/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=SHALLOWEST --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 00:33:33,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:33:33,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:33:33,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:33:33,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:33:33,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:33:33,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:33:33,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:33:33,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:33:33,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:33:33,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:33:33,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:33:33,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:33:33,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:33:33,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:33:33,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:33:33,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:33:33,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:33:33,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:33:33,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:33:33,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:33:33,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:33:33,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:33:33,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:33:33,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:33:33,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:33:33,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:33:33,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:33:33,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:33:33,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:33:33,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:33:33,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:33:33,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:33:33,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:33:33,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:33:33,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:33:33,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:33:33,336 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:33:33,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:33:33,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:33:33,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:33:33,341 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 00:33:33,387 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:33:33,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:33:33,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:33:33,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:33:33,390 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:33:33,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:33:33,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:33:33,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:33:33,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:33:33,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:33:33,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:33:33,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:33:33,393 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:33:33,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:33:33,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:33:33,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:33:33,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:33:33,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:33:33,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:33:33,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:33:33,395 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:33:33,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:33:33,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:33:33,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:33:33,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:33:33,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:33:33,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 00:33:33,396 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-25 00:33:33,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:33:33,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:33:33,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:33:33,910 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:33:33,910 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:33:33,912 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 00:33:34,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2f26b4cb/5cb86f6d5ac643328d14ad456c95edd0/FLAGc7e8bdc9e [2020-09-25 00:33:34,947 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:33:34,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 00:33:35,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2f26b4cb/5cb86f6d5ac643328d14ad456c95edd0/FLAGc7e8bdc9e [2020-09-25 00:33:35,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d2f26b4cb/5cb86f6d5ac643328d14ad456c95edd0 [2020-09-25 00:33:35,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:33:35,406 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:33:35,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:33:35,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:33:35,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:33:35,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:33:35" (1/1) ... [2020-09-25 00:33:35,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b499636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:35, skipping insertion in model container [2020-09-25 00:33:35,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:33:35" (1/1) ... [2020-09-25 00:33:35,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:33:35,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:33:37,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:33:37,365 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:33:37,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:33:38,151 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:33:38,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38 WrapperNode [2020-09-25 00:33:38,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:33:38,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:33:38,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:33:38,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:33:38,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (1/1) ... [2020-09-25 00:33:38,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:33:38,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:33:38,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:33:38,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:33:38,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (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 00:33:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:33:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:33:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 00:33:38,830 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 00:33:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 00:33:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 00:33:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 00:33:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 00:33:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 00:33:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 00:33:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 00:33:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 00:33:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 00:33:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 00:33:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 00:33:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 00:33:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 00:33:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 00:33:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 00:33:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 00:33:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 00:33:38,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:33:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 00:33:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 00:33:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 00:33:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 00:33:38,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 00:33:38,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 00:33:38,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 00:33:38,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 00:33:38,843 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 00:33:38,844 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 00:33:38,845 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 00:33:38,846 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 00:33:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 00:33:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 00:33:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 00:33:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 00:33:38,847 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 00:33:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 00:33:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 00:33:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 00:33:38,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 00:33:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 00:33:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 00:33:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 00:33:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 00:33:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 00:33:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:33:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 00:33:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 00:33:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 00:33:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 00:33:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 00:33:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:33:38,857 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 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 00:33:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 00:33:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 00:33:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 00:33:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:33:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 00:33:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 00:33:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 00:33:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:33:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 00:33:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:33:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 00:33:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 00:33:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 00:33:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 00:33:43,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:33:43,365 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 00:33:43,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:33:43 BoogieIcfgContainer [2020-09-25 00:33:43,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:33:43,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:33:43,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:33:43,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:33:43,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:33:35" (1/3) ... [2020-09-25 00:33:43,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4662ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:33:43, skipping insertion in model container [2020-09-25 00:33:43,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:33:38" (2/3) ... [2020-09-25 00:33:43,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a4662ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:33:43, skipping insertion in model container [2020-09-25 00:33:43,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:33:43" (3/3) ... [2020-09-25 00:33:43,394 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 00:33:43,407 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:33:43,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:33:43,446 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:33:43,492 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:33:43,492 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:33:43,492 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:33:43,493 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:33:43,493 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:33:43,493 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:33:43,493 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:33:43,493 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:33:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 00:33:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 00:33:43,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:33:43,588 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 00:33:43,589 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:33:43,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:33:43,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 00:33:43,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:33:43,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [935897281] [2020-09-25 00:33:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:33:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:46,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 00:33:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:33:46,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2617 [2020-09-25 00:33:46,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:33:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 00:33:46,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 00:33:46,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:33:48,091 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 00:33:48,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:33:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:48,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:48,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:48,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 00:33:48,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 555 [2020-09-25 00:33:48,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:33:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:33:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 00:33:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:49,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:49,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:49,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:33:49,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:49,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 00:33:49,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:33:49,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:49,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 00:33:49,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 00:33:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:49,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:49,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:33:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-25 00:33:49,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:33:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:49,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:33:49,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:49,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:33:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:49,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:49,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:33:49,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-09-25 00:33:49,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:33:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:33:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:33:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:49,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:49,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:49,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:33:49,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 00:33:50,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:33:50,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:33:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:50,120 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 00:33:50,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [935897281] [2020-09-25 00:33:50,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:33:50,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:33:50,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466854596] [2020-09-25 00:33:50,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:33:50,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:33:50,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:33:50,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:33:50,157 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 00:33:51,995 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 00:33:55,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:33:55,934 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 00:33:55,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:33:55,936 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 00:33:55,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:33:55,963 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 00:33:55,963 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 00:33:55,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:33:55,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 00:33:56,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 00:33:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 00:33:56,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 00:33:56,180 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 00:33:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:33:56,182 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 00:33:56,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:33:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 00:33:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 00:33:56,187 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:33:56,187 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 00:33:56,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:33:56,188 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:33:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:33:56,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 00:33:56,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:33:56,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968536981] [2020-09-25 00:33:56,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:33:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:57,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:58,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:58,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 00:33:58,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:33:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1673 [2020-09-25 00:33:58,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:33:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 00:33:58,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 00:33:58,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:33:59,038 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 00:33:59,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:33:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:59,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:59,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:59,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 00:33:59,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:59,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-09-25 00:33:59,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:33:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:59,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:33:59,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:33:59,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 00:33:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:33:59,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:33:59,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:33:59,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:33:59,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-09-25 00:33:59,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:33:59,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:33:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:33:59,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:33:59,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:33:59,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 00:33:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:33:59,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:00,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:00,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:34:00,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:00,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-25 00:34:00,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:34:00,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:00,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:00,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:00,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:34:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 00:34:00,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:34:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:00,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:00,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:34:00,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:00,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-25 00:34:00,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:00,488 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 00:34:00,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968536981] [2020-09-25 00:34:00,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:00,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:34:00,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898894921] [2020-09-25 00:34:00,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:34:00,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:00,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:34:00,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:34:00,494 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 00:34:02,056 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 00:34:05,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:34:05,752 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 00:34:05,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:34:05,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 00:34:05,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:34:05,761 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 00:34:05,761 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 00:34:05,764 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 00:34:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 00:34:05,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 00:34:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 00:34:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 00:34:05,873 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 00:34:05,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:34:05,874 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 00:34:05,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:34:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 00:34:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 00:34:05,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:34:05,877 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 00:34:05,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:34:05,878 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:34:05,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:34:05,878 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 00:34:05,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:34:05,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1008568447] [2020-09-25 00:34:05,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:34:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:06,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:06,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1513 [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:07,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 00:34:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:08,621 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 00:34:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:09,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:09,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 00:34:09,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:09,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-09-25 00:34:09,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:09,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:09,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:09,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:34:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 00:34:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:09,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:09,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:09,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:34:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:09,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 00:34:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:09,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:34:09,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-25 00:34:09,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:34:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 00:34:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:10,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:34:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:10,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:10,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 00:34:10,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:10,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 00:34:10,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:10,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:10,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:34:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:34:10,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:34:10,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:34:10,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:34:10,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:34:10,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 00:34:10,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:34:10,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:34:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:34:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:34:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:34:10,344 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 00:34:10,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1008568447] [2020-09-25 00:34:10,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:34:10,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:34:10,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4967151] [2020-09-25 00:34:10,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:34:10,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:34:10,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:34:10,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:34:10,349 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 00:34:11,895 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 00:34:15,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:34:15,456 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 00:34:15,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:34:15,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 00:34:15,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:34:15,459 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 00:34:15,459 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 00:34:15,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:34:15,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 00:34:15,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 00:34:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 00:34:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 00:34:15,466 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 00:34:15,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:34:15,467 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 00:34:15,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:34:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 00:34:15,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 00:34:15,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:34:15,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 00:34:16,001 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:16,467 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:16,922 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:17,365 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:17,799 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:18,229 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:18,661 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:19,091 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:19,552 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:19,979 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:20,410 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:20,829 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 00:34:21,245 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 00:34:21,662 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 00:34:22,064 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 00:34:22,469 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 00:34:22,904 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:23,332 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:23,770 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:24,198 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:24,625 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:25,050 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:25,478 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:25,905 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:26,332 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 00:34:26,762 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320