,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:42,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 05:04:42,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1583 [2020-09-25 05:04:42,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:42,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 05:04:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 05:04:42,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:43,849 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 05:04:43,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:43,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:44,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:44,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:44,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:04:44,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 05:04:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:44,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:44,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:44,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-09-25 05:04:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:44,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:44,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:44,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:04:44,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 05:04:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:44,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:44,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 05:04:44,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 05:04:44,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:44,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 05:04:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:45,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 05:04:45,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 05:04:45,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:45,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:45,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:45,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:45,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:45,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 05:04:45,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:45,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:45,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:04:45,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295603723] [2020-09-25 05:04:45,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:45,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 05:04:45,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854542424] [2020-09-25 05:04:45,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:04:45,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:45,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:04:45,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:04:45,434 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 05:04:47,135 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 05:04:50,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:50,822 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 05:04:50,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:04:50,822 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 05:04:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:50,824 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 05:04:50,824 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:04:50,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:04:50,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:04:50,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:04:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:04:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:04:50,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 05:04:50,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:50,833 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:04:50,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:04:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:04:50,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:04:50,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:04:50,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:04:51,359 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:51,844 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:52,304 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:52,747 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:53,186 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:53,652 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:54,080 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:54,508 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:54,937 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:55,364 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:55,793 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 05:04:56,266 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 05:04:56,678 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 05:04:57,087 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 05:04:57,491 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 05:04:57,903 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19